From aec530632a71aa004e2a67373226f6a69d79fc09 Mon Sep 17 00:00:00 2001
From: WPT Sync Bot <josh+wptsync@joshmatthews.net>
Date: Thu, 24 Sep 2020 08:19:13 +0000
Subject: [PATCH] Update web-platform-tests to revision
 fbe1d224ce01b0844030db54a3cc6060c6d6c17a

---
 .../FileAPI/url/url-charset.window.js.ini     |   8 -
 .../CSS2/floats/hit-test-floats-003.html.ini  |   4 +
 .../CSS2/floats/hit-test-floats-004.html.ini  |   4 +
 .../math-script-level-001.tentative.html.ini  |  16 ++
 .../trailing-space-in-inline-box.html.ini     |  10 +
 .../offsetTopLeft-border-box.html.ini         |   7 +
 .../fetch/content-type/response.window.js.ini |  15 +-
 .../fetch/content-type/script.window.js.ini   |   3 -
 .../traverse_the_history_3.html.ini           |   4 +
 .../embedded-opener-remove-frame.html.ini     |   4 -
 .../iframe_sandbox_popups_escaping-2.html.ini |   2 +-
 ...rame_sandbox_popups_nonescaping-1.html.ini |   3 +-
 ...rame_sandbox_popups_nonescaping-2.html.ini |   2 +-
 ...rame_sandbox_popups_nonescaping-3.html.ini |   3 +-
 .../form-double-submit-3.html.ini             |   4 -
 .../parsing/DOMContentLoaded-defer.html.ini   |   4 -
 .../ignore-opens-during-unload.window.js.ini  |   2 +-
 .../webmessaging/with-ports/018.html.ini      |   5 +
 .../FileAPI/url/url-charset.window.js.ini     |   8 -
 tests/wpt/metadata/MANIFEST.json              | 269 +++++++++++++-----
 .../CSS2/floats/hit-test-floats-003.html.ini  |   4 +
 .../CSS2/floats/hit-test-floats-004.html.ini  |   4 +
 .../math-script-level-001.tentative.html.ini  |  16 ++
 .../trailing-space-in-inline-box.html.ini     |  10 +
 .../offsetTopLeft-border-box.html.ini         |   7 +
 .../fetch/content-type/response.window.js.ini |  15 +-
 .../fetch/content-type/script.window.js.ini   |   3 -
 .../traverse_the_history_3.html.ini           |   4 +
 .../embedded-opener-remove-frame.html.ini     |   4 -
 .../iframe_sandbox_popups_escaping-2.html.ini |   2 +-
 ...rame_sandbox_popups_nonescaping-1.html.ini |   3 +-
 ...rame_sandbox_popups_nonescaping-2.html.ini |   2 +-
 ...rame_sandbox_popups_nonescaping-3.html.ini |   3 +-
 .../form-double-submit-3.html.ini             |   4 -
 .../parsing/DOMContentLoaded-defer.html.ini   |   4 -
 .../ignore-opens-during-unload.window.js.ini  |   2 +-
 .../webmessaging/with-ports/018.html.ini      |   5 +
 .../flex-aspect-ratio-img-row-008.html        |   2 +-
 .../flex-aspect-ratio-img-row-009.html        |   2 +-
 .../flex-minimum-height-flex-items-005.xht    |   4 +-
 .../flex-minimum-width-flex-items-005.xht     |   4 +-
 .../math-script-level-001.tentative.html      |  64 +++++
 .../math-script-level-002.tentative.html      |  74 ++---
 .../math-script-level-003.tentative-ref.html  |  25 ++
 .../math-script-level-003.tentative.html      |  29 ++
 .../math-script-level-004.tentative.html      |  14 +-
 ...vel-auto-and-math-style-001.tentative.html |   4 +-
 ...vel-auto-and-math-style-002.tentative.html |   4 +-
 ...vel-auto-and-math-style-003.tentative.html |   2 +-
 ...vel-auto-and-math-style-004.tentative.html |   2 +-
 ...vel-auto-and-math-style-005.tentative.html |   2 +-
 ...evel-font-size-clamping-001.tentative.html |   4 +-
 .../trailing-space-in-inline-box.html         |  34 +++
 .../encrypted-media/scripts/onencrypted.js    |   2 +-
 .../scripts/reset-src-after-setmediakeys.js   |   2 +-
 ...n-in-different-site-iframes-outer.sub.html |   2 +-
 .../generic-sensor-feature-policy-test.sub.js |   5 +-
 .../windows/clear-window-name.https.html      |  51 ++--
