From fa876fc6603469e0dc7f3989af1a71f60a0b1023 Mon Sep 17 00:00:00 2001
From: WPT Sync Bot <josh+wptsync@joshmatthews.net>
Date: Tue, 17 Mar 2020 08:19:58 +0000
Subject: [PATCH] Update web-platform-tests to revision
 74e1fe40eb227423537d6eafa99244ece1a8f8fd

---
 tests/wpt/metadata/MANIFEST.json              | 640 +++++++++++++++++-
 ....html.ini => hit-test-floats-004.html.ini} |   2 +-
 .../transform-scale-hittest.html.ini          |   3 +
 ...on-from-ua-to-blocking-stylesheet.html.ini |   2 +-
 .../css/cssom-view/CaretPosition-001.html.ini |   4 +
 .../cssom-view/elementFromPoint-001.html.ini  |   4 +
 .../cssom-view/elementFromPosition.html.ini   |   3 -
 .../elementsFromPoint-iframes.html.ini        |   3 +
 .../elementsFromPoint-invalid-cases.html.ini  |   4 -
 .../offsetTopLeft-border-box.html.ini         |   7 -
 .../fetch/content-type/response.window.js.ini |   9 +-
 .../fetch/content-type/script.window.js.ini   |   3 -
 .../nosniff/parsing-nosniff.window.js.ini     |   6 +
 ...ml.ini => traverse_the_history_3.html.ini} |   2 +-
 .../traverse_the_history_4.html.ini           |   4 +
 .../supported-elements.html.ini               |  12 +-
 .../audiobuffersource-multi-channels.html.ini |   3 +
 .../sub-sample-buffer-stitching.html.ini      |   3 +
 ...ached-execution-context.tentative.html.ini |   8 +
 ...ached-execution-context.tentative.html.ini |   4 +
 .../webmessaging/with-ports/017.html.ini      |   5 +
 .../webmessaging/without-ports/018.html.ini   |   5 +
 .../security-features/tools/generate.py       |  10 +-
 .../css-cascade/all-prop-inherit-color.html   |  24 +
 .../css-cascade/all-prop-initial-color.html   |  24 +
 .../css-cascade/all-prop-revert-color.html    |  24 +
 .../css/css-cascade/all-prop-unset-color.html |  24 +
 .../css-cascade/reference/ref-green-text.html |   9 +
 .../css/css-color/lab-001.html                |   2 +-
 .../css/css-color/lab-002.html                |   2 +-
 .../css/css-color/lab-003.html                |   2 +-
 .../css/css-color/lab-004.html                |   2 +-
 .../css/css-color/lab-005.html                |   2 +-
 .../css/css-color/lab-006.html                |   2 +-
 .../css/css-color/lab-007.html                |   2 +-
 .../css/css-color/lch-001.html                |   2 +-
 .../css/css-color/lch-002.html                |   2 +-
 .../css/css-color/lch-003.html                |   2 +-
 .../css/css-color/lch-004.html                |   2 +-
 .../css/css-color/lch-005.html                |   2 +-
 .../css/css-color/lch-006.html                |   2 +-
 .../css/css-color/lch-007.html                |   2 +-
 .../event-dispatch.tentative.html             |   2 +-
 .../abs-pos-with-replaced-child.html          |  11 +
 .../docs/running-tests/from-local-system.md   |   4 +-
 .../popup-coop-by-sw-from-coop.https.html     |  39 ++
 ...up-coop-by-sw-from-coop.https.html.headers |   2 +
 .../popup-coop-by-sw.https.html               |  39 ++
 .../resources/popup-coop-by-sw.js             | 104 +++
 .../resources/universal-worker.js             |   2 +
 .../fetch/cross-http.keep-scheme.https.html   |  39 ++
 .../cross-http.keep-scheme.https.html.headers |   1 +
 .../fetch/cross-http.no-redirect.https.html   |  39 ++
 .../cross-http.no-redirect.https.html.headers |   1 +
 .../fetch/cross-http.swap-scheme.https.html   |  39 ++
 .../cross-http.swap-scheme.https.html.headers |   1 +
 .../fetch/same-http.keep-scheme.https.html    |  39 ++
 .../same-http.keep-scheme.https.html.headers  |   1 +
 .../fetch/same-http.no-redirect.https.html    |  39 ++
 .../same-http.no-redirect.https.html.headers  |   1 +
 .../fetch/same-http.swap-scheme.https.html    |  39 ++
 .../same-http.swap-scheme.https.html.headers  |   1 +
 .../fetch/same-https.keep-scheme.https.html   |  39 ++
 .../same-https.keep-scheme.https.html.headers |   1 +
 .../fetch/same-https.no-redirect.https.html   |  39 ++
 .../same-https.no-redirect.https.html.headers |   1 +
 .../websocket/cross-ws.no-redirect.https.html |  39 ++
 .../cross-ws.no-redirect.https.html.headers   |   1 +
 .../websocket/same-ws.no-redirect.https.html  |  39 ++
 .../same-ws.no-redirect.https.html.headers    |   1 +
 .../websocket/same-wss.no-redirect.https.html |  39 ++
 .../same-wss.no-redirect.https.html.headers   |   1 +
 .../xhr/cross-http.keep-scheme.https.html     |  39 ++
 .../cross-http.keep-scheme.https.html.headers |   1 +
 .../xhr/cross-http.no-redirect.https.html     |  39 ++
 .../cross-http.no-redirect.https.html.headers |   1 +
 .../xhr/cross-http.swap-scheme.https.html     |  39 ++
 .../cross-http.swap-scheme.https.html.headers |   1 +
 .../xhr/same-http.keep-scheme.https.html      |  39 ++
 .../same-http.keep-scheme.https.html.headers  |   1 +
 .../xhr/same-http.no-redirect.https.html      |  39 ++
 .../same-http.no-redirect.https.html.headers  |   1 +
 .../xhr/same-http.swap-scheme.https.html      |  39 ++
 .../same-http.swap-scheme.https.html.headers  |   1 +
 .../xhr/same-https.keep-scheme.https.html     |  39 ++
 .../same-https.keep-scheme.https.html.headers |   1 +
 .../xhr/same-https.no-redirect.https.html     |  39 ++
 .../same-https.no-redirect.https.html.headers |   1 +
 .../fetch/cross-http.keep-scheme.https.html   |  39 ++
 .../cross-http.keep-scheme.https.html.headers |   1 +
 .../fetch/cross-http.no-redirect.https.html   |  39 ++
 .../cross-http.no-redirect.https.html.headers |   1 +
 .../fetch/cross-http.swap-scheme.https.html   |  39 ++
 .../cross-http.swap-scheme.https.html.headers |   1 +
 .../fetch/same-http.keep-scheme.https.html    |  39 ++
 .../same-http.keep-scheme.https.html.headers  |   1 +
 .../fetch/same-http.no-redirect.https.html    |  39 ++
 .../same-http.no-redirect.https.html.headers  |   1 +
 .../fetch/same-http.swap-scheme.https.html    |  39 ++
 .../same-http.swap-scheme.https.html.headers  |   1 +
 .../fetch/same-https.keep-scheme.https.html   |  39 ++
 .../same-https.keep-scheme.https.html.headers |   1 +
 .../fetch/same-https.no-redirect.https.html   |  39 ++
 .../same-https.no-redirect.https.html.headers |   1 +
 .../websocket/cross-ws.no-redirect.https.html |  39 ++
 .../cross-ws.no-redirect.https.html.headers   |   1 +
 .../websocket/same-ws.no-redirect.https.html  |  39 ++
 .../same-ws.no-redirect.https.html.headers    |   1 +
 .../websocket/same-wss.no-redirect.https.html |  39 ++
 .../same-wss.no-redirect.https.html.headers   |   1 +
 .../xhr/cross-http.keep-scheme.https.html     |  39 ++
 .../cross-http.keep-scheme.https.html.headers |   1 +
 .../xhr/cross-http.no-redirect.https.html     |  39 ++
 .../cross-http.no-redirect.https.html.headers |   1 +
 .../xhr/cross-http.swap-scheme.https.html     |  39 ++
 .../cross-http.swap-scheme.https.html.headers |   1 +
 .../xhr/same-http.keep-scheme.https.html      |  39 ++
 .../same-http.keep-scheme.https.html.headers  |   1 +
 .../xhr/same-http.no-redirect.https.html      |  39 ++
 .../same-http.no-redirect.https.html.headers  |   1 +
 .../xhr/same-http.swap-scheme.https.html      |  39 ++
 .../same-http.swap-scheme.https.html.headers  |   1 +
 .../xhr/same-https.keep-scheme.https.html     |  39 ++
 .../same-https.keep-scheme.https.html.headers |   1 +
 .../xhr/same-https.no-redirect.https.html     |  39 ++
 .../same-https.no-redirect.https.html.headers |   1 +
 .../mixed-content/spec.src.json               |  15 +-
 .../referrer-policy/4K+1/spec.src.json        |  12 +
 .../referrer-policy/4K-1/spec.src.json        |  12 +
 .../referrer-policy/4K/spec.src.json          |  12 +
 .../referrer-policy/generic/test-case.sub.js  |  36 +-
 .../test/tests/functional/api-tests-1.html    |   2 +-
 .../scroll-animations/constructor.html        |  28 -
 .../current-time-writing-modes.html           |  26 +-
 .../scroll-animations/current-time.html       | 283 +++-----
 .../slots-imperative-slot-api.tentative.html  |  12 +-
 ...-detached-execution-context.tentative.html |  34 +
 ...-detached-execution-context.tentative.html |  38 ++
 .../webrtc/RTCRtpSender.https.html            |  20 +
 .../embedded_style_media_queries-ref.html     |  14 +
 ...edded_style_media_queries_resized-ref.html |  14 +
 .../resources/new-shared-worker-window.html   |   3 +-
 .../modules/shared-worker-import-csp.html     |  12 +-
 .../shared-worker-import-referrer.html        |  16 +-
 .../worklets/resources/referrer-tests.js      | 216 +++---
 145 files changed, 2974 insertions(+), 433 deletions(-)
 rename tests/wpt/metadata/css/CSS2/floats/{hit-test-floats-003.html.ini => hit-test-floats-004.html.ini} (67%)
 create mode 100644 tests/wpt/metadata/css/cssom-view/CaretPosition-001.html.ini
 create mode 100644 tests/wpt/metadata/css/cssom-view/elementFromPoint-001.html.ini
 delete mode 100644 tests/wpt/metadata/css/cssom-view/elementsFromPoint-invalid-cases.html.ini
 delete mode 100644 tests/wpt/metadata/css/cssom-view/offsetTopLeft-border-box.html.ini
 rename tests/wpt/metadata/html/browsers/history/the-history-interface/{traverse_the_history_2.html.ini => traverse_the_history_3.html.ini} (71%)
 create mode 100644 tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini
 create mode 100644 tests/wpt/metadata/webaudio/the-audio-api/the-audiocontext-interface/audiocontext-detached-execution-context.tentative.html.ini
 create mode 100644 tests/wpt/metadata/webaudio/the-audio-api/the-offlineaudiocontext-interface/offlineaudiocontext-detached-execution-context.tentative.html.ini
 create mode 100644 tests/wpt/metadata/webmessaging/with-ports/017.html.ini
 create mode 100644 tests/wpt/metadata/webmessaging/without-ports/018.html.ini
 create mode 100644 tests/wpt/web-platform-tests/css/css-cascade/all-prop-inherit-color.html
 create mode 100644 tests/wpt/web-platform-tests/css/css-cascade/all-prop-initial-color.html
 create mode 100644 tests/wpt/web-platform-tests/css/css-cascade/all-prop-revert-color.html
 create mode 100644 tests/wpt/web-platform-tests/css/css-cascade/all-prop-unset-color.html
 create mode 100644 tests/wpt/web-platform-tests/css/css-cascade/reference/ref-green-text.html
 create mode 100644 tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-with-replaced-child.html
 create mode 100644 tests/wpt/web-platform-tests/html/cross-origin-opener-policy/popup-coop-by-sw-from-coop.https.html
 create mode 100644 tests/wpt/web-platform-tests/html/cross-origin-opener-policy/popup-coop-by-sw-from-coop.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/html/cross-origin-opener-policy/popup-coop-by-sw.https.html
 create mode 100644 tests/wpt/web-platform-tests/html/cross-origin-opener-policy/resources/popup-coop-by-sw.js
 create mode 100644 tests/wpt/web-platform-tests/html/cross-origin-opener-policy/resources/universal-worker.js
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/cross-http.keep-scheme.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/cross-http.keep-scheme.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/cross-http.no-redirect.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/cross-http.no-redirect.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/cross-http.swap-scheme.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/cross-http.swap-scheme.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-http.keep-scheme.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-http.keep-scheme.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-http.no-redirect.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-http.no-redirect.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-http.swap-scheme.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-http.swap-scheme.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-https.keep-scheme.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-https.keep-scheme.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-https.no-redirect.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-https.no-redirect.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/websocket/cross-ws.no-redirect.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/websocket/cross-ws.no-redirect.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/websocket/same-ws.no-redirect.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/websocket/same-ws.no-redirect.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/websocket/same-wss.no-redirect.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/websocket/same-wss.no-redirect.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/cross-http.keep-scheme.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/cross-http.keep-scheme.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/cross-http.no-redirect.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/cross-http.no-redirect.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/cross-http.swap-scheme.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/cross-http.swap-scheme.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-http.keep-scheme.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-http.keep-scheme.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-http.no-redirect.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-http.no-redirect.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-http.swap-scheme.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-http.swap-scheme.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-https.keep-scheme.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-https.keep-scheme.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-https.no-redirect.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-https.no-redirect.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/cross-http.keep-scheme.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/cross-http.keep-scheme.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/cross-http.no-redirect.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/cross-http.no-redirect.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/cross-http.swap-scheme.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/cross-http.swap-scheme.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-http.keep-scheme.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-http.keep-scheme.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-http.no-redirect.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-http.no-redirect.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-http.swap-scheme.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-http.swap-scheme.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-https.keep-scheme.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-https.keep-scheme.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-https.no-redirect.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-https.no-redirect.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/websocket/cross-ws.no-redirect.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/websocket/cross-ws.no-redirect.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/websocket/same-ws.no-redirect.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/websocket/same-ws.no-redirect.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/websocket/same-wss.no-redirect.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/websocket/same-wss.no-redirect.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/cross-http.keep-scheme.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/cross-http.keep-scheme.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/cross-http.no-redirect.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/cross-http.no-redirect.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/cross-http.swap-scheme.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/cross-http.swap-scheme.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-http.keep-scheme.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-http.keep-scheme.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-http.no-redirect.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-http.no-redirect.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-http.swap-scheme.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-http.swap-scheme.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-https.keep-scheme.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-https.keep-scheme.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-https.no-redirect.https.html
 create mode 100644 tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-https.no-redirect.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/webaudio/the-audio-api/the-audiocontext-interface/audiocontext-detached-execution-context.tentative.html
 create mode 100644 tests/wpt/web-platform-tests/webaudio/the-audio-api/the-offlineaudiocontext-interface/offlineaudiocontext-detached-execution-context.tentative.html
 create mode 100644 tests/wpt/web-platform-tests/webrtc/RTCRtpSender.https.html