 ...ross-origin-isolated-permission.https.html |  44 +--
 .../resources/iframe-domain-failure.sub.html  |   3 +
 .../window-domain-failure.https.sub.html      |  23 +-
 .../images/revoked-blob-print-ref.html        |   3 +
 .../images/revoked-blob-print.html            |  24 ++
 .../interfaces/WebCryptoAPI.idl               |   2 +-
 .../interfaces/css-layout-api.idl             | 146 ----------
 .../interfaces/payment-request.idl            |  14 -
 .../interfaces/scroll-animations.idl          |  23 +-
 .../css-styling/attribute-mapping-002.html    |  14 +-
 .../presentational-hints-001-ref.html         |   2 +-
 .../css-styling/presentational-hints-001.html |   2 +-
 .../mediasource-worker-attach.html            |  40 +++
 .../mediasource-worker-objecturl.html         |  27 ++
 .../mediasource-worker-objecturl.js           |  23 ++
 .../mediasource-worker-util.js                |  78 +++++
 .../merchant-validation/META.yml              |   3 +
 .../complete-method.tentative.https.html}     |   0
 .../constructor.tentative.https.html}         |   0
 .../constructortentative..http.html}          |   0
 .../document-domain.sub.https.html            |  38 +++
 .../document-domain.sub.https.html.headers    |   1 +
 .../origin-isolation/resources/frame.html     |   3 +
 .../resources/frame.html.headers              |   1 +
 .../features/non-object.https.html            |   2 +-
 .../features/non-string.https.html            |   2 +-
 .../features/resources/helper.mjs             |   4 +-
 .../features/valid-with-semicolon.https.html  |   2 +-
 .../policies/op10 cspfp-valid.json            |   2 +-
 .../policies/op2 cspfp-double-top-level.json  |   4 +-
 .../policies/op5 cspfp-non-object.json        |   2 +-
 .../policies/op6 cspfp-non-string.json        |   2 +-
 .../screen-capture/getdisplaymedia.https.html |  57 +++-
 ...k-enabled-by-feature-policy.https.sub.html |   5 +-
 .../getScreens.tentative.https.window.js      |  31 +-
 .../isMultiScreen.tentative.https.window.js   |  35 ++-
 .../registration-script-module.https.html     |  13 +
 .../registration-script.https.html            |   5 +-
 .../resources/registration-tests-script.js    |  38 +--
 .../shapes/reftests/disabled-shapes-01.svg    |  10 +
 .../polygon-with-filtered-marker.html         |  10 +
 .../web-share/share-url-invalid.https.html    |   6 +
 ...b-allowed-by-feature-policy.https.sub.html |   6 +-
 ...r-terminate-forever-during-evaluation.html |  82 ++++--
 ...orker-run-forever-during-dynamic-import.js |   3 +
 ...Worker-run-forever-during-importScripts.js |   3 +
 .../workers/support/Worker-run-forever.js     |   1 +
 105 files changed, 1097 insertions(+), 543 deletions(-)
 delete mode 100644 tests/wpt/metadata-layout-2020/FileAPI/url/url-charset.window.js.ini
 create mode 100644 tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-003.html.ini
 create mode 100644 tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-004.html.ini
 create mode 100644 tests/wpt/metadata-layout-2020/css/css-fonts/math-script-level-and-math-style/math-script-level-001.tentative.html.ini
 create mode 100644 tests/wpt/metadata-layout-2020/css/css-text/white-space/trailing-space-in-inline-box.html.ini
 create mode 100644 tests/wpt/metadata-layout-2020/css/cssom-view/offsetTopLeft-border-box.html.ini
 create mode 100644 tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_3.html.ini
 delete mode 100644 tests/wpt/metadata-layout-2020/html/semantics/forms/form-submission-0/form-double-submit-3.html.ini
 delete mode 100644 tests/wpt/metadata-layout-2020/html/syntax/parsing/DOMContentLoaded-defer.html.ini
 create mode 100644 tests/wpt/metadata-layout-2020/webmessaging/with-ports/018.html.ini
 delete mode 100644 tests/wpt/metadata/FileAPI/url/url-charset.window.js.ini
 create mode 100644 tests/wpt/metadata/css/CSS2/floats/hit-test-floats-003.html.ini
 create mode 100644 tests/wpt/metadata/css/CSS2/floats/hit-test-floats-004.html.ini
 create mode 100644 tests/wpt/metadata/css/css-fonts/math-script-level-and-math-style/math-script-level-001.tentative.html.ini
 create mode 100644 tests/wpt/metadata/css/css-text/white-space/trailing-space-in-inline-box.html.ini
 create mode 100644 tests/wpt/metadata/css/cssom-view/offsetTopLeft-border-box.html.ini
 create mode 100644 tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_3.html.ini
 delete mode 100644 tests/wpt/metadata/html/semantics/forms/form-submission-0/form-double-submit-3.html.ini
 delete mode 100644 tests/wpt/metadata/html/syntax/parsing/DOMContentLoaded-defer.html.ini
 create mode 100644 tests/wpt/metadata/webmessaging/with-ports/018.html.ini
 create mode 100644 tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-001.tentative.html
 create mode 100644 tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-003.tentative-ref.html
 create mode 100644 tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-003.tentative.html
 create mode 100644 tests/wpt/web-platform-tests/css/css-text/white-space/trailing-space-in-inline-box.html
 create mode 100644 tests/wpt/web-platform-tests/html/rendering/replaced-elements/images/revoked-blob-print-ref.html
 create mode 100644 tests/wpt/web-platform-tests/html/rendering/replaced-elements/images/revoked-blob-print.html
 delete mode 100644 tests/wpt/web-platform-tests/interfaces/css-layout-api.idl
 create mode 100644 tests/wpt/web-platform-tests/media-source/dedicated-worker/mediasource-worker-attach.html
 create mode 100644 tests/wpt/web-platform-tests/media-source/dedicated-worker/mediasource-worker-objecturl.html
 create mode 100644 tests/wpt/web-platform-tests/media-source/dedicated-worker/mediasource-worker-objecturl.js
 create mode 100644 tests/wpt/web-platform-tests/media-source/dedicated-worker/mediasource-worker-util.js
 create mode 100644 tests/wpt/web-platform-tests/merchant-validation/META.yml
 rename tests/wpt/web-platform-tests/{payment-request/MerchantValidationEvent/complete-method.https.html => merchant-validation/complete-method.tentative.https.html} (100%)
 rename tests/wpt/web-platform-tests/{payment-request/MerchantValidationEvent/constructor.https.html => merchant-validation/constructor.tentative.https.html} (100%)
 rename tests/wpt/web-platform-tests/{payment-request/MerchantValidationEvent/constructor.http.html => merchant-validation/constructortentative..http.html} (100%)
 create mode 100644 tests/wpt/web-platform-tests/origin-isolation/document-domain.sub.https.html
 create mode 100644 tests/wpt/web-platform-tests/origin-isolation/document-domain.sub.https.html.headers
 create mode 100644 tests/wpt/web-platform-tests/origin-isolation/resources/frame.html
 create mode 100644 tests/wpt/web-platform-tests/origin-isolation/resources/frame.html.headers
 create mode 100644 tests/wpt/web-platform-tests/service-workers/service-worker/registration-script-module.https.html
 create mode 100644 tests/wpt/web-platform-tests/svg/shapes/reftests/polygon-with-filtered-marker.html
 create mode 100644 tests/wpt/web-platform-tests/workers/support/Worker-run-forever-during-dynamic-import.js