diff --git a/tests/wpt/metadata/MANIFEST.json b/tests/wpt/metadata/MANIFEST.json
index b3c33e7ff97..8518be41f4e 100644
--- a/tests/wpt/metadata/MANIFEST.json
+++ b/tests/wpt/metadata/MANIFEST.json
@@ -123081,6 +123081,32 @@
        {}
       ]
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+         "093900c96a6910c8c8cfa82fcf74c7624be0d13b",
+         [
+          null,
+          {}
+         ]
+        ],
+        "same-http.keep-scheme.https.html": [
+         "f1496d392a3fb0e0f1f67b5a10f6e69999c20d30",
+         [
+          null,
+          {}
+         ]
+        ],
+        "same-http.no-redirect.https.html": [
+         "667020a75ca73069fc119a5228192588d706e8b1",
+         [
+          null,
+          {}
+         ]
+        ],
+        "same-http.swap-scheme.https.html": [
+         "92535f8243eb8f74c27d6b8e537b6fce63603f1d",
+         [
+          null,
+          {}
+         ]
+        ],
+        "same-https.keep-scheme.https.html": [
+         "341fa52c0e2c76b6118b0b684f9cf8eebc5c8b7f",
+         [
+          null,
+          {}
+         ]
+        ],
+        "same-https.no-redirect.https.html": [
+         "4c20e11de6a8f5cd6327abc2c82c4fc50f096e8b",
+         [
+          null,
+          {}
+         ]
+        ]
+       }
       }
      },
      "sharedworker-module-data.http-rp": {
@@ -454453,6 +454861,147 @@
          ]
         ]
        }
+      },
+      "unset": {
+       "fetch": {
+        "cross-http.keep-scheme.https.html": [
+         "213992846c881d8894de712af30a66e6e08feb35",
+         [
+          null,
+          {}
+         ]
+        ],
+        "cross-http.no-redirect.https.html": [
+         "22502bfbfb64d51d3792f6658d56c383d54cc1da",
+         [
+          null,
+          {}
+         ]
+        ],
+        "cross-http.swap-scheme.https.html": [
+         "0f08bb331a0d2efe3717a4982176e3ac89d69f5b",
+         [
+          null,
+          {}
+         ]
+        ],
+        "same-http.keep-scheme.https.html": [
+         "bb07807b4d061a3a5fb09ccf34f4ec7c7acd24d4",
+         [
+          null,
+          {}
+         ]
+        ],
+        "same-http.no-redirect.https.html": [
+         "ae92b955cfaa57ddb5e4e36fd68a1bbacd5ac20f",
+         [
+          null,
+          {}
+         ]
+        ],
+        "same-http.swap-scheme.https.html": [
+         "20b2f23c3d0db3d4ba7f9f9ac25cfe28e3a9472a",
+         [
+          null,
+          {}
+         ]
+        ],
+        "same-https.keep-scheme.https.html": [
+         "eadfb9b5dd002ca56e92b8ed4af57f2a8f42bc8f",
+         [
+          null,
+          {}
+         ]
+        ],
+        "same-https.no-redirect.https.html": [
+         "e9aa942825ef7428ec8667d30c199b3913e0afd6",
+         [
+          null,
+          {}
+         ]
+        ]
+       },
+       "websocket": {
+        "cross-ws.no-redirect.https.html": [
+         "2d7f4d1b6b4fa0c63f383f4e9a66933d5a2fa491",
+         [
+          null,
+          {}
+         ]
+        ],
+        "same-ws.no-redirect.https.html": [
+         "7829f4e6f8b8837768a36f89d0823eadb5cd44a1",
+         [
+          null,
+          {}
+         ]
+        ],
+        "same-wss.no-redirect.https.html": [
+         "946e02023a201aec258cc4b2e94b52f19184a037",
+         [
+          null,
+          {}
+         ]
+        ]
+       },
+       "xhr": {
+        "cross-http.keep-scheme.https.html": [
+         "06f3eab1728c11331f5e6c27ca0e147d6a03c55f",
+         [
+          null,
+          {}
+         ]
+        ],
+        "cross-http.no-redirect.https.html": [
+         "46390891fecd07e2974ea304252d0441ad8f57b0",
+         [
+          null,
+          {}
+         ]
+        ],
+        "cross-http.swap-scheme.https.html": [
+         "b7100e1ac7921f59d4d4bcf76f35accec0d3ad52",
+         [
+          null,
+          {}
+         ]
+        ],
+        "same-http.keep-scheme.https.html": [
+         "08b9bcfa813c9b9b89954de985f8e3867ba1732e",
+         [
+          null,
+          {}
+         ]
+        ],
+        "same-http.no-redirect.https.html": [
+         "5c070566dde62ba096199825c07b17268656f1da",
+         [
+          null,
+          {}
+         ]
+        ],
+        "same-http.swap-scheme.https.html": [
+         "bf7450d6de69dcaf091f9a532f55f310ab5f9f9d",
+         [
+          null,
+          {}
+         ]
+        ],
+        "same-https.keep-scheme.https.html": [
+         "ef31d39e4e73cd0f9ac020a32e3acf8b92176ea8",
+         [
+          null,
+          {}
+         ]
+        ],
+        "same-https.no-redirect.https.html": [
+         "6be0758ea861caa6fb942f16bc15de83625af353",
+         [
+          null,
+          {}
+         ]
+        ]
+       }
       }
      },
      "top.http-rp": {
@@ -527286,7 +527835,7 @@
      ]
     ],
     "constructor.html": [
-     "336afd504e56c30337ec18a8a014eef3a1cd45f5",
+     "5d13035f6a1f527c2467f5768908e6b27eda6995",
      [
       null,
       {}
@@ -527307,14 +527856,14 @@
      ]
     ],
     "current-time-writing-modes.html": [
-     "b409f097bcb6d120d32227baab9f0f276b927c0c",
+     "243f152ec7128015e8400c4240fdebc0b1971fdf",
      [
       null,
       {}
      ]
     ],
     "current-time.html": [
-     "9db7ec6a6b5c63758b3fb8d291146e1ea42f4db4",
+     "cb710aa089010e3e1f57a4cc39ed59eccb207b0c",
      [
       null,
       {}
@@ -530389,7 +530938,7 @@
      ]
     ],
     "slots-imperative-slot-api.tentative.html": [
-     "5999ec82a384a4dcf67451e8e83f3e59e5138c0b",
+     "56dd71b1156cc3ac146a794e28e3b4b2bd58d143",
      [
       null,
       {}
@@ -552891,6 +553440,13 @@
       ]
      },
      "the-audiocontext-interface": {
+      "audiocontext-detached-execution-context.tentative.html": [
+       "22a98e291ae4b51ec93046d4058a68aa3aff4a12",
+       [
+        null,
+        {}
+       ]
+      ],
       "audiocontext-getoutputtimestamp.html": [
        "952f38b1edceb62ab3f99c25777ebdb2c59e691a",
        [
@@ -553869,6 +554425,13 @@
         null,
         {}
        ]
+      ],
+      "offlineaudiocontext-detached-execution-context.tentative.html": [
+       "ba44829f122d9ad0064b4b793578326c8190ce50",
+       [
+        null,
+        {}
+       ]
       ]
      },
      "the-oscillatornode-interface": {
@@ -556044,6 +556607,13 @@
       }
      ]
     ],
+    "RTCRtpSender.https.html": [
+     "d17115c46af24eba05a812c683d3fc8d2b07d7c6",
+     [
+      null,
+      {}
+     ]
+    ],
     "RTCRtpTransceiver-direction.html": [
      "e76bc1fbb7740f7a575f0acba397284aa5d5db94",
      [
@@ -564406,7 +564976,7 @@
       ]
      ],
      "shared-worker-import-csp.html": [
-      "0197b300e9e345089769b202dbd4bbcc060a0760",
+      "b6d8642886dc1daa1e06ec4f293ceb54a001a3de",
       [
        null,
        {}
@@ -564452,10 +565022,12 @@
       ]
      ],
      "shared-worker-import-referrer.html": [
-      "abd4b41f79e29b4fe66bd0d607084807dc151d7c",
+      "1096fd2ad872288fb3d7c87fbe1df67123a9f7ab",
       [
        null,
-       {}
+       {
+        "timeout": "long"
+       }
       ]
      ],
      "shared-worker-import.any.js": [
diff --git a/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-003.html.ini b/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-004.html.ini
similarity index 67%
rename from tests/wpt/metadata/css/CSS2/floats/hit-test-floats-003.html.ini
rename to tests/wpt/metadata/css/CSS2/floats/hit-test-floats-004.html.ini
index f29da48a2a0..4bfb0c2053a 100644
--- a/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-003.html.ini
+++ b/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-004.html.ini
@@ -1,4 +1,4 @@
-[hit-test-floats-003.html]
+[hit-test-floats-004.html]
   [Miss float below something else]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/css/css-transforms/transform-scale-hittest.html.ini b/tests/wpt/metadata/css/css-transforms/transform-scale-hittest.html.ini
index 4a1e8110f6f..f8e7e539aae 100644
--- a/tests/wpt/metadata/css/css-transforms/transform-scale-hittest.html.ini
+++ b/tests/wpt/metadata/css/css-transforms/transform-scale-hittest.html.ini
@@ -2,3 +2,6 @@
   [Hit test intersecting scaled box]
     expected: FAIL
 
+  [Hit test within unscaled box]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/css/css-transitions/no-transition-from-ua-to-blocking-stylesheet.html.ini b/tests/wpt/metadata/css/css-transitions/no-transition-from-ua-to-blocking-stylesheet.html.ini
index e35a452a186..70a00a101f6 100644
--- a/tests/wpt/metadata/css/css-transitions/no-transition-from-ua-to-blocking-stylesheet.html.ini
+++ b/tests/wpt/metadata/css/css-transitions/no-transition-from-ua-to-blocking-stylesheet.html.ini
@@ -1,2 +1,2 @@
 [no-transition-from-ua-to-blocking-stylesheet.html]
-  expected: TIMEOUT
+  expected: FAIL
diff --git a/tests/wpt/metadata/css/cssom-view/CaretPosition-001.html.ini b/tests/wpt/metadata/css/cssom-view/CaretPosition-001.html.ini
new file mode 100644
index 00000000000..4c79907309b
--- /dev/null
+++ b/tests/wpt/metadata/css/cssom-view/CaretPosition-001.html.ini
@@ -0,0 +1,4 @@
+[CaretPosition-001.html]
+  [Element at (400, 100)]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/css/cssom-view/elementFromPoint-001.html.ini b/tests/wpt/metadata/css/cssom-view/elementFromPoint-001.html.ini
new file mode 100644
index 00000000000..e38782d8c85
--- /dev/null
+++ b/tests/wpt/metadata/css/cssom-view/elementFromPoint-001.html.ini
@@ -0,0 +1,4 @@
+[elementFromPoint-001.html]
+  [CSSOM View - 5 - extensions to the Document interface]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/css/cssom-view/elementFromPosition.html.ini b/tests/wpt/metadata/css/cssom-view/elementFromPosition.html.ini
index 5733d536fd3..85e94926cb3 100644
--- a/tests/wpt/metadata/css/cssom-view/elementFromPosition.html.ini
+++ b/tests/wpt/metadata/css/cssom-view/elementFromPosition.html.ini
@@ -21,6 +21,3 @@
   [test the top of layer]
     expected: FAIL
 
-  [test some point of the element: top left corner]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/css/cssom-view/elementsFromPoint-iframes.html.ini b/tests/wpt/metadata/css/cssom-view/elementsFromPoint-iframes.html.ini
index 171592fc08f..6ef8bb1049f 100644
--- a/tests/wpt/metadata/css/cssom-view/elementsFromPoint-iframes.html.ini
+++ b/tests/wpt/metadata/css/cssom-view/elementsFromPoint-iframes.html.ini
@@ -2,3 +2,6 @@
   [elementsFromPoint on the root document for points in iframe elements]
     expected: FAIL
 
+  [elementsFromPoint on inner documents]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/css/cssom-view/elementsFromPoint-invalid-cases.html.ini b/tests/wpt/metadata/css/cssom-view/elementsFromPoint-invalid-cases.html.ini
deleted file mode 100644
index e181af5397f..00000000000
--- a/tests/wpt/metadata/css/cssom-view/elementsFromPoint-invalid-cases.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[elementsFromPoint-invalid-cases.html]
-  [The root element is the last element returned for otherwise empty queries within the viewport]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/css/cssom-view/offsetTopLeft-border-box.html.ini b/tests/wpt/metadata/css/cssom-view/offsetTopLeft-border-box.html.ini
deleted file mode 100644
index 239c35135e4..00000000000
--- a/tests/wpt/metadata/css/cssom-view/offsetTopLeft-border-box.html.ini
+++ /dev/null
@@ -1,7 +0,0 @@
-[offsetTopLeft-border-box.html]
-  [container: 1]
-    expected: FAIL
-
-  [container: 0]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/fetch/content-type/response.window.js.ini b/tests/wpt/metadata/fetch/content-type/response.window.js.ini
index cd7f0fce96e..ffcc4b56c16 100644
--- a/tests/wpt/metadata/fetch/content-type/response.window.js.ini
+++ b/tests/wpt/metadata/fetch/content-type/response.window.js.ini
@@ -312,12 +312,6 @@
   [fetch(): separate response Content-Type: text/plain ]
     expected: NOTRUN
 
-  [<iframe>: separate response Content-Type: text/html;" text/plain]
-    expected: FAIL
-
-  [<iframe>: separate response Content-Type: text/html */*;charset=gbk]
-    expected: FAIL
-
   [<iframe>: separate response Content-Type: text/html;" \\" text/plain]
     expected: FAIL
 
@@ -330,3 +324,6 @@
   [<iframe>: combined response Content-Type: text/html */*;charset=gbk]
     expected: FAIL
 
+  [<iframe>: combined response Content-Type: text/html;" text/plain]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/fetch/content-type/script.window.js.ini b/tests/wpt/metadata/fetch/content-type/script.window.js.ini
index 5c001592859..d2df9b78483 100644
--- a/tests/wpt/metadata/fetch/content-type/script.window.js.ini
+++ b/tests/wpt/metadata/fetch/content-type/script.window.js.ini
@@ -56,6 +56,3 @@
   [separate text/javascript x/x]
     expected: FAIL
 
-  [separate text/javascript;charset=windows-1252 error text/javascript]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/fetch/nosniff/parsing-nosniff.window.js.ini b/tests/wpt/metadata/fetch/nosniff/parsing-nosniff.window.js.ini
index 30e1b851fd4..cc50d2d2e03 100644
--- a/tests/wpt/metadata/fetch/nosniff/parsing-nosniff.window.js.ini
+++ b/tests/wpt/metadata/fetch/nosniff/parsing-nosniff.window.js.ini
@@ -11,3 +11,9 @@
   [X-Content-Type-Options%3A%20nosniff%2C%2C%40%23%24%23%25%25%26%5E%26%5E*()()11!]
     expected: FAIL
 
+  [X-Content-Type-Options%3A%20%40%23%24%23%25%25%26%5E%26%5E*()()11!%2Cnosniff]
+    expected: FAIL
+
+  [Content-Type-Options%3A%20nosniff]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_2.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_3.html.ini
similarity index 71%
rename from tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_2.html.ini
rename to tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_3.html.ini
index 75d75b4cda2..51f8272a6de 100644
--- a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_2.html.ini
+++ b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_3.html.ini
@@ -1,4 +1,4 @@
-[traverse_the_history_2.html]
+[traverse_the_history_3.html]
   [Multiple history traversals, last would be aborted]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini
new file mode 100644
index 00000000000..385376c7321
--- /dev/null
+++ b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini
@@ -0,0 +1,4 @@
+[traverse_the_history_4.html]
+  [Multiple history traversals, last would be aborted]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/interaction/focus/the-autofocus-attribute/supported-elements.html.ini b/tests/wpt/metadata/html/interaction/focus/the-autofocus-attribute/supported-elements.html.ini
index 8b743f36e1d..6b68e9094e4 100644
--- a/tests/wpt/metadata/html/interaction/focus/the-autofocus-attribute/supported-elements.html.ini
+++ b/tests/wpt/metadata/html/interaction/focus/the-autofocus-attribute/supported-elements.html.ini
@@ -1,20 +1,16 @@
 [supported-elements.html]
-  expected: TIMEOUT
   [Contenteditable element should support autofocus]
     expected: FAIL
 
   [Element with tabindex should support autofocus]
-    expected: TIMEOUT
+    expected: FAIL
 
   [Host element with delegatesFocus including no focusable descendants should be skipped]
-    expected: NOTRUN
+    expected: FAIL
 
   [Area element should support autofocus]
-    expected: NOTRUN
+    expected: FAIL
 
   [Host element with delegatesFocus should support autofocus]
-    expected: NOTRUN
-
-  [Non-HTMLElement should not support autofocus]
-    expected: NOTRUN
+    expected: FAIL
 
diff --git a/tests/wpt/metadata/webaudio/the-audio-api/the-audiobuffersourcenode-interface/audiobuffersource-multi-channels.html.ini b/tests/wpt/metadata/webaudio/the-audio-api/the-audiobuffersourcenode-interface/audiobuffersource-multi-channels.html.ini
index eadbcfc4f80..9cfba44a250 100644
--- a/tests/wpt/metadata/webaudio/the-audio-api/the-audiobuffersourcenode-interface/audiobuffersource-multi-channels.html.ini
+++ b/tests/wpt/metadata/webaudio/the-audio-api/the-audiobuffersourcenode-interface/audiobuffersource-multi-channels.html.ini
@@ -65,3 +65,6 @@
   [X Rendered audio for channel 5 does not equal [0,0.0626220703125,0.125030517578125,0.18695068359375,0.24810791015625,0.308319091796875,0.3673095703125,0.42486572265625,0.480743408203125,0.53472900390625,0.58660888671875,0.636199951171875,0.68328857421875,0.727691650390625,0.76922607421875,0.8077392578125...\] with an element-wise tolerance of {"absoluteThreshold":0.000030517578125,"relativeThreshold":0}.\n\tIndex\tActual\t\t\tExpected\t\tAbsError\t\tRelError\t\tTest threshold\n\t[1\]\t3.6732959747314453e-1\t6.2622070312500000e-2\t3.0470752716064453e-1\t4.8658168859649127e+0\t3.0517578125000000e-5\n\t[2\]\t6.8329977989196777e-1\t1.2503051757812500e-1\t5.5826926231384277e-1\t4.4650639949963384e+0\t3.0517578125000000e-5\n\t[3\]\t9.0373212099075317e-1\t1.8695068359375000e-1\t7.1678143739700317e-1\t3.8340669508039502e+0\t3.0517578125000000e-5\n\t[4\]\t9.9780619144439697e-1\t2.4810791015625000e-1\t7.4969828128814697e-1\t3.0216621502152523e+0\t3.0517578125000000e-5\n\t[5\]\t9.5236867666244507e-1\t3.0831909179687500e-1\t6.4404958486557007e-1\t2.0889059484187866e+0\t3.0517578125000000e-5\n\t...and 44050 more errors.\n\tMax AbsError of 1.9986611604690552e+0 at index of 37130.\n\t[37130\]\t-9.9994289875030518e-1\t9.9871826171875000e-1\t1.9986611604690552e+0\t2.0012262087101997e+0\t3.0517578125000000e-5\n\tMax RelError of Infinity at index of 14112.\n\t[14112\]\t-9.5105654001235962e-1\t0.0000000000000000e+0\t9.5105654001235962e-1\tInfinity\t3.0517578125000000e-5\n]
     expected: FAIL
 