diff --git a/tests/wpt/metadata-layout-2020/FileAPI/url/url-charset.window.js.ini b/tests/wpt/metadata-layout-2020/FileAPI/url/url-charset.window.js.ini
deleted file mode 100644
index a9005e45d6e..00000000000
--- a/tests/wpt/metadata-layout-2020/FileAPI/url/url-charset.window.js.ini
+++ /dev/null
@@ -1,8 +0,0 @@
-[url-charset.window.html]
-  expected: TIMEOUT
-  [Blob charset should override any auto-detected charset.]
-    expected: TIMEOUT
-
-  [Blob charset should override <meta charset>.]
-    expected: TIMEOUT
-
diff --git a/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-003.html.ini b/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-003.html.ini
new file mode 100644
index 00000000000..f29da48a2a0
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-003.html.ini
@@ -0,0 +1,4 @@
+[hit-test-floats-003.html]
+  [Miss float below something else]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-004.html.ini b/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-004.html.ini
new file mode 100644
index 00000000000..4bfb0c2053a
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-004.html.ini
@@ -0,0 +1,4 @@
+[hit-test-floats-004.html]
+  [Miss float below something else]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/css-fonts/math-script-level-and-math-style/math-script-level-001.tentative.html.ini b/tests/wpt/metadata-layout-2020/css/css-fonts/math-script-level-and-math-style/math-script-level-001.tentative.html.ini
new file mode 100644
index 00000000000..fc434aaca6b
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/css-fonts/math-script-level-and-math-style/math-script-level-001.tentative.html.ini
@@ -0,0 +1,16 @@
+[math-script-level-001.tentative.html]
+  [Inherited values of math-depth]
+    expected: FAIL
+
+  [Specified math-depth: add(<integer>)]
+    expected: FAIL
+
+  [Specified math-depth: <integer>]
+    expected: FAIL
+
+  [Specified math-depth: auto-add]
+    expected: FAIL
+
+  [Initial value of math-depth]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/css-text/white-space/trailing-space-in-inline-box.html.ini b/tests/wpt/metadata-layout-2020/css/css-text/white-space/trailing-space-in-inline-box.html.ini
new file mode 100644
index 00000000000..2d033278891
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/css-text/white-space/trailing-space-in-inline-box.html.ini
@@ -0,0 +1,10 @@
+[trailing-space-in-inline-box.html]
+  [Preserved trailing spaces in inline boxes should hang]
+    expected: FAIL
+
+  [Preserved trailing spaces in inline boxes should hang 2]
+    expected: FAIL
+
+  [Preserved trailing spaces in inline boxes should hang 1]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/offsetTopLeft-border-box.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/offsetTopLeft-border-box.html.ini
new file mode 100644
index 00000000000..239c35135e4
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/offsetTopLeft-border-box.html.ini
@@ -0,0 +1,7 @@
+[offsetTopLeft-border-box.html]
+  [container: 1]
+    expected: FAIL
+
+  [container: 0]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/fetch/content-type/response.window.js.ini b/tests/wpt/metadata-layout-2020/fetch/content-type/response.window.js.ini
index 7f559dc22c6..0d44a823cc7 100644
--- a/tests/wpt/metadata-layout-2020/fetch/content-type/response.window.js.ini
+++ b/tests/wpt/metadata-layout-2020/fetch/content-type/response.window.js.ini
@@ -315,21 +315,12 @@
   [<iframe>: separate response Content-Type: text/html */*;charset=gbk]
     expected: FAIL
 
-  [<iframe>: separate response Content-Type: text/plain */*;charset=gbk]
+  [<iframe>: separate response Content-Type: text/html;" text/plain]
     expected: FAIL
 
-  [<iframe>: combined response Content-Type: text/html;charset=gbk text/plain text/html]
+  [<iframe>: separate response Content-Type: text/html;x=" text/plain]
     expected: FAIL
 
-  [<iframe>: combined response Content-Type: text/html;x=" text/plain]
-    expected: FAIL
-
-  [<iframe>: combined response Content-Type: text/html;" text/plain]
-    expected: FAIL
-
-  [<iframe>: separate response Content-Type: text/html */*]
-    expected: FAIL
-
-  [<iframe>: combined response Content-Type: text/html;" \\" text/plain]
+  [<iframe>: separate response Content-Type: text/html;" \\" text/plain]
     expected: FAIL
 
diff --git a/tests/wpt/metadata-layout-2020/fetch/content-type/script.window.js.ini b/tests/wpt/metadata-layout-2020/fetch/content-type/script.window.js.ini
index ac4cbcba706..d2df9b78483 100644
--- a/tests/wpt/metadata-layout-2020/fetch/content-type/script.window.js.ini
+++ b/tests/wpt/metadata-layout-2020/fetch/content-type/script.window.js.ini
@@ -53,9 +53,6 @@
   [combined text/javascript ]
     expected: FAIL
 
-  [separate text/javascript;charset=windows-1252 error text/javascript]
-    expected: FAIL
-
   [separate text/javascript x/x]
     expected: FAIL
 
diff --git a/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_3.html.ini b/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_3.html.ini
new file mode 100644
index 00000000000..51f8272a6de
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_3.html.ini
@@ -0,0 +1,4 @@
+[traverse_the_history_3.html]
+  [Multiple history traversals, last would be aborted]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/html/browsers/windows/embedded-opener-remove-frame.html.ini b/tests/wpt/metadata-layout-2020/html/browsers/windows/embedded-opener-remove-frame.html.ini
index 8e2a63e3b7f..b91c29e0274 100644
--- a/tests/wpt/metadata-layout-2020/html/browsers/windows/embedded-opener-remove-frame.html.ini
+++ b/tests/wpt/metadata-layout-2020/html/browsers/windows/embedded-opener-remove-frame.html.ini
@@ -1,8 +1,4 @@
 [embedded-opener-remove-frame.html]
-  expected: CRASH
   [opener of discarded nested browsing context]
     expected: FAIL
 
-  [opener of discarded auxiliary browsing context]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-2.html.ini b/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-2.html.ini
index e63fe7c263e..c6f45be1eb2 100644
--- a/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-2.html.ini
+++ b/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-2.html.ini
@@ -1,5 +1,5 @@
 [iframe_sandbox_popups_escaping-2.html]
-  expected: CRASH
+  expected: TIMEOUT
   [Check that popups from a sandboxed iframe escape the sandbox if\n       allow-popups-to-escape-sandbox is used]
     expected: TIMEOUT
 
diff --git a/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-1.html.ini b/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-1.html.ini
index d913fcbb129..1b74d6e073d 100644
--- a/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-1.html.ini
+++ b/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-1.html.ini
@@ -1,5 +1,4 @@
 [iframe_sandbox_popups_nonescaping-1.html]
-  expected: TIMEOUT
   [Check that popups from a sandboxed iframe do not escape the sandbox]
-    expected: NOTRUN
+    expected: FAIL
 
diff --git a/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-2.html.ini b/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-2.html.ini
index 0407f0cc2b7..9eb581fcf1f 100644
--- a/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-2.html.ini
+++ b/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-2.html.ini
@@ -1,5 +1,5 @@
 [iframe_sandbox_popups_nonescaping-2.html]
-  expected: TIMEOUT
+  expected: CRASH
   [Check that popups from a sandboxed iframe do not escape the sandbox]
     expected: NOTRUN
 