+  [X Rendered audio for channel 5 does not equal [0,0.0626220703125,0.125030517578125,0.18695068359375,0.24810791015625,0.308319091796875,0.3673095703125,0.42486572265625,0.480743408203125,0.53472900390625,0.58660888671875,0.636199951171875,0.68328857421875,0.727691650390625,0.76922607421875,0.8077392578125...\] with an element-wise tolerance of {"absoluteThreshold":0.000030517578125,"relativeThreshold":0}.\n\tIndex\tActual\t\t\tExpected\t\tAbsError\t\tRelError\t\tTest threshold\n\t[1\]\t3.6732959747314453e-1\t6.2622070312500000e-2\t3.0470752716064453e-1\t4.8658168859649127e+0\t3.0517578125000000e-5\n\t[2\]\t6.8329977989196777e-1\t1.2503051757812500e-1\t5.5826926231384277e-1\t4.4650639949963384e+0\t3.0517578125000000e-5\n\t[3\]\t9.0373212099075317e-1\t1.8695068359375000e-1\t7.1678143739700317e-1\t3.8340669508039502e+0\t3.0517578125000000e-5\n\t[4\]\t9.9780619144439697e-1\t2.4810791015625000e-1\t7.4969828128814697e-1\t3.0216621502152523e+0\t3.0517578125000000e-5\n\t[5\]\t9.5236867666244507e-1\t3.0831909179687500e-1\t6.4404958486557007e-1\t2.0889059484187866e+0\t3.0517578125000000e-5\n\t...and 42283 more errors.\n\tMax AbsError of 1.9985451102256775e+0 at index of 36228.\n\t[36228\]\t-9.9997943639755249e-1\t9.9856567382812500e-1\t1.9985451102256775e+0\t2.0014157932787811e+0\t3.0517578125000000e-5\n\tMax RelError of Infinity at index of 10584.\n\t[10584\]\t-5.8778524398803711e-1\t0.0000000000000000e+0\t5.8778524398803711e-1\tInfinity\t3.0517578125000000e-5\n]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/webaudio/the-audio-api/the-audiobuffersourcenode-interface/sub-sample-buffer-stitching.html.ini b/tests/wpt/metadata/webaudio/the-audio-api/the-audiobuffersourcenode-interface/sub-sample-buffer-stitching.html.ini
index 67fd591b2b9..54768880bbc 100644
--- a/tests/wpt/metadata/webaudio/the-audio-api/the-audiobuffersourcenode-interface/sub-sample-buffer-stitching.html.ini
+++ b/tests/wpt/metadata/webaudio/the-audio-api/the-audiobuffersourcenode-interface/sub-sample-buffer-stitching.html.ini
@@ -227,3 +227,6 @@
   [X Stitched sine-wave buffers at sample rate 44100 does not equal [0,0.06264832615852356,0.12505052983760834,0.18696144223213196,0.24813786149024963,0.308339387178421,0.36732959747314453,0.4248766601085663,0.480754554271698,0.5347436666488647,0.5866320133209229,0.6362156271934509,0.6832997798919678,0.7276994585990906,0.7692402601242065,0.8077589869499207...\] with an element-wise tolerance of {"absoluteThreshold":0.000090957,"relativeThreshold":0}.\n\tIndex\tActual\t\t\tExpected\t\tAbsError\t\tRelError\t\tTest threshold\n\t[31080\]\t-4.6403300714282137e-34\t5.6332010030746460e-1\t5.6332010030746460e-1\t1.0000000000000000e+0\t9.0957000000000003e-5\n\t[31081\]\t4.5750993561740953e-41\t6.1397600173950195e-1\t6.1397600173950195e-1\t1.0000000000000000e+0\t9.0957000000000003e-5\n\tMax AbsError of 6.1397600173950195e-1 at index of 31081.\n\tMax RelError of 1.0000000000000000e+0 at index of 31080.\n]
     expected: FAIL
 
+  [X Stitched sine-wave buffers at sample rate 44100 does not equal [0,0.06264832615852356,0.12505052983760834,0.18696144223213196,0.24813786149024963,0.308339387178421,0.36732959747314453,0.4248766601085663,0.480754554271698,0.5347436666488647,0.5866320133209229,0.6362156271934509,0.6832997798919678,0.7276994585990906,0.7692402601242065,0.8077589869499207...\] with an element-wise tolerance of {"absoluteThreshold":0.000090957,"relativeThreshold":0}.\n\tIndex\tActual\t\t\tExpected\t\tAbsError\t\tRelError\t\tTest threshold\n\t[31080\]\t5.1024765332304224e-22\t5.6332010030746460e-1\t5.6332010030746460e-1\t1.0000000000000000e+0\t9.0957000000000003e-5\n\t[31081\]\t4.5801440306456646e-41\t6.1397600173950195e-1\t6.1397600173950195e-1\t1.0000000000000000e+0\t9.0957000000000003e-5\n\tMax AbsError of 6.1397600173950195e-1 at index of 31081.\n\tMax RelError of 1.0000000000000000e+0 at index of 31080.\n]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/webaudio/the-audio-api/the-audiocontext-interface/audiocontext-detached-execution-context.tentative.html.ini b/tests/wpt/metadata/webaudio/the-audio-api/the-audiocontext-interface/audiocontext-detached-execution-context.tentative.html.ini
new file mode 100644
index 00000000000..3e6af2e5146
--- /dev/null
+++ b/tests/wpt/metadata/webaudio/the-audio-api/the-audiocontext-interface/audiocontext-detached-execution-context.tentative.html.ini
@@ -0,0 +1,8 @@
+[audiocontext-detached-execution-context.tentative.html]
+  expected: TIMEOUT
+  [Executing "decoding-on-detached-iframe"]
+    expected: TIMEOUT
+
+  [Audit report]
+    expected: NOTRUN
+
diff --git a/tests/wpt/metadata/webaudio/the-audio-api/the-offlineaudiocontext-interface/offlineaudiocontext-detached-execution-context.tentative.html.ini b/tests/wpt/metadata/webaudio/the-audio-api/the-offlineaudiocontext-interface/offlineaudiocontext-detached-execution-context.tentative.html.ini
new file mode 100644
index 00000000000..ee92cef51d9
--- /dev/null
+++ b/tests/wpt/metadata/webaudio/the-audio-api/the-offlineaudiocontext-interface/offlineaudiocontext-detached-execution-context.tentative.html.ini
@@ -0,0 +1,4 @@
+[offlineaudiocontext-detached-execution-context.tentative.html]
+  [Executing "decoding-on-detached-iframe"]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/webmessaging/with-ports/017.html.ini b/tests/wpt/metadata/webmessaging/with-ports/017.html.ini
new file mode 100644
index 00000000000..064cf47545b
--- /dev/null
+++ b/tests/wpt/metadata/webmessaging/with-ports/017.html.ini
@@ -0,0 +1,5 @@
+[017.html]
+  expected: TIMEOUT
+  [origin of the script that invoked the method, about:blank]
+    expected: TIMEOUT
+
diff --git a/tests/wpt/metadata/webmessaging/without-ports/018.html.ini b/tests/wpt/metadata/webmessaging/without-ports/018.html.ini
new file mode 100644
index 00000000000..663a1f8fa30
--- /dev/null
+++ b/tests/wpt/metadata/webmessaging/without-ports/018.html.ini
@@ -0,0 +1,5 @@
+[018.html]
+  expected: TIMEOUT
+  [origin of the script that invoked the method, javascript:]
+    expected: TIMEOUT
+
diff --git a/tests/wpt/web-platform-tests/common/security-features/tools/generate.py b/tests/wpt/web-platform-tests/common/security-features/tools/generate.py
index ad2913cff8c..f740f45b8b9 100755
--- a/tests/wpt/web-platform-tests/common/security-features/tools/generate.py
+++ b/tests/wpt/web-platform-tests/common/security-features/tools/generate.py
@@ -254,15 +254,19 @@ def generate_test_source_files(spec_directory, test_helper_filenames,
     artifact_order = test_expansion_schema.keys()
     artifact_order.remove('expansion')
 
+    excluded_selection_pattern = ''
+    for key in artifact_order:
+        excluded_selection_pattern += '%(' + key + ')s/'
+
     # Create list of excluded tests.
-    exclusion_dict = {}
+    exclusion_dict = set()
     for excluded_pattern in spec_json['excluded_tests']:
         excluded_expansion = \
             expand_pattern(excluded_pattern, test_expansion_schema)
         for excluded_selection in permute_expansion(excluded_expansion,
                                                     artifact_order):
             excluded_selection['delivery_key'] = spec_json['delivery_key']
-            exclusion_dict[dump_test_parameters(excluded_selection)] = True
+            exclusion_dict.add(excluded_selection_pattern % excluded_selection)
 
     for spec in specification:
         # Used to make entries with expansion="override" override preceding
@@ -287,7 +291,7 @@ def generate_test_source_files(spec_directory, test_helper_filenames,
 
         for selection_path in output_dict:
             selection = output_dict[selection_path]
-            if dump_test_parameters(selection) in exclusion_dict:
+            if (excluded_selection_pattern % selection) in exclusion_dict:
                 print('Excluding selection:', selection_path)
                 continue
             try:
diff --git a/tests/wpt/web-platform-tests/css/css-cascade/all-prop-inherit-color.html b/tests/wpt/web-platform-tests/css/css-cascade/all-prop-inherit-color.html
new file mode 100644
index 00000000000..bd2503d56df
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-cascade/all-prop-inherit-color.html
@@ -0,0 +1,24 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>CSS Cascade: "color" property preceded by "all: initial"</title>
+  <link rel="help" href="https://www.w3.org/TR/css-cascade-4/#all-shorthand">
+  <link rel="match" href="reference/ref-green-text.html">
+  <meta name="flags" content="">
+  <meta name="assert" content="Own 'color', preceded by 'all: inherit', overrides inherited 'color'.">
+  <style>
+    .outer {
+      color: red;
+    }
+
+    .inner {
+      all: inherit;
+      color: green;
+    }
+  </style>
+</head>
+<body>
+  <p class="outer"><span class="inner">Test passes if this text is green.</span></p>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-cascade/all-prop-initial-color.html b/tests/wpt/web-platform-tests/css/css-cascade/all-prop-initial-color.html
new file mode 100644
index 00000000000..beccbf64abe
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-cascade/all-prop-initial-color.html
@@ -0,0 +1,24 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>CSS Cascade: "color" property preceded by "all: initial"</title>
+  <link rel="help" href="https://www.w3.org/TR/css-cascade-4/#all-shorthand">
+  <link rel="match" href="reference/ref-green-text.html">
+  <meta name="flags" content="">
+  <meta name="assert" content="Own 'color', preceded by 'all: initial', overrides inherited 'color'.">
+  <style>
+    .outer {
+      color: red;
+    }
+
+    .inner {
+      all: initial;
+      color: green;
+    }
+  </style>
+</head>
+<body>
+  <p class="outer"><span class="inner">Test passes if this text is green.</span></p>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-cascade/all-prop-revert-color.html b/tests/wpt/web-platform-tests/css/css-cascade/all-prop-revert-color.html
new file mode 100644
index 00000000000..3ac55cb18a1
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-cascade/all-prop-revert-color.html
@@ -0,0 +1,24 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>CSS Cascade: "color" property preceded by "all: revert"</title>
+  <link rel="help" href="https://www.w3.org/TR/css-cascade-4/#all-shorthand">
+  <link rel="match" href="reference/ref-green-text.html">
+  <meta name="flags" content="">
+  <meta name="assert" content="Own 'color', preceded by 'all: revert', overrides inherited 'color'.">
+  <style>
+    .outer {
+      color: red;
+    }
+
+    .inner {
+      all: revert;
+      color: green;
+    }
+  </style>
+</head>
+<body>
+  <p class="outer"><span class="inner">Test passes if this text is green.</span></p>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-cascade/all-prop-unset-color.html b/tests/wpt/web-platform-tests/css/css-cascade/all-prop-unset-color.html
new file mode 100644
index 00000000000..6bd59a6fc81
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-cascade/all-prop-unset-color.html
@@ -0,0 +1,24 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>CSS Cascade: "color" property preceded by "all: unset"</title>
+  <link rel="help" href="https://www.w3.org/TR/css-cascade-4/#all-shorthand">
+  <link rel="match" href="reference/ref-green-text.html">
+  <meta name="flags" content="">
+  <meta name="assert" content="Own 'color', preceded by 'all: unset', overrides inherited 'color'.">
+  <style>
+    .outer {
+      color: red;
+    }
+
+    .inner {
+      all: unset;
+      color: green;
+    }
+  </style>
+</head>
+<body>
+  <p class="outer"><span class="inner">Test passes if this text is green.</span></p>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-cascade/reference/ref-green-text.html b/tests/wpt/web-platform-tests/css/css-cascade/reference/ref-green-text.html
new file mode 100644
index 00000000000..8183c040870
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-cascade/reference/ref-green-text.html
@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Green text reference</title>
+<style>
+  .test { color: green; }
+</style>
+<body>
+  <p class="test">Test passes if this text is green.</p>
+</body>
diff --git a/tests/wpt/web-platform-tests/css/css-color/lab-001.html b/tests/wpt/web-platform-tests/css/css-color/lab-001.html
index 70dbd9123c5..f507f86c79c 100644
--- a/tests/wpt/web-platform-tests/css/css-color/lab-001.html
+++ b/tests/wpt/web-platform-tests/css/css-color/lab-001.html
@@ -6,7 +6,7 @@
 <link rel="match" href="greentext-ref.html">
 <meta name="assert" content="lab() with no alpha">
 <style>
-    .test {color: lab(46.277 -47.562 48.583)} /* green (sRGB #008000) converted to Lab */
+    .test {color: lab(46.277% -47.562 48.583)} /* green (sRGB #008000) converted to Lab */
 </style>
 <body>
     <p class="test">Test passes if this text is green</p>
diff --git a/tests/wpt/web-platform-tests/css/css-color/lab-002.html b/tests/wpt/web-platform-tests/css/css-color/lab-002.html
index 1f1b4476814..bcf04e36835 100644
--- a/tests/wpt/web-platform-tests/css/css-color/lab-002.html
+++ b/tests/wpt/web-platform-tests/css/css-color/lab-002.html
@@ -7,7 +7,7 @@
 <meta name="assert" content="lab() with no alpha">
 <style>
     .test { color: red; }
-    .test { color: lab(0 0 0)} /* black (sRGB #000000) converted to Lab */
+    .test { color: lab(0% 0 0)} /* black (sRGB #000000) converted to Lab */
 </style>
 <body>
     <p class="test">Test passes if this text is black</p>
diff --git a/tests/wpt/web-platform-tests/css/css-color/lab-003.html b/tests/wpt/web-platform-tests/css/css-color/lab-003.html
index 072dafa211b..ddf2d1780ec 100644
--- a/tests/wpt/web-platform-tests/css/css-color/lab-003.html
+++ b/tests/wpt/web-platform-tests/css/css-color/lab-003.html
@@ -7,7 +7,7 @@
 <meta name="assert" content="lab() with no alpha">
 <style>
     .test { color: red; background-color: #333; padding: 3px;}
-    .test { color: lab(100 0 0);} /* white (sRGB #FFFFFF) converted to Lab */
+    .test { color: lab(100% 0 0);} /* white (sRGB #FFFFFF) converted to Lab */
 </style>
 <body>
     <p class="test">Test passes if this text is white</p>
diff --git a/tests/wpt/web-platform-tests/css/css-color/lab-004.html b/tests/wpt/web-platform-tests/css/css-color/lab-004.html
index 2cd327f2699..056835ac477 100644
--- a/tests/wpt/web-platform-tests/css/css-color/lab-004.html
+++ b/tests/wpt/web-platform-tests/css/css-color/lab-004.html
@@ -7,7 +7,7 @@
 <meta name="assert" content="lab() with no alpha, positive a axis">
 <style>
     .test { color: red; }
-    .test { color: lab(50 50 0)}
+    .test { color: lab(50% 50 0)}
     .match { color: rgb(75.62%, 30.45%, 47.56%)} /* lab(50 50 0) converted to sRGB */
 </style>
 <body>
diff --git a/tests/wpt/web-platform-tests/css/css-color/lab-005.html b/tests/wpt/web-platform-tests/css/css-color/lab-005.html
index 846430f8360..8149771fb64 100644
--- a/tests/wpt/web-platform-tests/css/css-color/lab-005.html
+++ b/tests/wpt/web-platform-tests/css/css-color/lab-005.html
@@ -7,7 +7,7 @@
 <meta name="assert" content="lab() with no alpha, negative a axis">
 <style>
     .test { color: red; }
-    .test { color: lab(70 -45 0)}
+    .test { color: lab(70% -45 0)}
     .match { color: rgb(10.79%, 75.55%, 66.40%)} /* lab(70 -45 0) converted to sRGB */
 </style>
 <body>
diff --git a/tests/wpt/web-platform-tests/css/css-color/lab-006.html b/tests/wpt/web-platform-tests/css/css-color/lab-006.html
index 926c1f08236..0f175ab5ec7 100644
--- a/tests/wpt/web-platform-tests/css/css-color/lab-006.html
+++ b/tests/wpt/web-platform-tests/css/css-color/lab-006.html
@@ -7,7 +7,7 @@
 <meta name="assert" content="lab() with no alpha, positive b axis">
 <style>
     .test { color: red; }
-    .test { color: lab(70 0 70)}
+    .test { color: lab(70% 0 70)}
     .match { color: rgb(76.62%, 66.36%, 5.58%)} /* lab(70 0 70) converted to sRGB */
 </style>
 <body>
diff --git a/tests/wpt/web-platform-tests/css/css-color/lab-007.html b/tests/wpt/web-platform-tests/css/css-color/lab-007.html
index 917bc1a399f..a99cebd2572 100644
--- a/tests/wpt/web-platform-tests/css/css-color/lab-007.html
+++ b/tests/wpt/web-platform-tests/css/css-color/lab-007.html
@@ -7,7 +7,7 @@
 <meta name="assert" content="lab() with no alpha, negative b axis">
 <style>
     .test { color: red; }
-    .test { color: lab(55 0 -60)}
+    .test { color: lab(55% 0 -60)}
     .match { color: rgb(12.81%, 53.10%, 92.76%)} /* lab(55 0 -60) converted to sRGB */
 </style>
 <body>
diff --git a/tests/wpt/web-platform-tests/css/css-color/lch-001.html b/tests/wpt/web-platform-tests/css/css-color/lch-001.html
index 3b0b5af0a55..6bc0c5f7da6 100644
--- a/tests/wpt/web-platform-tests/css/css-color/lch-001.html
+++ b/tests/wpt/web-platform-tests/css/css-color/lch-001.html
@@ -6,7 +6,7 @@
 <link rel="match" href="greentext-ref.html">
 <meta name="assert" content="lch() with no alpha">
 <style>
-    .test {color: lch(46.277 67.945 134.427)} /* green (sRGB #008000) converted to LCH */
+    .test {color: lch(46.277% 67.945 134.427)} /* green (sRGB #008000) converted to LCH */
 </style>
 <body>
     <p class="test">Test passes if this text is green</p>
diff --git a/tests/wpt/web-platform-tests/css/css-color/lch-002.html b/tests/wpt/web-platform-tests/css/css-color/lch-002.html
index d87d0421a0d..52a54629071 100644
--- a/tests/wpt/web-platform-tests/css/css-color/lch-002.html
+++ b/tests/wpt/web-platform-tests/css/css-color/lch-002.html
@@ -7,7 +7,7 @@
 <meta name="assert" content="lch() with no alpha">
 <style>
     .test { color: red; }
-    .test { color: lch(0 0 0)} /* black (sRGB #000000) converted to LCH */
+    .test { color: lch(0% 0 0)} /* black (sRGB #000000) converted to LCH */
 </style>
 <body>
     <p class="test">Test passes if this text is black</p>
diff --git a/tests/wpt/web-platform-tests/css/css-color/lch-003.html b/tests/wpt/web-platform-tests/css/css-color/lch-003.html
index eb8f8a25b4a..7539e9d583f 100644
--- a/tests/wpt/web-platform-tests/css/css-color/lch-003.html
+++ b/tests/wpt/web-platform-tests/css/css-color/lch-003.html
@@ -7,7 +7,7 @@
 <meta name="assert" content="lch() with no alpha">
 <style>
     .test { color: red; background-color: #333; padding: 3px;}
-    .test { color: lch(100 0 0);} /* white (sRGB #FFFFFF) converted to LCH */
+    .test { color: lch(100% 0 0);} /* white (sRGB #FFFFFF) converted to LCH */
 </style>
 <body>
     <p class="test">Test passes if this text is white</p>
diff --git a/tests/wpt/web-platform-tests/css/css-color/lch-004.html b/tests/wpt/web-platform-tests/css/css-color/lch-004.html
index 0db243c9183..67d71a8ba36 100644
--- a/tests/wpt/web-platform-tests/css/css-color/lch-004.html
+++ b/tests/wpt/web-platform-tests/css/css-color/lch-004.html
@@ -7,7 +7,7 @@
 <meta name="assert" content="lch() with no alpha, positive a axis">
 <style>
     .test { color: red; }
-    .test { color: lch(50 50 0)}
+    .test { color: lch(50% 50 0)}
     .match { color: rgb(75.62%, 30.45%, 47.56%)} /* lch(50 50 0) converted to sRGB (happens to be the same as lab(50 50 0)*/
 </style>
 <body>
diff --git a/tests/wpt/web-platform-tests/css/css-color/lch-005.html b/tests/wpt/web-platform-tests/css/css-color/lch-005.html
index c16d02b335c..571f7aaab7b 100644
--- a/tests/wpt/web-platform-tests/css/css-color/lch-005.html
+++ b/tests/wpt/web-platform-tests/css/css-color/lch-005.html
@@ -7,7 +7,7 @@
 <meta name="assert" content="lch() with no alpha, negative a axis">
 <style>
     .test { color: red; }
-    .test { color: lch(70 45 -180)}
+    .test { color: lch(70% 45 -180)}
     .match { color: rgb(10.79%, 75.55%, 66.40%)} /* lch(70 45 180) converted to sRGB */
 </style>
 <body>
diff --git a/tests/wpt/web-platform-tests/css/css-color/lch-006.html b/tests/wpt/web-platform-tests/css/css-color/lch-006.html
index c3bbd14f507..ea490937c57 100644
--- a/tests/wpt/web-platform-tests/css/css-color/lch-006.html
+++ b/tests/wpt/web-platform-tests/css/css-color/lch-006.html
@@ -7,7 +7,7 @@
 <meta name="assert" content="lch() with no alpha, positive b axis">
 <style>
     .test { color: red; }
-    .test { color: lch(70 70 90)}
+    .test { color: lch(70% 70 90)}
     .match { color: rgb(76.62%, 66.36%, 5.58%)} /* lch(70 70 90) converted to sRGB */
 </style>
 <body>
diff --git a/tests/wpt/web-platform-tests/css/css-color/lch-007.html b/tests/wpt/web-platform-tests/css/css-color/lch-007.html
index 4646bc9a324..6d9a9740414 100644
--- a/tests/wpt/web-platform-tests/css/css-color/lch-007.html
+++ b/tests/wpt/web-platform-tests/css/css-color/lch-007.html
@@ -7,7 +7,7 @@
 <meta name="assert" content="lab() with no alpha, negative b axis">
 <style>
     .test { color: red; }
-    .test { color: lch(56 58 275)}
+    .test { color: lch(56% 58 275)}
     .match { color: rgb(12.81%, 53.10%, 92.76%)} /* lch(56 58 275) converted to sRGB */
 </style>
 <body>
diff --git a/tests/wpt/web-platform-tests/css/css-transitions/event-dispatch.tentative.html b/tests/wpt/web-platform-tests/css/css-transitions/event-dispatch.tentative.html
index cd5b6ab30b1..9e4946cf336 100644
--- a/tests/wpt/web-platform-tests/css/css-transitions/event-dispatch.tentative.html
+++ b/tests/wpt/web-platform-tests/css/css-transitions/event-dispatch.tentative.html
@@ -302,7 +302,7 @@ promise_test(async t => {
   // because mutating CSS transitions is not specced yet.
   transition.effect = new KeyframeEffect(
     div,
-    { marginleft: ['0px', '100px'] },
+    { marginLeft: ['0px', '100px'] },
     {
       duration: 100 * MS_PER_SEC,
       endDelay: -50 * MS_PER_SEC,
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-with-replaced-child.html b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-with-replaced-child.html
new file mode 100644
index 00000000000..c68de4fb57b
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/abs-pos-with-replaced-child.html
@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<link rel="match" href="../reference/ref-filled-green-100px-square-only.html">
+<link rel="help" href="https://drafts.csswg.org/css-sizing-3/#intrinsic-sizes">
+<link rel="help" href="https://drafts.csswg.org/css-writing-modes-3/">
+<meta name="assert" content="This test checks that the intrinsic size of an absolute positioned element is calculated correctly, with a replaced child that has a percentage block-size." />
+<p>Test passes if there is a filled green square.</p>
+<div style="position: relative; width: 200px; height: 100px;">
+  <div style="position: absolute; background: green; writing-mode: vertical-rl; width: 50%;">
+    <canvas style="width: 100%;" width=1 height=1></canvas>
+  </div>
+</div>
diff --git a/tests/wpt/web-platform-tests/docs/running-tests/from-local-system.md b/tests/wpt/web-platform-tests/docs/running-tests/from-local-system.md
index 70e70e79cc6..8c71e535baa 100644
--- a/tests/wpt/web-platform-tests/docs/running-tests/from-local-system.md
+++ b/tests/wpt/web-platform-tests/docs/running-tests/from-local-system.md
@@ -76,8 +76,8 @@ On Linux, macOS or other UNIX-like system:
 
 And on Windows (this must be run in a PowerShell session with Administrator privileges):
 
-```bash
-python wpt make-hosts-file | Out-File %SystemRoot%\System32\drivers\etc\hosts -Encoding ascii -Append
+```
+python wpt make-hosts-file | Out-File $env:SystemRoot\System32\drivers\etc\hosts -Encoding ascii -Append
 ```
 
 If you are behind a proxy, you also need to make sure the domains above are
diff --git a/tests/wpt/web-platform-tests/html/cross-origin-opener-policy/popup-coop-by-sw-from-coop.https.html b/tests/wpt/web-platform-tests/html/cross-origin-opener-policy/popup-coop-by-sw-from-coop.https.html
new file mode 100644
index 00000000000..fc38ea1c66b
--- /dev/null
+++ b/tests/wpt/web-platform-tests/html/cross-origin-opener-policy/popup-coop-by-sw-from-coop.https.html
@@ -0,0 +1,39 @@
+<!doctype html>
+<html>
+<head>
+  <title>
+    Check ServiceWorkers can set COOP/COEP headers for documents's responses
+  </title>
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+  <script src="/common/utils.js"></script>
+  <script src="/service-workers/service-worker/resources/test-helpers.sub.js">
+  </script>
+  <script src="./resources/popup-coop-by-sw.js"> </script>
+</head>
+<body>
+<script>
+
+// The current document have COOP/COEP defined. A popup will be opened.
+// Its response will be provided by a ServiceWorker. A browsing context
+// group swap must happen if the popup's headers contains COOP/COEP headers.
+
+popupCoopBySwTest("sw_normal, popup_normal",
+                   sw_normal, popup_normal,
+                   swap_browsing_context_group)
+
+popupCoopBySwTest("sw_normal, popup_coop",
+                   sw_normal, popup_coop,
+                   keep_browsing_context_group)
+
+popupCoopBySwTest("sw_coop, popup_normal",
+                   sw_coop, popup_normal,
+                   swap_browsing_context_group)
+
+popupCoopBySwTest("sw_coop, popup_coop",
+                   sw_coop, popup_coop,
+                   keep_browsing_context_group)
+
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/html/cross-origin-opener-policy/popup-coop-by-sw-from-coop.https.html.headers b/tests/wpt/web-platform-tests/html/cross-origin-opener-policy/popup-coop-by-sw-from-coop.https.html.headers
new file mode 100644
index 00000000000..63b60e490f4
--- /dev/null
+++ b/tests/wpt/web-platform-tests/html/cross-origin-opener-policy/popup-coop-by-sw-from-coop.https.html.headers
@@ -0,0 +1,2 @@
+Cross-Origin-Opener-Policy: same-origin
+Cross-Origin-Embedder-Policy: require-corp
diff --git a/tests/wpt/web-platform-tests/html/cross-origin-opener-policy/popup-coop-by-sw.https.html b/tests/wpt/web-platform-tests/html/cross-origin-opener-policy/popup-coop-by-sw.https.html
new file mode 100644
index 00000000000..13d9e79ca77
--- /dev/null
+++ b/tests/wpt/web-platform-tests/html/cross-origin-opener-policy/popup-coop-by-sw.https.html
@@ -0,0 +1,39 @@
+<!doctype html>
+<html>
+<head>
+  <title>
+    Check ServiceWorkers can set COOP/COEP headers for documents's responses
+  </title>
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+  <script src="/common/utils.js"></script>
+  <script src="/service-workers/service-worker/resources/test-helpers.sub.js">
+  </script>
+  <script src="./resources/popup-coop-by-sw.js"> </script>
+</head>
+<body>
+<script>
+
+// The current document do not have COOP/COEP defined. A popup will be opened.
+// Its response will be provided by a ServiceWorker. A browsing context group
+// swap must happen if the popup's headers contains COOP/COEP headers.
+
+popupCoopBySwTest("sw_normal, popup_normal",
+                   sw_normal, popup_normal,
+                   keep_browsing_context_group)
+
+popupCoopBySwTest("sw_normal, popup_coop",
+                   sw_normal, popup_coop,
+                   swap_browsing_context_group)
+
+popupCoopBySwTest("sw_coop, popup_normal",
+                   sw_coop, popup_normal,
+                   keep_browsing_context_group)
+
+popupCoopBySwTest("sw_coop, popup_coop",
+                   sw_coop, popup_coop,
+                   swap_browsing_context_group)
+
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/html/cross-origin-opener-policy/resources/popup-coop-by-sw.js b/tests/wpt/web-platform-tests/html/cross-origin-opener-policy/resources/popup-coop-by-sw.js
new file mode 100644
index 00000000000..7b16e316271
--- /dev/null
+++ b/tests/wpt/web-platform-tests/html/cross-origin-opener-policy/resources/popup-coop-by-sw.js
@@ -0,0 +1,104 @@
+const test_token = token();
+const bc = new BroadcastChannel(test_token);
+
+// Define a page served entirely from the ServiceWorker.
+const popup_url = new URL("./resources/i-do-not-exist.html", location);
+const popup_normal= {
+  'content-type': 'text/html',
+};
+const popup_coop = {
+  'content-type': 'text/html',
+  'cross-origin-embedder-policy': 'require-corp',
+  'cross-origin-opener-policy': 'same-origin',
+};
+const popup_body = `
+  <script>
+    const bc = new BroadcastChannel('${test_token}');
+    if (opener)
+      bc.postMessage("An opener is set");
+    else
+      bc.postMessage("No opener is set");
+    window.close();
+  </scrip`+`t>
+`;
+
+const header_coop= `|header(cross-origin-embedder-policy,same_origin)`;
+const header_coep = `|header(cross-origin-opener-policy,require-corp)`;
+
+const sw_normal = new URL("./resources/universal-worker.js?pipe=", location);
+const sw_coop = sw_normal + header_coop + header_coep;
+
+const swap_browsing_context_group = true;
+const keep_browsing_context_group = false;
+
+const SW_SCOPE = "./resources/"
+
+// Send a message to the |worker|. Return a promise containing its response.
+function executeCommandInServiceWorker(worker, command) {
+  const channel = new MessageChannel();
+  const response = new Promise(resolve => channel.port1.onmessage = resolve);
+  worker.postMessage(command, [ channel.port2 ]);
+  return response;
+}
+
+function popupCoopBySwTest(test_name,
+  // Test parameters
+  sw_url,
+  new_window_headers,
+  // Test expectations:
+  expected_browing_context_group) {
+  promise_test(async (t) => {
+    // Create a ServiceWorker and wait for its activation.
+    window.id = window.id == undefined ? 0 : window.id + 1;
+    const reg =
+      await service_worker_unregister_and_register(t, sw_url, SW_SCOPE);
+    t.add_cleanup(() => reg.unregister());
+    const worker = reg.installing || reg.waiting || reg.active;
+    wait_for_state(t, worker, 'active');
+
+    // Register a fetch handler. New documents loaded will use the
+    // |new_window_headers| from now and the custom response.
+    const worker_script = `
+      fetchHandler = event => {
+        const response = new Response(\`${popup_body}\`, {
+          status: 200,
+          headers: ${JSON.stringify(new_window_headers)},
+        });
+        event.respondWith(response);
+      };
+
+      message.ports[0].postMessage('done');
+    `;
+    const fetch_handler_registered =
+      await executeCommandInServiceWorker(worker, worker_script);
+    assert_equals(fetch_handler_registered.data, "done");
+
+    // Create a popup. The popup document's response is provided by the
+    // ServiceWorker.
+    bc_response = new Promise(resolve => bc.onmessage = resolve);
+    const openee = window.open(popup_url);
+    const {data} = await bc_response;
+    await reg.unregister();
+
+    if (expected_browing_context_group === keep_browsing_context_group) {
+      // From the openee point of view: The opener is preserved, because the
+      // popup is still in the same browsing context group.
+      assert_equals(data, "An opener is set");
+      return;
+    }
+
+    // From the openee point of view: There are no opener, because the new
+    // window lives in a different browsing context group.
+    assert_equals(data, "No opener is set");
+
+    // From the opener point of view: the openee must appear closed shortly
+    // after the popup navigation commit.
+    const openee_closed = new Promise(resolve => {
+      setInterval(() => {
+        if (openee.closed)
+          resolve();
+      }, 100);
+    });
+    await openee_closed;
+  }, test_name);
+}
diff --git a/tests/wpt/web-platform-tests/html/cross-origin-opener-policy/resources/universal-worker.js b/tests/wpt/web-platform-tests/html/cross-origin-opener-policy/resources/universal-worker.js
new file mode 100644
index 00000000000..24416793721
--- /dev/null
+++ b/tests/wpt/web-platform-tests/html/cross-origin-opener-policy/resources/universal-worker.js
@@ -0,0 +1,2 @@
+onmessage = message => eval(message.data);
+onfetch = event => fetchHandler(event);
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/cross-http.keep-scheme.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/cross-http.keep-scheme.https.html
new file mode 100644
index 00000000000..ef3d507cb0f
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/cross-http.keep-scheme.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Blockable content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of blockable content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/#category-blockable">
+    <meta name="assert" content="Mixed-Content: Expects blocked for fetch to cross-http origin and keep-scheme redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "blocked",
+          "origin": "cross-http",
+          "redirection": "keep-scheme",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-classic"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "fetch",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/cross-http.keep-scheme.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/cross-http.keep-scheme.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/cross-http.keep-scheme.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/cross-http.no-redirect.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/cross-http.no-redirect.https.html
new file mode 100644
index 00000000000..0cc639284a3
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/cross-http.no-redirect.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Blockable content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of blockable content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/#category-blockable">
+    <meta name="assert" content="Mixed-Content: Expects blocked for fetch to cross-http origin and no-redirect redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "blocked",
+          "origin": "cross-http",
+          "redirection": "no-redirect",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-classic"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "fetch",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/cross-http.no-redirect.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/cross-http.no-redirect.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/cross-http.no-redirect.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/cross-http.swap-scheme.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/cross-http.swap-scheme.https.html
new file mode 100644
index 00000000000..2d80d2741ee
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/cross-http.swap-scheme.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Blockable content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of blockable content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/#category-blockable">
+    <meta name="assert" content="Mixed-Content: Expects blocked for fetch to cross-http origin and swap-scheme redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "blocked",
+          "origin": "cross-http",
+          "redirection": "swap-scheme",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-classic"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "fetch",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/cross-http.swap-scheme.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/cross-http.swap-scheme.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/cross-http.swap-scheme.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-http.keep-scheme.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-http.keep-scheme.https.html
new file mode 100644
index 00000000000..d6be006f53f
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-http.keep-scheme.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Blockable content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of blockable content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/#category-blockable">
+    <meta name="assert" content="Mixed-Content: Expects blocked for fetch to same-http origin and keep-scheme redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "blocked",
+          "origin": "same-http",
+          "redirection": "keep-scheme",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-classic"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "fetch",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-http.keep-scheme.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-http.keep-scheme.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-http.keep-scheme.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-http.no-redirect.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-http.no-redirect.https.html
new file mode 100644
index 00000000000..6062f7d9715
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-http.no-redirect.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Blockable content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of blockable content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/#category-blockable">
+    <meta name="assert" content="Mixed-Content: Expects blocked for fetch to same-http origin and no-redirect redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "blocked",
+          "origin": "same-http",
+          "redirection": "no-redirect",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-classic"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "fetch",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-http.no-redirect.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-http.no-redirect.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-http.no-redirect.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-http.swap-scheme.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-http.swap-scheme.https.html
new file mode 100644
index 00000000000..0e54fd718d1
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-http.swap-scheme.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Blockable content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of blockable content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/#category-blockable">
+    <meta name="assert" content="Mixed-Content: Expects blocked for fetch to same-http origin and swap-scheme redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "blocked",
+          "origin": "same-http",
+          "redirection": "swap-scheme",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-classic"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "fetch",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-http.swap-scheme.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-http.swap-scheme.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-http.swap-scheme.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-https.keep-scheme.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-https.keep-scheme.https.html
new file mode 100644
index 00000000000..2272b7ded7a
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-https.keep-scheme.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Allowed content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of allowed content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/">
+    <meta name="assert" content="Mixed-Content: Expects allowed for fetch to same-https origin and keep-scheme redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "allowed",
+          "origin": "same-https",
+          "redirection": "keep-scheme",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-classic"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "fetch",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-https.keep-scheme.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-https.keep-scheme.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-https.keep-scheme.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-https.no-redirect.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-https.no-redirect.https.html
new file mode 100644
index 00000000000..1149df0ed6d
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-https.no-redirect.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Allowed content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of allowed content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/">
+    <meta name="assert" content="Mixed-Content: Expects allowed for fetch to same-https origin and no-redirect redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "allowed",
+          "origin": "same-https",
+          "redirection": "no-redirect",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-classic"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "fetch",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-https.no-redirect.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-https.no-redirect.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/fetch/same-https.no-redirect.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/websocket/cross-ws.no-redirect.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/websocket/cross-ws.no-redirect.https.html
new file mode 100644
index 00000000000..e8f99265139
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/websocket/cross-ws.no-redirect.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Blockable content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of blockable content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/#category-blockable">
+    <meta name="assert" content="Mixed-Content: Expects blocked for websocket to cross-ws origin and no-redirect redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "blocked",
+          "origin": "cross-ws",
+          "redirection": "no-redirect",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-classic"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "websocket",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/websocket/cross-ws.no-redirect.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/websocket/cross-ws.no-redirect.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/websocket/cross-ws.no-redirect.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/websocket/same-ws.no-redirect.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/websocket/same-ws.no-redirect.https.html
new file mode 100644
index 00000000000..eb9c582eb52
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/websocket/same-ws.no-redirect.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Blockable content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of blockable content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/#category-blockable">
+    <meta name="assert" content="Mixed-Content: Expects blocked for websocket to same-ws origin and no-redirect redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "blocked",
+          "origin": "same-ws",
+          "redirection": "no-redirect",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-classic"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "websocket",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/websocket/same-ws.no-redirect.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/websocket/same-ws.no-redirect.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/websocket/same-ws.no-redirect.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/websocket/same-wss.no-redirect.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/websocket/same-wss.no-redirect.https.html
new file mode 100644
index 00000000000..9b088f33b3f
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/websocket/same-wss.no-redirect.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Allowed content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of allowed content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/">
+    <meta name="assert" content="Mixed-Content: Expects allowed for websocket to same-wss origin and no-redirect redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "allowed",
+          "origin": "same-wss",
+          "redirection": "no-redirect",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-classic"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "websocket",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/websocket/same-wss.no-redirect.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/websocket/same-wss.no-redirect.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/websocket/same-wss.no-redirect.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/cross-http.keep-scheme.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/cross-http.keep-scheme.https.html
new file mode 100644
index 00000000000..dea784bfa56
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/cross-http.keep-scheme.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Blockable content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of blockable content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/#category-blockable">
+    <meta name="assert" content="Mixed-Content: Expects blocked for xhr to cross-http origin and keep-scheme redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "blocked",
+          "origin": "cross-http",