diff --git a/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini b/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini
index f4f994c5d6f..7a36937927c 100644
--- a/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini
+++ b/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini
@@ -1,5 +1,4 @@
 [iframe_sandbox_popups_nonescaping-3.html]
-  expected: TIMEOUT
   [Check that popups from a sandboxed iframe do not escape the sandbox]
-    expected: NOTRUN
+    expected: FAIL
 
diff --git a/tests/wpt/metadata-layout-2020/html/semantics/forms/form-submission-0/form-double-submit-3.html.ini b/tests/wpt/metadata-layout-2020/html/semantics/forms/form-submission-0/form-double-submit-3.html.ini
deleted file mode 100644
index 9f416703229..00000000000
--- a/tests/wpt/metadata-layout-2020/html/semantics/forms/form-submission-0/form-double-submit-3.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[form-double-submit-3.html]
-  [<button> should have the same double-submit protection as <input type=submit>]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata-layout-2020/html/syntax/parsing/DOMContentLoaded-defer.html.ini b/tests/wpt/metadata-layout-2020/html/syntax/parsing/DOMContentLoaded-defer.html.ini
deleted file mode 100644
index a9677391662..00000000000
--- a/tests/wpt/metadata-layout-2020/html/syntax/parsing/DOMContentLoaded-defer.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[DOMContentLoaded-defer.html]
-  [The end: DOMContentLoaded and defer scripts]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata-layout-2020/html/webappapis/dynamic-markup-insertion/opening-the-input-stream/ignore-opens-during-unload.window.js.ini b/tests/wpt/metadata-layout-2020/html/webappapis/dynamic-markup-insertion/opening-the-input-stream/ignore-opens-during-unload.window.js.ini
index 58c9d7f8c0c..57744023f73 100644
--- a/tests/wpt/metadata-layout-2020/html/webappapis/dynamic-markup-insertion/opening-the-input-stream/ignore-opens-during-unload.window.js.ini
+++ b/tests/wpt/metadata-layout-2020/html/webappapis/dynamic-markup-insertion/opening-the-input-stream/ignore-opens-during-unload.window.js.ini
@@ -1,5 +1,5 @@
 [ignore-opens-during-unload.window.html]
-  expected: TIMEOUT
+  expected: CRASH
   [document.open should bail out when ignore-opens-during-unload is greater than 0 during visibilitychange event (open(parent) while unloading parent and child)]
     expected: TIMEOUT
 