+          "redirection": "keep-scheme",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-classic"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "xhr",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/cross-http.keep-scheme.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/cross-http.keep-scheme.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/cross-http.keep-scheme.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/cross-http.no-redirect.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/cross-http.no-redirect.https.html
new file mode 100644
index 00000000000..8929b78df5e
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/cross-http.no-redirect.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Blockable content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of blockable content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/#category-blockable">
+    <meta name="assert" content="Mixed-Content: Expects blocked for xhr to cross-http origin and no-redirect redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "blocked",
+          "origin": "cross-http",
+          "redirection": "no-redirect",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-classic"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "xhr",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/cross-http.no-redirect.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/cross-http.no-redirect.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/cross-http.no-redirect.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/cross-http.swap-scheme.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/cross-http.swap-scheme.https.html
new file mode 100644
index 00000000000..093900c96a6
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/cross-http.swap-scheme.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Blockable content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of blockable content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/#category-blockable">
+    <meta name="assert" content="Mixed-Content: Expects blocked for xhr to cross-http origin and swap-scheme redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "blocked",
+          "origin": "cross-http",
+          "redirection": "swap-scheme",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-classic"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "xhr",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/cross-http.swap-scheme.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/cross-http.swap-scheme.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/cross-http.swap-scheme.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-http.keep-scheme.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-http.keep-scheme.https.html
new file mode 100644
index 00000000000..f1496d392a3
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-http.keep-scheme.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Blockable content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of blockable content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/#category-blockable">
+    <meta name="assert" content="Mixed-Content: Expects blocked for xhr to same-http origin and keep-scheme redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "blocked",
+          "origin": "same-http",
+          "redirection": "keep-scheme",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-classic"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "xhr",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-http.keep-scheme.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-http.keep-scheme.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-http.keep-scheme.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-http.no-redirect.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-http.no-redirect.https.html
new file mode 100644
index 00000000000..667020a75ca
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-http.no-redirect.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Blockable content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of blockable content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/#category-blockable">
+    <meta name="assert" content="Mixed-Content: Expects blocked for xhr to same-http origin and no-redirect redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "blocked",
+          "origin": "same-http",
+          "redirection": "no-redirect",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-classic"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "xhr",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-http.no-redirect.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-http.no-redirect.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-http.no-redirect.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-http.swap-scheme.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-http.swap-scheme.https.html
new file mode 100644
index 00000000000..92535f8243e
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-http.swap-scheme.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Blockable content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of blockable content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/#category-blockable">
+    <meta name="assert" content="Mixed-Content: Expects blocked for xhr to same-http origin and swap-scheme redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "blocked",
+          "origin": "same-http",
+          "redirection": "swap-scheme",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-classic"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "xhr",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-http.swap-scheme.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-http.swap-scheme.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-http.swap-scheme.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-https.keep-scheme.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-https.keep-scheme.https.html
new file mode 100644
index 00000000000..341fa52c0e2
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-https.keep-scheme.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Allowed content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of allowed content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/">
+    <meta name="assert" content="Mixed-Content: Expects allowed for xhr to same-https origin and keep-scheme redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "allowed",
+          "origin": "same-https",
+          "redirection": "keep-scheme",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-classic"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "xhr",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-https.keep-scheme.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-https.keep-scheme.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-https.keep-scheme.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-https.no-redirect.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-https.no-redirect.https.html
new file mode 100644
index 00000000000..4c20e11de6a
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-https.no-redirect.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Allowed content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of allowed content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/">
+    <meta name="assert" content="Mixed-Content: Expects allowed for xhr to same-https origin and no-redirect redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "allowed",
+          "origin": "same-https",
+          "redirection": "no-redirect",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-classic"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "xhr",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-https.no-redirect.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-https.no-redirect.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-classic.http-rp/unset/xhr/same-https.no-redirect.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/cross-http.keep-scheme.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/cross-http.keep-scheme.https.html
new file mode 100644
index 00000000000..213992846c8
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/cross-http.keep-scheme.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Blockable content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of blockable content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/#category-blockable">
+    <meta name="assert" content="Mixed-Content: Expects blocked for fetch to cross-http origin and keep-scheme redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "blocked",
+          "origin": "cross-http",
+          "redirection": "keep-scheme",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-module"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "fetch",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/cross-http.keep-scheme.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/cross-http.keep-scheme.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/cross-http.keep-scheme.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/cross-http.no-redirect.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/cross-http.no-redirect.https.html
new file mode 100644
index 00000000000..22502bfbfb6
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/cross-http.no-redirect.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Blockable content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of blockable content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/#category-blockable">
+    <meta name="assert" content="Mixed-Content: Expects blocked for fetch to cross-http origin and no-redirect redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "blocked",
+          "origin": "cross-http",
+          "redirection": "no-redirect",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-module"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "fetch",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/cross-http.no-redirect.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/cross-http.no-redirect.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/cross-http.no-redirect.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/cross-http.swap-scheme.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/cross-http.swap-scheme.https.html
new file mode 100644
index 00000000000..0f08bb331a0
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/cross-http.swap-scheme.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Blockable content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of blockable content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/#category-blockable">
+    <meta name="assert" content="Mixed-Content: Expects blocked for fetch to cross-http origin and swap-scheme redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "blocked",
+          "origin": "cross-http",
+          "redirection": "swap-scheme",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-module"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "fetch",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/cross-http.swap-scheme.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/cross-http.swap-scheme.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/cross-http.swap-scheme.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-http.keep-scheme.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-http.keep-scheme.https.html
new file mode 100644
index 00000000000..bb07807b4d0
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-http.keep-scheme.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Blockable content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of blockable content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/#category-blockable">
+    <meta name="assert" content="Mixed-Content: Expects blocked for fetch to same-http origin and keep-scheme redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "blocked",
+          "origin": "same-http",
+          "redirection": "keep-scheme",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-module"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "fetch",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-http.keep-scheme.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-http.keep-scheme.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-http.keep-scheme.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-http.no-redirect.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-http.no-redirect.https.html
new file mode 100644
index 00000000000..ae92b955cfa
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-http.no-redirect.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Blockable content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of blockable content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/#category-blockable">
+    <meta name="assert" content="Mixed-Content: Expects blocked for fetch to same-http origin and no-redirect redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "blocked",
+          "origin": "same-http",
+          "redirection": "no-redirect",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-module"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "fetch",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-http.no-redirect.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-http.no-redirect.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-http.no-redirect.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-http.swap-scheme.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-http.swap-scheme.https.html
new file mode 100644
index 00000000000..20b2f23c3d0
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-http.swap-scheme.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Blockable content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of blockable content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/#category-blockable">
+    <meta name="assert" content="Mixed-Content: Expects blocked for fetch to same-http origin and swap-scheme redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "blocked",
+          "origin": "same-http",
+          "redirection": "swap-scheme",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-module"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "fetch",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-http.swap-scheme.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-http.swap-scheme.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-http.swap-scheme.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-https.keep-scheme.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-https.keep-scheme.https.html
new file mode 100644
index 00000000000..eadfb9b5dd0
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-https.keep-scheme.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Allowed content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of allowed content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/">
+    <meta name="assert" content="Mixed-Content: Expects allowed for fetch to same-https origin and keep-scheme redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "allowed",
+          "origin": "same-https",
+          "redirection": "keep-scheme",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-module"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "fetch",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-https.keep-scheme.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-https.keep-scheme.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-https.keep-scheme.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-https.no-redirect.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-https.no-redirect.https.html
new file mode 100644
index 00000000000..e9aa942825e
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-https.no-redirect.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Allowed content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of allowed content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/">
+    <meta name="assert" content="Mixed-Content: Expects allowed for fetch to same-https origin and no-redirect redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "allowed",
+          "origin": "same-https",
+          "redirection": "no-redirect",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-module"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "fetch",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-https.no-redirect.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-https.no-redirect.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/fetch/same-https.no-redirect.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/websocket/cross-ws.no-redirect.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/websocket/cross-ws.no-redirect.https.html
new file mode 100644
index 00000000000..2d7f4d1b6b4
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/websocket/cross-ws.no-redirect.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Blockable content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of blockable content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/#category-blockable">
+    <meta name="assert" content="Mixed-Content: Expects blocked for websocket to cross-ws origin and no-redirect redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "blocked",
+          "origin": "cross-ws",
+          "redirection": "no-redirect",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-module"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "websocket",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/websocket/cross-ws.no-redirect.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/websocket/cross-ws.no-redirect.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/websocket/cross-ws.no-redirect.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/websocket/same-ws.no-redirect.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/websocket/same-ws.no-redirect.https.html
new file mode 100644
index 00000000000..7829f4e6f8b
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/websocket/same-ws.no-redirect.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Blockable content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of blockable content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/#category-blockable">
+    <meta name="assert" content="Mixed-Content: Expects blocked for websocket to same-ws origin and no-redirect redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "blocked",
+          "origin": "same-ws",
+          "redirection": "no-redirect",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-module"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "websocket",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/websocket/same-ws.no-redirect.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/websocket/same-ws.no-redirect.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/websocket/same-ws.no-redirect.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/websocket/same-wss.no-redirect.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/websocket/same-wss.no-redirect.https.html
new file mode 100644
index 00000000000..946e02023a2
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/websocket/same-wss.no-redirect.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Allowed content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of allowed content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/">
+    <meta name="assert" content="Mixed-Content: Expects allowed for websocket to same-wss origin and no-redirect redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "allowed",
+          "origin": "same-wss",
+          "redirection": "no-redirect",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-module"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "websocket",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/websocket/same-wss.no-redirect.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/websocket/same-wss.no-redirect.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/websocket/same-wss.no-redirect.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/cross-http.keep-scheme.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/cross-http.keep-scheme.https.html
new file mode 100644
index 00000000000..06f3eab1728
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/cross-http.keep-scheme.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Blockable content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of blockable content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/#category-blockable">
+    <meta name="assert" content="Mixed-Content: Expects blocked for xhr to cross-http origin and keep-scheme redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "blocked",
+          "origin": "cross-http",
+          "redirection": "keep-scheme",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-module"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "xhr",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/cross-http.keep-scheme.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/cross-http.keep-scheme.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/cross-http.keep-scheme.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/cross-http.no-redirect.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/cross-http.no-redirect.https.html
new file mode 100644
index 00000000000..46390891fec
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/cross-http.no-redirect.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Blockable content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of blockable content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/#category-blockable">
+    <meta name="assert" content="Mixed-Content: Expects blocked for xhr to cross-http origin and no-redirect redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "blocked",
+          "origin": "cross-http",
+          "redirection": "no-redirect",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-module"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "xhr",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/cross-http.no-redirect.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/cross-http.no-redirect.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/cross-http.no-redirect.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/cross-http.swap-scheme.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/cross-http.swap-scheme.https.html
new file mode 100644
index 00000000000..b7100e1ac79
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/cross-http.swap-scheme.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Blockable content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of blockable content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/#category-blockable">
+    <meta name="assert" content="Mixed-Content: Expects blocked for xhr to cross-http origin and swap-scheme redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "blocked",
+          "origin": "cross-http",
+          "redirection": "swap-scheme",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-module"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "xhr",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/cross-http.swap-scheme.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/cross-http.swap-scheme.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/cross-http.swap-scheme.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-http.keep-scheme.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-http.keep-scheme.https.html
new file mode 100644
index 00000000000..08b9bcfa813
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-http.keep-scheme.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Blockable content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of blockable content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/#category-blockable">
+    <meta name="assert" content="Mixed-Content: Expects blocked for xhr to same-http origin and keep-scheme redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "blocked",
+          "origin": "same-http",
+          "redirection": "keep-scheme",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-module"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "xhr",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-http.keep-scheme.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-http.keep-scheme.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-http.keep-scheme.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-http.no-redirect.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-http.no-redirect.https.html
new file mode 100644
index 00000000000..5c070566dde
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-http.no-redirect.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Blockable content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of blockable content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/#category-blockable">
+    <meta name="assert" content="Mixed-Content: Expects blocked for xhr to same-http origin and no-redirect redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "blocked",
+          "origin": "same-http",
+          "redirection": "no-redirect",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-module"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "xhr",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-http.no-redirect.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-http.no-redirect.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-http.no-redirect.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-http.swap-scheme.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-http.swap-scheme.https.html
new file mode 100644
index 00000000000..bf7450d6de6
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-http.swap-scheme.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Blockable content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of blockable content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/#category-blockable">
+    <meta name="assert" content="Mixed-Content: Expects blocked for xhr to same-http origin and swap-scheme redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "blocked",
+          "origin": "same-http",
+          "redirection": "swap-scheme",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-module"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "xhr",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-http.swap-scheme.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-http.swap-scheme.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-http.swap-scheme.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-https.keep-scheme.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-https.keep-scheme.https.html
new file mode 100644
index 00000000000..ef31d39e4e7
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-https.keep-scheme.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Allowed content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of allowed content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/">
+    <meta name="assert" content="Mixed-Content: Expects allowed for xhr to same-https origin and keep-scheme redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "allowed",
+          "origin": "same-https",
+          "redirection": "keep-scheme",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-module"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "xhr",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-https.keep-scheme.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-https.keep-scheme.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-https.keep-scheme.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-https.no-redirect.https.html b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-https.no-redirect.https.html
new file mode 100644
index 00000000000..6be0758ea86
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-https.no-redirect.https.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! Generated by `common/security-features/tools/generate.py --spec mixed-content/` -->
+<html>
+  <head>
+    <title>Mixed-Content: Allowed content</title>
+    <meta charset='utf-8'>
+    <meta name="description" content="Test behavior of allowed content.">
+    <link rel="author" title="Kristijan Burnik" href="burnik@chromium.org">
+    <link rel="help" href="http://www.w3.org/TR/mixed-content/">
+    <meta name="assert" content="Mixed-Content: Expects allowed for xhr to same-https origin and no-redirect redirection from https context.">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/common/security-features/resources/common.sub.js"></script>
+    <script src="../../../../generic/test-case.sub.js"></script>
+  </head>
+  <body>
+    <script>
+      TestCase(
+        {
+          "expectation": "allowed",
+          "origin": "same-https",
+          "redirection": "no-redirect",
+          "source_context_list": [
+            {
+              "policyDeliveries": [],
+              "sourceContextType": "sharedworker-module"
+            }
+          ],
+          "source_scheme": "https",
+          "subresource": "xhr",
+          "subresource_policy_deliveries": []
+        },
+        document.querySelector("meta[name=assert]").content,
+        new SanityChecker()
+      ).start();
+      </script>
+    <div id="log"></div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-https.no-redirect.https.html.headers b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-https.no-redirect.https.html.headers
new file mode 100644
index 00000000000..46e2255e388
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mixed-content/gen/sharedworker-module.http-rp/unset/xhr/same-https.no-redirect.https.html.headers
@@ -0,0 +1 @@
+Content-Security-Policy: block-all-mixed-content
diff --git a/tests/wpt/web-platform-tests/mixed-content/spec.src.json b/tests/wpt/web-platform-tests/mixed-content/spec.src.json
index c3aa5eb0fda..1e7d7c9dbe0 100644
--- a/tests/wpt/web-platform-tests/mixed-content/spec.src.json
+++ b/tests/wpt/web-platform-tests/mixed-content/spec.src.json
@@ -259,7 +259,20 @@
       // Skip-redundant-no-opt-in
       "expansion": "*",
       "source_scheme": "*",
-      "source_context_list": "*",
+      "source_context_list": [
+        // In certain source_context_lists (workers),
+        // this is not redundant because <meta> is not supported.
+        "top",
+        "srcdoc-inherit",
+        "iframe",
+        "iframe-blank-inherit",
+        "worker-classic-inherit",
+        "worker-classic-data",
+        "worker-module-inherit",
+        "worker-module-data",
+        "sharedworker-classic-data",
+        "sharedworker-module-data"
+      ],
       "delivery_type": "http-rp",
       "delivery_value": null,
       "redirection": "*",
diff --git a/tests/wpt/web-platform-tests/referrer-policy/4K+1/spec.src.json b/tests/wpt/web-platform-tests/referrer-policy/4K+1/spec.src.json
index 8dd6526eae0..2b165211488 100644
--- a/tests/wpt/web-platform-tests/referrer-policy/4K+1/spec.src.json
+++ b/tests/wpt/web-platform-tests/referrer-policy/4K+1/spec.src.json
@@ -35,6 +35,18 @@
       "origin": "*",
       "subresource": "*",
       "expectation": "*"
+    },
+    {
+      // subresources not yet tested.
+      "expansion": "*",
+      "source_scheme": "*",
+      "source_context_list": "*",
+      "redirection": "*",
+      "delivery_type": "*",
+      "delivery_value": "*",
+      "origin": "*",
+      "subresource": "sharedworker-module",
+      "expectation": "*"
     }
   ]
 }
diff --git a/tests/wpt/web-platform-tests/referrer-policy/4K-1/spec.src.json b/tests/wpt/web-platform-tests/referrer-policy/4K-1/spec.src.json
index 8dd6526eae0..2b165211488 100644
--- a/tests/wpt/web-platform-tests/referrer-policy/4K-1/spec.src.json
+++ b/tests/wpt/web-platform-tests/referrer-policy/4K-1/spec.src.json
@@ -35,6 +35,18 @@
       "origin": "*",
       "subresource": "*",
       "expectation": "*"
+    },
+    {
+      // subresources not yet tested.
+      "expansion": "*",
+      "source_scheme": "*",
+      "source_context_list": "*",
+      "redirection": "*",
+      "delivery_type": "*",
+      "delivery_value": "*",
+      "origin": "*",
+      "subresource": "sharedworker-module",
+      "expectation": "*"
     }
   ]
 }
diff --git a/tests/wpt/web-platform-tests/referrer-policy/4K/spec.src.json b/tests/wpt/web-platform-tests/referrer-policy/4K/spec.src.json
index 8dd6526eae0..2b165211488 100644
--- a/tests/wpt/web-platform-tests/referrer-policy/4K/spec.src.json
+++ b/tests/wpt/web-platform-tests/referrer-policy/4K/spec.src.json
@@ -35,6 +35,18 @@
       "origin": "*",
       "subresource": "*",
       "expectation": "*"
+    },
+    {
+      // subresources not yet tested.
+      "expansion": "*",
+      "source_scheme": "*",
+      "source_context_list": "*",
+      "redirection": "*",
+      "delivery_type": "*",
+      "delivery_value": "*",
+      "origin": "*",
+      "subresource": "sharedworker-module",
+      "expectation": "*"
     }
   ]
 }
diff --git a/tests/wpt/web-platform-tests/referrer-policy/generic/test-case.sub.js b/tests/wpt/web-platform-tests/referrer-policy/generic/test-case.sub.js
index a8292e57e1f..a115837c86b 100644
--- a/tests/wpt/web-platform-tests/referrer-policy/generic/test-case.sub.js
+++ b/tests/wpt/web-platform-tests/referrer-policy/generic/test-case.sub.js
@@ -1,10 +1,28 @@
-// NOTE: This method only strips the fragment and is not in accordance to the
-// recommended draft specification:
-// https://w3c.github.io/webappsec/specs/referrer-policy/#null
-// TODO(kristijanburnik): Implement this helper as defined by spec once added
-// scenarios for URLs containing username/password/etc.
-function stripUrlForUseAsReferrer(url) {
-  return url.replace(/#.*$/, "");
+// https://w3c.github.io/webappsec-referrer-policy/#strip-url
+function stripUrlForUseAsReferrer(url, originOnly) {
+  // Step 2. If url’s scheme is a local scheme, then return no referrer.
+  const parsedUrl = new URL(url);
+
+  if (["about:", "blob:", "data:"].includes(parsedUrl.protocol))
+    return undefined;
+
+  // Step 3. Set url’s username to the empty string.
+  parsedUrl.username = '';
+
+  // Step 4. Set url’s password to null.
+  parsedUrl.password = '';
+
+  // Step 5. Set url’s fragment to null.
+  parsedUrl.hash = '';
+
+  //  Step 6. If the origin-only flag is true, then:
+  if (originOnly) {
+    // Step 6.1. Set url’s path to null.
+    parsedUrl.pathname = '';
+    // Step 6.2. Set url’s query to null.
+    parsedUrl.search = '';
+  }
+  return parsedUrl.href;
 }
 
 function invokeScenario(scenario) {
@@ -27,10 +45,10 @@ const referrerUrlResolver = {
     return undefined;
   },
   "origin": function(sourceUrl) {
-    return new URL(sourceUrl).origin + "/";
+    return stripUrlForUseAsReferrer(sourceUrl, true);
   },
   "stripped-referrer": function(sourceUrl) {
-    return stripUrlForUseAsReferrer(sourceUrl);
+    return stripUrlForUseAsReferrer(sourceUrl, false);
   }
 };
 
diff --git a/tests/wpt/web-platform-tests/resources/test/tests/functional/api-tests-1.html b/tests/wpt/web-platform-tests/resources/test/tests/functional/api-tests-1.html
index 7c77afdda8e..237b4ea876e 100644
--- a/tests/wpt/web-platform-tests/resources/test/tests/functional/api-tests-1.html
+++ b/tests/wpt/web-platform-tests/resources/test/tests/functional/api-tests-1.html
@@ -414,7 +414,7 @@
     {
       "status_string": "FAIL",
       "name": "Test throw DOM exception expected to fail",
-      "message": "assert_throws_dom: function \"function () {a.appendChild(b)}\" threw object \"HierarchyRequestError: Node cannot be inserted at the specified point in the hierarchy\" that is not a DOMException NOT_FOUND_ERR: property \"code\" is equal to 3, expected 8",
+      "message": "assert_throws_dom: function \"function () {a.appendChild(b)}\" threw object \"HierarchyRequestError: Node.appendChild: Cannot add children to a Text\" that is not a DOMException NOT_FOUND_ERR: property \"code\" is equal to 3, expected 8",
       "properties": {}
     },
     {
diff --git a/tests/wpt/web-platform-tests/scroll-animations/constructor.html b/tests/wpt/web-platform-tests/scroll-animations/constructor.html
index 336afd504e5..5d13035f6a1 100644
--- a/tests/wpt/web-platform-tests/scroll-animations/constructor.html
+++ b/tests/wpt/web-platform-tests/scroll-animations/constructor.html
@@ -233,32 +233,4 @@ for (let timeRange of gInvalidTimeRangeValues) {
     assert_throws_js(TypeError, constructorFunc);
   }, '\'' + timeRange + '\' is an invalid timeRange value');
 }
-
-// fill
-
-test(function() {
-  assert_equals(new ScrollTimeline({timeRange: 100}).fill, 'none');
-}, 'A ScrollTimeline created with the default fill should default to \'none\'');
-
-const gValidFillValues = [
-  'none',
-  'forwards',
-  'backwards',
-  'both',
-  'auto',
-];
-
-for (let fill of gValidFillValues) {
-  test(function() {
-    const scrollTimeline = new ScrollTimeline({fill: fill, timeRange: 100});
-    assert_equals(scrollTimeline.fill, fill);
-  }, '\'' + fill + '\' is a valid fill value');
-}
-
-test(t => {
-  let constructorFunc = function() {
-    new ScrollTimeline({fill: 'nonsense', timeRange: 100})
-  };
-  assert_throws_js(TypeError, constructorFunc);
-}, 'Creating a ScrollTimeline with an invalid fill value should throw');
 </script>
diff --git a/tests/wpt/web-platform-tests/scroll-animations/current-time-writing-modes.html b/tests/wpt/web-platform-tests/scroll-animations/current-time-writing-modes.html
index b409f097bcb..243f152ec71 100644
--- a/tests/wpt/web-platform-tests/scroll-animations/current-time-writing-modes.html
+++ b/tests/wpt/web-platform-tests/scroll-animations/current-time-writing-modes.html
@@ -196,16 +196,16 @@ test(function() {
     startScrollOffset: 'calc(20% - 5px)'
   });
 
-  // Unscrolled, all timelines should read a current time of unresolved, since
+  // Unscrolled, all timelines should read a current time of 0, since
   // the current offset (0) will be less than the startScrollOffset.
   assert_equals(
-      lengthScrollTimeline.currentTime, null,
+      lengthScrollTimeline.currentTime, 0,
       'Unscrolled length-based timeline');
   assert_equals(
-      percentageScrollTimeline.currentTime, null,
+      percentageScrollTimeline.currentTime, 0,
       'Unscrolled percentage-based timeline');
   assert_equals(
-      calcScrollTimeline.currentTime, null, 'Unscrolled calc-based timeline');
+      calcScrollTimeline.currentTime, 0, 'Unscrolled calc-based timeline');
 
   // With direction rtl offsets are inverted, such that scrollLeft == 0
   // is the 'zero' point for currentTime. However the
@@ -215,7 +215,7 @@ test(function() {
   // Check the length-based ScrollTimeline.
   scroller.scrollLeft = 0;
   assert_equals(
-      lengthScrollTimeline.currentTime, null,
+      lengthScrollTimeline.currentTime, 0,
       'Length-based timeline before the startScrollOffset point');
   scroller.scrollLeft = -20;
   assert_equals(
@@ -230,7 +230,7 @@ test(function() {
   // Check the percentage-based ScrollTimeline.
   scroller.scrollLeft = -(0.19 * scrollerSize);
   assert_equals(
-      percentageScrollTimeline.currentTime, null,
+      percentageScrollTimeline.currentTime, 0,
       'Percentage-based timeline before the startScrollOffset point');
   scroller.scrollLeft = -(0.20 * scrollerSize);
   assert_equals(
@@ -246,7 +246,7 @@ test(function() {
   // Check the calc-based ScrollTimeline.
   scroller.scrollLeft = -(0.2 * scrollerSize - 10);
   assert_equals(
-      calcScrollTimeline.currentTime, null,
+      calcScrollTimeline.currentTime, 0,
       'Calc-based timeline before the startScrollOffset point');
   scroller.scrollLeft = -(0.2 * scrollerSize - 5);
   assert_equals(
@@ -296,11 +296,11 @@ test(function() {
   // Check the length-based ScrollTimeline.
   scroller.scrollLeft = -scrollerSize;
   assert_equals(
-      lengthScrollTimeline.currentTime, null,
+      lengthScrollTimeline.currentTime, lengthScrollTimeline.timeRange,
       'Length-based timeline after the endScrollOffset point');
   scroller.scrollLeft = 20 - scrollerSize;
   assert_equals(
-      lengthScrollTimeline.currentTime, null,
+      lengthScrollTimeline.currentTime, lengthScrollTimeline.timeRange,
       'Length-based timeline at the endScrollOffset point');
   scroller.scrollLeft = 50 - scrollerSize;
   assert_times_equal(
@@ -312,11 +312,11 @@ test(function() {
   // Check the percentage-based ScrollTimeline.
   scroller.scrollLeft = 0.19 * scrollerSize - scrollerSize;
   assert_equals(
-      percentageScrollTimeline.currentTime, null,
+      percentageScrollTimeline.currentTime, percentageScrollTimeline.timeRange,
       'Percentage-based timeline after the endScrollOffset point');
   scroller.scrollLeft = 0.20 * scrollerSize - scrollerSize;
   assert_equals(
-      percentageScrollTimeline.currentTime, null,
+      percentageScrollTimeline.currentTime, percentageScrollTimeline.timeRange,
       'Percentage-based timeline at the endScrollOffset point');
   scroller.scrollLeft = 0.4 * scrollerSize - scrollerSize;
   assert_times_equal(
@@ -328,11 +328,11 @@ test(function() {
   // Check the calc-based ScrollTimeline. 80% + 5px
   scroller.scrollLeft = -0.8 * scrollerSize - 10;
   assert_equals(
-      calcScrollTimeline.currentTime, null,
+      calcScrollTimeline.currentTime, calcScrollTimeline.timeRange,
       'Calc-based timeline after the endScrollOffset point');
   scroller.scrollLeft = -0.8 * scrollerSize - 5;
   assert_equals(
-      calcScrollTimeline.currentTime, null,
+      calcScrollTimeline.currentTime, calcScrollTimeline.timeRange,
       'Calc-based timeline at the endScrollOffset point');
   scroller.scrollLeft = -0.8 * scrollerSize;
   assert_times_equal(
diff --git a/tests/wpt/web-platform-tests/scroll-animations/current-time.html b/tests/wpt/web-platform-tests/scroll-animations/current-time.html
index 9db7ec6a6b5..cb710aa0890 100644
--- a/tests/wpt/web-platform-tests/scroll-animations/current-time.html
+++ b/tests/wpt/web-platform-tests/scroll-animations/current-time.html
@@ -106,64 +106,104 @@ test(function() {
     startScrollOffset: 'calc(20% - 5px)'
   });
 
-  // Unscrolled all timelines should read a current time of unresolved, as the
+  // Unscrolled all timelines should read a current time of 0, as the
   // current offset (0) will be less than the startScrollOffset.
   assert_equals(
-      lengthScrollTimeline.currentTime, null,
-      'Unscrolled length-based timeline');
+      lengthScrollTimeline.currentTime, 0,
+      'Unscrolled length-based timeline current time');
   assert_equals(
-      percentageScrollTimeline.currentTime, null,
-      'Unscrolled percentage-based timeline');
+      lengthScrollTimeline.phase, "before",
+      'Unscrolled length-based timeline phase');
   assert_equals(
-      calcScrollTimeline.currentTime, null, 'Unscrolled calc-based timeline');
+      percentageScrollTimeline.currentTime, 0,
+      'Unscrolled percentage-based timeline current time');
+  assert_equals(
+    percentageScrollTimeline.phase, "before",
+      'Unscrolled percentage-based timeline phase');
+  assert_equals(
+      calcScrollTimeline.currentTime, 0,
+      'Unscrolled calc-based timeline current time');
+  assert_equals(
+      calcScrollTimeline.phase, "before",
+      'Unscrolled calc-based timeline phase');
 
   // Check the length-based ScrollTimeline.
   scroller.scrollTop = 19;
   assert_equals(
-      lengthScrollTimeline.currentTime, null,
-      'Length-based timeline before the startScrollOffset point');
+      lengthScrollTimeline.currentTime, 0,
+      'Length-based timeline current time before the startScrollOffset'
+      + ' point');
+  assert_equals(
+      lengthScrollTimeline.phase, "before",
+      'Length-based timeline phase before the startScrollOffset point');
   scroller.scrollTop = 20;
   assert_equals(
       lengthScrollTimeline.currentTime, 0,
-      'Length-based timeline at the startScrollOffset point');
+      'Length-based timeline current time at the startScrollOffset point');
+  assert_equals(
+      lengthScrollTimeline.phase, "active",
+      'Length-based timeline phase at the startScrollOffset point');
   scroller.scrollTop = 50;
   assert_times_equal(
       lengthScrollTimeline.currentTime,
       calculateCurrentTime(50, 20, scrollerSize, scrollerSize),
-      'Length-based timeline after the startScrollOffsetPoint');
+      'Length-based timeline current time after the startScrollOffset point');
+  assert_equals(
+      lengthScrollTimeline.phase, "active",
+      'Length-based timeline phase after the startScrollOffset point');
 
   // Check the percentage-based ScrollTimeline.
   scroller.scrollTop = 0.19 * scrollerSize;
   assert_equals(
-      percentageScrollTimeline.currentTime, null,
-      'Percentage-based scroller before the startScrollOffset point');
+      percentageScrollTimeline.currentTime, 0,
+      'Percentage-based timeline current time before the startScrollOffset'
+      + ' point');
+  assert_equals(
+      percentageScrollTimeline.phase, "before",
+      'Percentage-based timeline phase before the startScrollOffset point');
   scroller.scrollTop = 0.20 * scrollerSize;
   assert_equals(
       percentageScrollTimeline.currentTime, 0,
-      'Percentage-based scroller at the startScrollOffset point');
+      'Percentage-based timeline current time at the startScrollOffset point');
+  assert_equals(
+      percentageScrollTimeline.phase, "active",
+      'Percentage-based timeline phase at the startScrollOffset point');
   scroller.scrollTop = 0.50 * scrollerSize;
   assert_times_equal(
       percentageScrollTimeline.currentTime,
       calculateCurrentTime(
           scroller.scrollTop, 0.2 * scrollerSize, scrollerSize, scrollerSize),
-      'Percentage-based scroller after the startScrollOffset point');
+      'Percentage-based timeline current time after the startScrollOffset'
+      + ' point');
+  assert_equals(
+      percentageScrollTimeline.phase, "active",
+      'Percentage-based timeline phase after the startScrollOffset point');
 
   // Check the calc-based ScrollTimeline.
   scroller.scrollTop = 0.2 * scrollerSize - 10;
   assert_equals(
-      calcScrollTimeline.currentTime, null,
-      'Calc-based scroller before the startScrollOffset point');
+      calcScrollTimeline.currentTime, 0,
+      'Calc-based timeline current time before the startScrollOffset point');
+  assert_equals(
+      calcScrollTimeline.phase, "before",
+      'Calc-based timeline phase at the startScrollOffset point');
   scroller.scrollTop = 0.2 * scrollerSize - 5;
   assert_equals(
       calcScrollTimeline.currentTime, 0,
-      'Calc-based scroller at the startScrollOffset point');
+      'Calc-based timeline current time at the startScrollOffset point');
+  assert_equals(
+      calcScrollTimeline.phase, "active",
+      'Calc-based timeline phase at the startScrollOffset point');
   scroller.scrollTop = 0.2 * scrollerSize;
   assert_times_equal(
       calcScrollTimeline.currentTime,
       calculateCurrentTime(
           scroller.scrollTop, 0.2 * scrollerSize - 5, scrollerSize,
           scrollerSize),
-      'Calc-based scroller after the startScrollOffset point');
+      'Calc-based timeline current time after the startScrollOffset point');
+  assert_equals(
+      calcScrollTimeline.phase, "active",
+      'Calc-based timeline phase at the startScrollOffset point');
 }, 'currentTime handles startScrollOffset correctly');
 
 test(function() {
@@ -195,104 +235,79 @@ test(function() {
   // Check the length-based ScrollTimeline.
   scroller.scrollTop = scrollerSize;
   assert_equals(
-      lengthScrollTimeline.currentTime, null,
-      'Length-based timeline after the endScrollOffset point');
+      lengthScrollTimeline.currentTime, lengthScrollTimeline.timeRange,
+      'Length-based timeline current time after the endScrollOffset point');
+  assert_equals(
+      lengthScrollTimeline.phase, "after",
+      'Length-based timeline phase after the endScrollOffset point');
   scroller.scrollTop = scrollerSize - 20;
   assert_equals(
-      lengthScrollTimeline.currentTime, null,
-      'Length-based timeline at the endScrollOffset point');
+      lengthScrollTimeline.currentTime, lengthScrollTimeline.timeRange,
+      'Length-based timeline current time at the endScrollOffset point');
+  assert_equals(
+      lengthScrollTimeline.phase, "after",
+      'Length-based timeline phase at the endScrollOffset point');
   scroller.scrollTop = scrollerSize - 50;
   assert_times_equal(
       lengthScrollTimeline.currentTime,
       calculateCurrentTime(
           scrollerSize - 50, 0, scrollerSize - 20, scrollerSize),
-      'Length-based timeline before the endScrollOffset point');
+      'Length-based timeline current time before the endScrollOffset point');
+  assert_equals(
+      lengthScrollTimeline.phase, "active",
+      'Length-based timeline phase before the endScrollOffset point');
 
   // Check the percentage-based ScrollTimeline.
   scroller.scrollTop = 0.81 * scrollerSize;
   assert_equals(
-      percentageScrollTimeline.currentTime, null,
-      'Percentage-based timeline after the endScrollOffset point');
+      percentageScrollTimeline.currentTime, percentageScrollTimeline.timeRange,
+      'Percentage-based timeline current time after the endScrollOffset point');
+  assert_equals(
+      percentageScrollTimeline.phase, "after",
+      'Percentage-based timeline phase after the endScrollOffset point');
   scroller.scrollTop = 0.80 * scrollerSize;
   assert_equals(
-      percentageScrollTimeline.currentTime, null,
-      'Percentage-based timeline at the endScrollOffset point');
+      percentageScrollTimeline.currentTime, percentageScrollTimeline.timeRange,
+      'Percentage-based timeline current time at the endScrollOffset point');
+  assert_equals(
+      percentageScrollTimeline.phase, "after",
+      'Percentage-based timeline phase at the endScrollOffset point');
   scroller.scrollTop = 0.50 * scrollerSize;
   assert_times_equal(
       percentageScrollTimeline.currentTime,
       calculateCurrentTime(
           scroller.scrollTop, 0, 0.8 * scrollerSize, scrollerSize),
-      'Percentage-based timeline before the endScrollOffset point');
+      'Percentage-based timeline current time before the endScrollOffset point');
+  assert_equals(
+      percentageScrollTimeline.phase, "active",
+      'Percentage-based timeline phase before the endScrollOffset point');
 
   // Check the calc-based ScrollTimeline.
   scroller.scrollTop = 0.8 * scrollerSize + 6;
   assert_equals(
-      calcScrollTimeline.currentTime, null,
-      'Calc-based timeline after the endScrollOffset point');
+      calcScrollTimeline.currentTime, calcScrollTimeline.timeRange,
+      'Calc-based timeline current time after the endScrollOffset point');
+  assert_equals(
+      calcScrollTimeline.phase, "after",
+      'Calc-based timeline phase after the endScrollOffset point');
   scroller.scrollTop = 0.8 * scrollerSize + 5;
   assert_equals(
-      calcScrollTimeline.currentTime, null,
-      'Calc-based timeline at the endScrollOffset point');
+      calcScrollTimeline.currentTime, calcScrollTimeline.timeRange,
+      'Calc-based timeline current time at the endScrollOffset point');
+  assert_equals(
+      calcScrollTimeline.phase, "after",
+      'Calc-based timeline phase at the endScrollOffset point');
   scroller.scrollTop = 0.5 * scrollerSize;
   assert_times_equal(
       calcScrollTimeline.currentTime,
       calculateCurrentTime(
           scroller.scrollTop, 0, 0.8 * scrollerSize + 5, scrollerSize),
-      'Calc-based timeline before the endScrollOffset point');
+      'Calc-based timeline current time before the endScrollOffset point');
+  assert_equals(
+      calcScrollTimeline.phase, "active",
+      'Calc-based timeline phase before the endScrollOffset point');
 }, 'currentTime handles endScrollOffset correctly');
 
-test(function() {
-  const scroller = setupScrollTimelineTest();
-  // Set the timeRange such that currentTime maps directly to the value
-  // scrolled. The contents and scroller are square, so it suffices to compute
-  // one edge and use it for all the timelines.
-  const scrollerSize = scroller.scrollHeight - scroller.clientHeight;
-
-  // When the endScrollOffset is equal to the maximum scroll offset (and there
-  // are no fill modes), the endScrollOffset is treated as inclusive.
-  const inclusiveAutoScrollTimeline = new ScrollTimeline({
-    scrollSource: scroller,
-    timeRange: scrollerSize,
-    orientation: 'block',
-    endScrollOffset: 'auto'
-  });
-  const inclusiveLengthScrollTimeline = new ScrollTimeline({
-    scrollSource: scroller,
-    timeRange: scrollerSize,
-    orientation: 'block',
-    endScrollOffset: scrollerSize + 'px'
-  });
-  const inclusivePercentageScrollTimeline = new ScrollTimeline({
-    scrollSource: scroller,
-    timeRange: scrollerSize,
-    orientation: 'block',
-    endScrollOffset: '100%'
-  });
-  const inclusiveCalcScrollTimeline = new ScrollTimeline({
-    scrollSource: scroller,
-    timeRange: scrollerSize,
-    orientation: 'block',
-    endScrollOffset: 'calc(80% + ' + (0.2 * scrollerSize) + 'px)'
-  });
-
-  scroller.scrollTop = scrollerSize;
-  let expectedCurrentTime = calculateCurrentTime(
-      scroller.scrollTop, 0, scrollerSize, scrollerSize);
-
-  assert_times_equal(
-    inclusiveAutoScrollTimeline.currentTime, expectedCurrentTime,
-    'Inclusive auto timeline at the endScrollOffset point');
-  assert_times_equal(
-    inclusiveLengthScrollTimeline.currentTime, expectedCurrentTime,
-    'Inclusive length-based timeline at the endScrollOffset point');
-  assert_times_equal(
-    inclusivePercentageScrollTimeline.currentTime, expectedCurrentTime,
-    'Inclusive percentage-based timeline at the endScrollOffset point');
-  assert_times_equal(
-    inclusiveCalcScrollTimeline.currentTime, expectedCurrentTime,
-    'Inclusive calc-based timeline at the endScrollOffset point');
-}, 'currentTime handles endScrollOffset correctly (inclusive cases)');
-
 test(function() {
   const scroller = setupScrollTimelineTest();
   // Set the timeRange such that currentTime maps directly to the value
@@ -330,7 +345,7 @@ test(function() {
   });
 
   scroller.scrollTop = 150;
-  assert_equals(scrollTimeline.currentTime, null);
+  assert_equals(scrollTimeline.currentTime, scrollTimeline.timeRange);
 }, 'currentTime handles startScrollOffset == endScrollOffset correctly');
 
 test(function() {
@@ -348,97 +363,9 @@ test(function() {
     endScrollOffset: '10px',
   });
 
-  scroller.scrollTop = 150;
-  assert_equals(scrollTimeline.currentTime, null);
+  scroller.scrollTop = 40;
+  assert_equals(scrollTimeline.currentTime, 0);
+  scroller.scrollTop = 60;
+  assert_equals(scrollTimeline.currentTime, scrollTimeline.timeRange);
 }, 'currentTime handles startScrollOffset > endScrollOffset correctly');
-
-test(function() {
-  const scroller = setupScrollTimelineTest();
-  const scrollerSize = scroller.scrollHeight - scroller.clientHeight;
-  const timeRange = 100;
-  const startScrollOffset = 20;
-  const endScrollOffset = scrollerSize - 20;
-
-  const forwardsFillingScrollTimeline = new ScrollTimeline({
-    scrollSource: scroller,
-    timeRange: timeRange,
-    orientation: 'block',
-    startScrollOffset: startScrollOffset + 'px',
-    endScrollOffset: endScrollOffset + 'px',
-    fill: 'forwards'
-  });
-  const backwardsFillingScrollTimeline = new ScrollTimeline({
-    scrollSource: scroller,
-    timeRange: timeRange,
-    orientation: 'block',
-    startScrollOffset: startScrollOffset + 'px',
-    endScrollOffset: endScrollOffset + 'px',
-    fill: 'backwards'
-  });
-  const bothFillingScrollTimeline = new ScrollTimeline({
-    scrollSource: scroller,
-    timeRange: timeRange,
-    orientation: 'block',
-    startScrollOffset: startScrollOffset + 'px',
-    endScrollOffset: endScrollOffset + 'px',
-    fill: 'both'
-  });
-  // 'auto' should be equivalent to 'both'.
-  const autoFillingScrollTimeline = new ScrollTimeline({
-    scrollSource: scroller,
-    timeRange: timeRange,
-    orientation: 'block',
-    startScrollOffset: startScrollOffset + 'px',
-    endScrollOffset: endScrollOffset + 'px',
-    fill: 'auto'
-  });
-
-  // Before the startScrollOffset the current time should be 0 for backwards or
-  // both, and unresolved otherwise.
-  scroller.scrollTop = startScrollOffset - 10;
-  assert_equals(
-      forwardsFillingScrollTimeline.currentTime, null,
-      'Before startScrollOffset forwards-filling timeline');
-  assert_equals(
-      backwardsFillingScrollTimeline.currentTime, 0,
-      'Before startScrollOffset backwards-filling timeline');
-  assert_equals(
-      bothFillingScrollTimeline.currentTime, 0,
-      'Before startScrollOffset both-filling timeline');
-  assert_equals(
-      autoFillingScrollTimeline.currentTime, 0,
-      'Before startScrollOffset auto-filling timeline');
-
-  // At the endScrollOffset the current time should be time-range for
-  // forwards or both, and unresolved otherwise.
-  scroller.scrollTop = endScrollOffset;
-  assert_equals(
-      forwardsFillingScrollTimeline.currentTime, timeRange,
-      'After endScrollOffset forwards-filling timeline');
-  assert_equals(
-      backwardsFillingScrollTimeline.currentTime, null,
-      'After endScrollOffset backwards-filling timeline');
-  assert_equals(
-      bothFillingScrollTimeline.currentTime, timeRange,
-      'After endScrollOffset both-filling timeline');
-  assert_equals(
-      autoFillingScrollTimeline.currentTime, timeRange,
-      'After endScrollOffset auto-filling timeline');
-
-  // After the endScrollOffset the current time should be time-range for
-  // forwards or both, and unresolved otherwise.
-  scroller.scrollTop = endScrollOffset + 10;
-  assert_equals(
-      forwardsFillingScrollTimeline.currentTime, timeRange,
-      'After endScrollOffset forwards-filling timeline');
-  assert_equals(
-      backwardsFillingScrollTimeline.currentTime, null,
-      'After endScrollOffset backwards-filling timeline');
-  assert_equals(
-      bothFillingScrollTimeline.currentTime, timeRange,
-      'After endScrollOffset both-filling timeline');
-  assert_equals(
-      autoFillingScrollTimeline.currentTime, timeRange,
-      'After endScrollOffset auto-filling timeline');
-}, 'currentTime handles fill modes correctly');
 </script>
diff --git a/tests/wpt/web-platform-tests/shadow-dom/slots-imperative-slot-api.tentative.html b/tests/wpt/web-platform-tests/shadow-dom/slots-imperative-slot-api.tentative.html
index 5999ec82a38..56dd71b1156 100644
--- a/tests/wpt/web-platform-tests/shadow-dom/slots-imperative-slot-api.tentative.html
+++ b/tests/wpt/web-platform-tests/shadow-dom/slots-imperative-slot-api.tentative.html
@@ -28,23 +28,29 @@ test(() => {
     <template data-mode="open" data-slot-assignment="auto">
       <slot id="s1"></slot>
     </template>
+    <div id="c1"></div>
   </div>
   <div id="host2">
     <template data-mode="open" data-slot-assignment="manual">
       <slot id="s2"></slot>
     </template>
   </div>
-  <div id="c1" slot="slot1"></div>
+  <div id="c2"></div>
 </div>
 <script>
 test(() => {
   let tTree = createTestTree(test_errors);
+  assert_array_equals(tTree.s1.assignedElements(), [tTree.c1]);
+  assert_equals(tTree.c1.assignedSlot, tTree.s1);
+
   assert_throws_dom('NotAllowedError', () => { tTree.s1.assign([]); });
+  assert_array_equals(tTree.s1.assignedElements(), [tTree.c1]);
+  assert_equals(tTree.c1.assignedSlot, tTree.s1);
 }, 'Imperative slot API throws exception when not slotAssignment != \'manual\'.');
 
 test(() => {
   let tTree = createTestTree(test_errors);
-  assert_throws_dom('NotAllowedError', () => { tTree.s2.assign([tTree.c1]); });
+  assert_throws_dom('NotAllowedError', () => { tTree.s2.assign([tTree.c2]); });
 
   assert_throws_dom('NotAllowedError', () => { tTree.s2.assign([tTree.host1]); });
 }, 'Imperative slot API throws exception when slotable parentNode != slot\'s host.');
@@ -52,7 +58,7 @@ test(() => {
 
 <div id="test_assign">
   <div id="host">
-    <template id="shadow_root" data-mode="open" data--slot-assignment="manual">
+    <template id="shadow_root" data-mode="open" data-slot-assignment="manual">
       <slot id="s1"></slot>
       <slot id="s2"></slot>
       <slot id="s3"></slot>
diff --git a/tests/wpt/web-platform-tests/webaudio/the-audio-api/the-audiocontext-interface/audiocontext-detached-execution-context.tentative.html b/tests/wpt/web-platform-tests/webaudio/the-audio-api/the-audiocontext-interface/audiocontext-detached-execution-context.tentative.html
new file mode 100644
index 00000000000..22a98e291ae
--- /dev/null
+++ b/tests/wpt/web-platform-tests/webaudio/the-audio-api/the-audiocontext-interface/audiocontext-detached-execution-context.tentative.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>
+      Testing behavior of AudioContext after execution context is detached
+    </title>
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/webaudio/resources/audit.js"></script>
+  </head>
+  <body>
+    <script id="layout-test-code">
+      const audit = Audit.createTaskRunner();
+
+      audit.define('decoding-on-detached-iframe', (task, should) => {
+        const iframe =
+            document.createElementNS("http://www.w3.org/1999/xhtml", "iframe");
+        document.body.appendChild(iframe);
+        let context = new iframe.contentWindow.AudioContext();
+        document.body.removeChild(iframe);
+
+        // TODO(crbug.com/1060315): This assertion needs to be revised when the
+        // spec behavior is clarified for the case of a non-existent
+        // ExecutionContext.
+        should(context.decodeAudioData(new ArrayBuffer(1)),
+               'decodeAudioData() upon a detached iframe')
+            .beRejectedWith('NotAllowedError')
+            .then(() => task.done());
+      });
+
+      audit.run();
+    </script>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/webaudio/the-audio-api/the-offlineaudiocontext-interface/offlineaudiocontext-detached-execution-context.tentative.html b/tests/wpt/web-platform-tests/webaudio/the-audio-api/the-offlineaudiocontext-interface/offlineaudiocontext-detached-execution-context.tentative.html
new file mode 100644
index 00000000000..ba44829f122
--- /dev/null
+++ b/tests/wpt/web-platform-tests/webaudio/the-audio-api/the-offlineaudiocontext-interface/offlineaudiocontext-detached-execution-context.tentative.html
@@ -0,0 +1,38 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>
+      Testing behavior OfflineAudioContext after execution context is detached
+    </title>
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/webaudio/resources/audit.js"></script>
+  </head>
+  <body>
+    <script id="layout-test-code">
+      const audit = Audit.createTaskRunner();
+
+      audit.define('decoding-on-detached-iframe', async (task, should) => {
+        const iframe =
+            document.createElementNS("http://www.w3.org/1999/xhtml", "iframe");
+        document.body.appendChild(iframe);
+
+        // Use the lowest value possible for the faster test.
+        let context =
+            new iframe.contentWindow.OfflineAudioContext(1, 1, 3000);
+
+        document.body.removeChild(iframe);
+
+        // TODO(crbug.com/1060315): This assertion needs to be revised when the
+        // spec behavior is clarified for the case of a non-existent
+        // ExecutionContext.
+        should(context.decodeAudioData(new ArrayBuffer(1)),
+               'decodeAudioData() upon a detached iframe')
+            .beRejectedWith('NotAllowedError')
+            .then(() => task.done());
+      });
+
+      audit.run();
+    </script>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/webrtc/RTCRtpSender.https.html b/tests/wpt/web-platform-tests/webrtc/RTCRtpSender.https.html
new file mode 100644
index 00000000000..d17115c46af
--- /dev/null
+++ b/tests/wpt/web-platform-tests/webrtc/RTCRtpSender.https.html
@@ -0,0 +1,20 @@
+<!doctype html>
+<meta charset=utf-8>
+<title>RTCRtpSender</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+  'use strict';
+
+test((t) => {
+    const pc = new RTCPeerConnection();
+    t.add_cleanup(() => pc.close());
+
+    const t1 = pc.addTransceiver("audio");
+    const t2 = pc.addTransceiver("video");
+
+    assert_not_equals(t1.sender.dtmf, null);
+    assert_equals(t2.sender.dtmf, null);
+}, "Video sender @dtmf is null");
+
+</script>
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/embedded_style_media_queries-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/embedded_style_media_queries-ref.html
index f99172ef2c1..d132b132b44 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/embedded_style_media_queries-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/embedded_style_media_queries-ref.html
@@ -1,4 +1,18 @@
 <!DOCTYPE html>
+<html class="reftest-wait">
 <title>Embedded Style: Media Queries</title>
+<script src="/common/reftest-wait.js"></script>
 <style>iframe {width:100%; height:500px}</style>
+<script>
+    onload = function() {
+        let iframeWindow = document.querySelector('iframe').contentWindow;
+        iframeWindow.requestAnimationFrame(() => {
+            iframeWindow.requestAnimationFrame(() => {
+                setTimeout(function() {
+                    takeScreenshot();
+                }, 100);
+            });
+        });
+    };
+</script>
 <iframe src="support/embedded_style_media_queries-iframe-ref.html"></iframe>
diff --git a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/embedded_style_media_queries_resized-ref.html b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/embedded_style_media_queries_resized-ref.html
index 5f1e0b96807..46c8ad47412 100644
--- a/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/embedded_style_media_queries_resized-ref.html
+++ b/tests/wpt/web-platform-tests/webvtt/rendering/cues-with-video/processing-model/embedded_style_media_queries_resized-ref.html
@@ -1,4 +1,18 @@
 <!DOCTYPE html>
+<html class="reftest-wait">
 <title>Embedded Style: Media Queries Resize Frame</title>
+<script src="/common/reftest-wait.js"></script>
 <style>iframe {width:100%; height:300px}</style>
+<script>
+    onload = function() {
+        let iframeWindow = document.querySelector('iframe').contentWindow;
+        iframeWindow.requestAnimationFrame(() => {
+            iframeWindow.requestAnimationFrame(() => {
+                setTimeout(function() {
+                    takeScreenshot();
+                }, 100);
+            });
+        });
+    };
+</script>
 <iframe src="support/embedded_style_media_queries_resized-iframe-ref.html"></iframe>
diff --git a/tests/wpt/web-platform-tests/workers/modules/resources/new-shared-worker-window.html b/tests/wpt/web-platform-tests/workers/modules/resources/new-shared-worker-window.html
index a7fee4d8559..84564fd7b6e 100644
--- a/tests/wpt/web-platform-tests/workers/modules/resources/new-shared-worker-window.html
+++ b/tests/wpt/web-platform-tests/workers/modules/resources/new-shared-worker-window.html
@@ -7,7 +7,8 @@ let worker;
 
 // Create a new shared worker for a given script url.
 window.onmessage = e => {
-  worker = new SharedWorker(e.data, { type: 'module' });
+  worker = new SharedWorker(e.data.scriptURL,
+                            { name: e.data.name, type: 'module' });
   worker.port.onmessage = msg => window.opener.postMessage(msg.data, '*');
   worker.onerror = err => {
     window.opener.postMessage(['ERROR'], '*');
diff --git a/tests/wpt/web-platform-tests/workers/modules/shared-worker-import-csp.html b/tests/wpt/web-platform-tests/workers/modules/shared-worker-import-csp.html
index 0197b300e9e..b6d8642886d 100644
--- a/tests/wpt/web-platform-tests/workers/modules/shared-worker-import-csp.html
+++ b/tests/wpt/web-platform-tests/workers/modules/shared-worker-import-csp.html
@@ -4,6 +4,9 @@
 <script src="/resources/testharnessreport.js"></script>
 <script>
 
+// This Set is for checking a shared worker in each test is newly created.
+const existingWorkers = new Set();
+
 async function openWindow(url) {
   const win = window.open(url, '_blank');
   add_result_callback(() => win.close());
@@ -29,10 +32,17 @@ function import_csp_test(
   promise_test(async () => {
     // Open a window that has the given CSP header.
     const win = await openWindow(windowURL);
+    // Construct a unique name for SharedWorker.
+    const name = `${cspHeader}_${importType}`;
+    const workerProperties = { scriptURL, name };
+    // Check if this shared worker is newly created.
+    assert_false(existingWorkers.has(workerProperties));
+    existingWorkers.add(workerProperties);
+
     // Ask the window to start a shared worker with the given CSP header.
     // The shared worker doesn't inherits the window's CSP header.
     // https://w3c.github.io/webappsec-csp/#initialize-global-object-csp
-    win.postMessage(scriptURL, '*');
+    win.postMessage(workerProperties, '*');
     const msg_event = await new Promise(resolve => window.onmessage = resolve);
     assert_array_equals(msg_event.data, expectedImportedModules);
   }, description);
diff --git a/tests/wpt/web-platform-tests/workers/modules/shared-worker-import-referrer.html b/tests/wpt/web-platform-tests/workers/modules/shared-worker-import-referrer.html
index abd4b41f79e..1096fd2ad87 100644
--- a/tests/wpt/web-platform-tests/workers/modules/shared-worker-import-referrer.html
+++ b/tests/wpt/web-platform-tests/workers/modules/shared-worker-import-referrer.html
@@ -1,9 +1,13 @@
 <!DOCTYPE html>
 <title>SharedWorker: Referrer</title>
+<meta name="timeout" content="long" />
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
 <script>
 
+// This Set is for checking a shared worker in each test is newly created.
+const existingWorkers = new Set();
+
 async function openWindow(url) {
   const win = window.open(url, '_blank');
   add_result_callback(() => win.close());
@@ -77,7 +81,17 @@ function import_referrer_test(settings, description) {
     }
 
     const win = await openWindow(windowURL);
-    win.postMessage(scriptURL, '*');
+    // Construct a unique name for SharedWorker.
+    const name = `${settings.scriptURL}_` +
+        `${settings.windowReferrerPolicy ? settings.windowReferrerPolicy
+                                         : settings.workerReferrerPolicy}` +
+        `_${settings.fetchType}`;
+    const workerProperties = { scriptURL, name };
+    // Check if this shared worker is newly created.
+    assert_false(existingWorkers.has(workerProperties));
+    existingWorkers.add(workerProperties);
+
+    win.postMessage(workerProperties, '*');
     const msgEvent = await new Promise(resolve => window.onmessage = resolve);
 
     // Generate the expected referrer, given:
diff --git a/tests/wpt/web-platform-tests/worklets/resources/referrer-tests.js b/tests/wpt/web-platform-tests/worklets/resources/referrer-tests.js
index 10cfcf4b8b4..ab24945f31d 100644
--- a/tests/wpt/web-platform-tests/worklets/resources/referrer-tests.js
+++ b/tests/wpt/web-platform-tests/worklets/resources/referrer-tests.js
@@ -1,7 +1,7 @@
-function openWindow(url) {
+function openWindow(t, url) {
   return new Promise(resolve => {
       let win = window.open(url, '_blank');
-      add_completion_callback(() => win.close());
+      t.add_cleanup(() => win.close());
       window.onmessage = e => {
         assert_equals(e.data, 'LOADED');
         resolve(win);
@@ -18,11 +18,11 @@ function openWindow(url) {
 //   referrerPolicy: 'no-referrer',
 //   scriptsOrigins: { topLevel: 'same', descendant: 'remote' }
 // };
-function runReferrerTest(settings) {
+function runReferrerTest(t, settings) {
   const kWindowURL =
       'resources/referrer-window.html' +
-      `?pipe=header(Referrer-Policy, ${settings.referrerPolicy})`;
-  return openWindow(kWindowURL).then(win => {
+      `?pipe=header(Referrer-Policy,${settings.referrerPolicy})`;
+  return openWindow(t, kWindowURL).then(win => {
     const promise = new Promise(resolve => window.onmessage = resolve);
     win.postMessage(settings, '*');
     return promise;
@@ -38,166 +38,164 @@ function runReferrerTests(workletType) {
 
   // Tests for top-level script fetch -----------------------------------------
 
-  promise_test(() => {
-    return runReferrerTest({ workletType: workletType,
-                             fetchType: 'top-level',
-                             referrerPolicy: 'no-referrer',
-                             scriptOrigins: { topLevel: 'same' } });
+  promise_test(t => {
+    return runReferrerTest(t, { workletType: workletType,
+                                fetchType: 'top-level',
+                                referrerPolicy: 'no-referrer',
+                                scriptOrigins: { topLevel: 'same' } });
   }, 'Importing a same-origin script from a page that has "no-referrer" ' +
      'referrer policy should not send referrer.');
 
-  promise_test(() => {
-    return runReferrerTest({ workletType: workletType,
-                             fetchType: 'top-level',
-                             referrerPolicy: 'no-referrer',
-                             scriptOrigins: { topLevel: 'remote' } });
+  promise_test(t => {
+    return runReferrerTest(t, { workletType: workletType,
+                                fetchType: 'top-level',
+                                referrerPolicy: 'no-referrer',
+                                scriptOrigins: { topLevel: 'remote' } });
   }, 'Importing a remote-origin script from a page that has "no-referrer" ' +
      'referrer policy should not send referrer.');
 
-  promise_test(() => {
-    return runReferrerTest({ workletType: workletType,
-                             fetchType: 'top-level',
-                             referrerPolicy: 'origin',
-                             scriptOrigins: { topLevel: 'same' } });
+  promise_test(t => {
+    return runReferrerTest(t, { workletType: workletType,
+                                fetchType: 'top-level',
+                                referrerPolicy: 'origin',
+                                scriptOrigins: { topLevel: 'same' } });
   }, 'Importing a same-origin script from a page that has "origin" ' +
      'referrer policy should send only an origin as referrer.');
 
-  promise_test(() => {
-    return runReferrerTest({ workletType: workletType,
-                             fetchType: 'top-level',
-                             referrerPolicy: 'origin',
-                             scriptOrigins: { topLevel: 'remote' } });
+  promise_test(t => {
+    return runReferrerTest(t, { workletType: workletType,
+                                fetchType: 'top-level',
+                                referrerPolicy: 'origin',
+                                scriptOrigins: { topLevel: 'remote' } });
   }, 'Importing a remote-origin script from a page that has "origin" ' +
      'referrer policy should send only an origin as referrer.');
 
-  promise_test(() => {
-    return runReferrerTest({ workletType: workletType,
-                             fetchType: 'top-level',
-                             referrerPolicy: 'same-origin',
-                             scriptOrigins: { topLevel: 'same' } });
+  promise_test(t => {
+    return runReferrerTest(t, { workletType: workletType,
+                                fetchType: 'top-level',
+                                referrerPolicy: 'same-origin',
+                                scriptOrigins: { topLevel: 'same' } });
   }, 'Importing a same-origin script from a page that has "same-origin" ' +
      'referrer policy should send referrer.');
 
-  promise_test(() => {
-    return runReferrerTest({ workletType: workletType,
-                             fetchType: 'top-level',
-                             referrerPolicy: 'same-origin',
-                             scriptOrigins: { topLevel: 'remote' } });
+  promise_test(t => {
+    return runReferrerTest(t, { workletType: workletType,
+                                fetchType: 'top-level',
+                                referrerPolicy: 'same-origin',
+                                scriptOrigins: { topLevel: 'remote' } });
   }, 'Importing a remote-origin script from a page that has "same-origin" ' +
      'referrer policy should not send referrer.');
 
   // Tests for descendant script fetch -----------------------------------------
 
   // Referrer policy: no-referrer.
-  promise_test(() => {
-    return runReferrerTest({ workletType: workletType,
-                             fetchType: 'descendant',
-                             referrerPolicy: 'no-referrer',
-                             scriptOrigins: { topLevel: 'same',
-                                              descendant: 'same' } });
+  promise_test(t => {
+    return runReferrerTest(t, { workletType: workletType,
+                                fetchType: 'descendant',
+                                referrerPolicy: 'no-referrer',
+                                scriptOrigins: { topLevel: 'same',
+                                                 descendant: 'same' } });
   }, 'Importing a same-origin script from a same-origin worklet script that ' +
      'has "no-referrer" referrer policy should not send referrer.');
 
-  promise_test(() => {
-    return runReferrerTest({ workletType: workletType,
-                             fetchType: 'descendant',
-                             referrerPolicy: 'no-referrer',
-                             scriptOrigins: { topLevel: 'same',
-                                              descendant: 'remote' } });
+  promise_test(t => {
+    return runReferrerTest(t, { workletType: workletType,
+                                fetchType: 'descendant',
+                                referrerPolicy: 'no-referrer',
+                                scriptOrigins: { topLevel: 'same',
+                                                 descendant: 'remote' } });
   }, 'Importing a remote-origin script from a same-origin worklet script ' +
      'that has "no-referrer" referrer policy should not send referrer.');
 
-  promise_test(() => {
-    return runReferrerTest({ workletType: workletType,
-                             fetchType: 'descendant',
-                             referrerPolicy: 'no-referrer',
-                             scriptOrigins: { topLevel: 'remote',
-                                              descendant: 'same' } });
+  promise_test(t => {
+    return runReferrerTest(t, { workletType: workletType,
+                                fetchType: 'descendant',
+                                referrerPolicy: 'no-referrer',
+                                scriptOrigins: { topLevel: 'remote',
+                                                 descendant: 'same' } });
   }, 'Importing a same-origin script from a remote-origin worklet script ' +
      'that has "no-referrer" referrer policy should not send referrer.');
 
-  promise_test(() => {
-    return runReferrerTest({ workletType: workletType,
-                             fetchType: 'descendant',
-                             referrerPolicy: 'no-referrer',
-                             scriptOrigins: { topLevel: 'remote',
-                                              descendant: 'remote' } });
+  promise_test(t => {
+    return runReferrerTest(t, { workletType: workletType,
+                                fetchType: 'descendant',
+                                referrerPolicy: 'no-referrer',
+                                scriptOrigins: { topLevel: 'remote',
+                                                 descendant: 'remote' } });
   }, 'Importing a remote-origin script from a remote-origin worklet script ' +
      'that has "no-referrer" referrer policy should not send referrer.');
 
   // Referrer policy: origin.
-  promise_test(() => {
-    return runReferrerTest({ workletType: workletType,
-                             fetchType: 'descendant',
-                             referrerPolicy: 'origin',
-                             scriptOrigins: { topLevel: 'same',
-                                              descendant: 'same' } });
+  promise_test(t => {
+    return runReferrerTest(t, { workletType: workletType,
+                                fetchType: 'descendant',
+                                referrerPolicy: 'origin',
+                                scriptOrigins: { topLevel: 'same',
+                                                 descendant: 'same' } });
   }, 'Importing a same-origin script from a same-origin worklet script that ' +
      'has "origin" referrer policy should send referrer.');
 
-  promise_test(() => {
-    return runReferrerTest({ workletType: workletType,
-                             fetchType: 'descendant',
-                             referrerPolicy: 'origin',
-                             scriptOrigins: { topLevel: 'same',
-                                              descendant: 'remote' } });
+  promise_test(t => {
+    return runReferrerTest(t, { workletType: workletType,
+                                fetchType: 'descendant',
+                                referrerPolicy: 'origin',
+                                scriptOrigins: { topLevel: 'same',
+                                                 descendant: 'remote' } });
   }, 'Importing a remote-origin script from a same-origin worklet script ' +
      'that has "origin" referrer policy should send referrer.');
 
-  promise_test(() => {
-    return runReferrerTest({ workletType: workletType,
-                             fetchType: 'descendant',
-                             referrerPolicy: 'origin',
-                             scriptOrigins: { topLevel: 'remote',
-                                              descendant: 'same' } });
+  promise_test(t => {
+    return runReferrerTest(t, { workletType: workletType,
+                                fetchType: 'descendant',
+                                referrerPolicy: 'origin',
+                                scriptOrigins: { topLevel: 'remote',
+                                                 descendant: 'same' } });
   }, 'Importing a same-origin script from a remote-origin worklet script ' +
      'that has "origin" referrer policy should send referrer.');
 
-  promise_test(() => {
-    return runReferrerTest({ workletType: workletType,
-                             fetchType: 'descendant',
-                             referrerPolicy: 'origin',
-                             scriptOrigins: { topLevel: 'remote',
-                                              descendant: 'remote' } });
+  promise_test(t => {
+    return runReferrerTest(t, { workletType: workletType,
+                                fetchType: 'descendant',
+                                referrerPolicy: 'origin',
+                                scriptOrigins: { topLevel: 'remote',
+                                                 descendant: 'remote' } });
   }, 'Importing a remote-origin script from a remote-origin worklet script ' +
      'that has "origin" referrer policy should send referrer.');
 
   // Referrer policy: same-origin.
-  promise_test(() => {
-    return runReferrerTest({ workletType: workletType,
-                             fetchType: 'descendant',
-                             referrerPolicy: 'same-origin',
-                             scriptOrigins: { topLevel: 'same',
-                                              descendant: 'same' } });
+  promise_test(t => {
+    return runReferrerTest(t, { workletType: workletType,
+                                fetchType: 'descendant',
+                                referrerPolicy: 'same-origin',
+                                scriptOrigins: { topLevel: 'same',
+                                                 descendant: 'same' } });
   }, 'Importing a same-origin script from a same-origin worklet script that ' +
      'has "same-origin" referrer policy should send referrer.');
 
-  promise_test(() => {
-    return runReferrerTest({ workletType: workletType,
-                             fetchType: 'descendant',
-                             referrerPolicy: 'same-origin',
-                             scriptOrigins: { topLevel: 'same',
-                                              descendant: 'remote' } });
+  promise_test(t => {
+    return runReferrerTest(t, { workletType: workletType,
+                                fetchType: 'descendant',
+                                referrerPolicy: 'same-origin',
+                                scriptOrigins: { topLevel: 'same',
+                                                 descendant: 'remote' } });
   }, 'Importing a remote-origin script from a same-origin worklet script ' +
      'that has "same-origin" referrer policy should not send referrer.');
 
-  promise_test(() => {
-    return runReferrerTest({ workletType: workletType,
-                             fetchType: 'descendant',
-                             referrerPolicy: 'same-origin',
-                             scriptOrigins: { topLevel: 'remote',
-                                              descendant: 'same' } });
+  promise_test(t => {
+    return runReferrerTest(t, { workletType: workletType,
+                                fetchType: 'descendant',
+                                referrerPolicy: 'same-origin',
+                                scriptOrigins: { topLevel: 'remote',
+                                                 descendant: 'same' } });
   }, 'Importing a same-origin script from a remote-origin worklet script ' +
      'that has "same-origin" referrer policy should not send referrer.');
 
-  promise_test(() => {
-    return runReferrerTest({ workletType: workletType,
-                             fetchType: 'descendant',
-                             referrerPolicy: 'same-origin',
-                             scriptOrigins: { topLevel: 'remote',
-                                              descendant: 'remote' } });
+  promise_test(t => {
+    return runReferrerTest(t, { workletType: workletType,
+                                fetchType: 'descendant',
+                                referrerPolicy: 'same-origin',
+                                scriptOrigins: { topLevel: 'remote',
+                                                 descendant: 'remote' } });
   }, 'Importing a remote-origin script from a remote-origin worklet script ' +
      'that has "same-origin" referrer policy should send referrer.');
-
-  // TODO(domfarolino): Add tests for more referrer policies.
 }