diff --git a/tests/wpt/metadata-layout-2020/webmessaging/with-ports/018.html.ini b/tests/wpt/metadata-layout-2020/webmessaging/with-ports/018.html.ini
new file mode 100644
index 00000000000..663a1f8fa30
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/webmessaging/with-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/metadata/FileAPI/url/url-charset.window.js.ini b/tests/wpt/metadata/FileAPI/url/url-charset.window.js.ini
deleted file mode 100644
index a9005e45d6e..00000000000
--- a/tests/wpt/metadata/FileAPI/url/url-charset.window.js.ini
+++ /dev/null
@@ -1,8 +0,0 @@
-[url-charset.window.html]
-  expected: TIMEOUT
-  [Blob charset should override any auto-detected charset.]
-    expected: TIMEOUT
-
-  [Blob charset should override <meta charset>.]
-    expected: TIMEOUT
-
diff --git a/tests/wpt/metadata/MANIFEST.json b/tests/wpt/metadata/MANIFEST.json
index 4859d2c3d04..21d01e8b6b4 100644
--- a/tests/wpt/metadata/MANIFEST.json
+++ b/tests/wpt/metadata/MANIFEST.json
@@ -24611,6 +24611,23 @@
        ]
       }
      },
+     "replaced-elements": {
+      "images": {
+       "revoked-blob-print.html": [
+        "fd5c2c575457aa33f25d54175822b463f41e75d5",
+        [
+         null,
+         [
+          [
+           "/html/rendering/replaced-elements/images/revoked-blob-print-ref.html",
+           "=="
+          ]
+         ],
+         {}
+        ]
+       ]
+      }
+     },
      "the-details-element": {
       "details-page-break-after-1-print.html": [
        "cb7fc466d09226fd7833a4d8066fb64fae755392",
@@ -135314,7 +135331,7 @@
       ]
      ],
      "flex-aspect-ratio-img-row-008.html": [
-      "59ec6fc68e09be5aa807a241d2b5fbd26460f3e5",
+      "58dee77510fa96383dea0b88386a13033b68157f",
       [
        null,
        [
@@ -135327,7 +135344,7 @@
       ]
      ],
      "flex-aspect-ratio-img-row-009.html": [
-      "fab5f0bfdaf54f46ae3f2cabc8228b6de0c3799a",
+      "e7dc55d2711d90e96f60ca0a7fadfeafcb9b2bec",
       [
        null,
        [
@@ -136109,7 +136126,7 @@
       ]
      ],
      "flex-minimum-height-flex-items-005.xht": [
-      "795dda5713b4f3358846a9f725c8653182c20fee",
+      "b180d8d47ae3973b84440ed9db1e750fde83977a",
       [
        null,
        [
@@ -136382,7 +136399,7 @@
       ]
      ],
      "flex-minimum-width-flex-items-005.xht": [
-      "109cc96865b8749acced0393e098af5b199e9ecc",
+      "486b6959974c251331dd5c75b1b834fd301ecd00",
       [
        null,
        [
@@ -142845,8 +142862,21 @@
       ]
      },
      "math-script-level-and-math-style": {
+      "math-script-level-003.tentative.html": [
+       "9a4130c395252aabfce105f8a80e32484e33e937",
+       [
+        null,
+        [
+         [
+          "/css/css-fonts/math-script-level-and-math-style/math-script-level-003.tentative-ref.html",
+          "=="
+         ]
+        ],
+        {}
+       ]
+      ],
       "math-script-level-auto-and-math-style-001.tentative.html": [
-       "9ae2107ad23d7653cf779d44a175c4b3f9d1ae03",
+       "bb59dfdd17857197e26d13cbe011540c90f97afb",
        [
         null,
         [
@@ -142859,7 +142889,7 @@
        ]
       ],
       "math-script-level-auto-and-math-style-002.tentative.html": [
-       "6f1073235b4d5e13cb078b532c76ea712760998d",
+       "21c912528ab03ccff1895960cd09ee2bd3785239",
        [
         null,
         [
@@ -142872,7 +142902,7 @@
        ]
       ],
       "math-script-level-auto-and-math-style-003.tentative.html": [
-       "9d83627fa0178a7a4633d94423cdf9b1ad05b3e9",
+       "5739a12bb56eacc30f2433f701110d5fc7b44009",
        [
         null,
         [
@@ -142885,7 +142915,7 @@
        ]
       ],
       "math-script-level-auto-and-math-style-004.tentative.html": [
-       "e12734a88cf86a89a341155c64227f0c64841f1d",
+       "aed3bf9142c94d9ce699d635798137cdcd467341",
        [
         null,
         [
@@ -142898,7 +142928,7 @@
        ]
       ],
       "math-script-level-auto-and-math-style-005.tentative.html": [
-       "18b2af9e4b6f43d7cf9df43bf8a2d88ade7f62cf",
+       "01b876b515adf88ed4dafbb05b78b0277488ede5",
        [
         null,
         [
@@ -142911,7 +142941,7 @@
        ]
       ],
       "math-script-level-font-size-clamping-001.tentative.html": [
-       "8570954641d81dfd02db05fde19a2d0e474ac376",
+       "36b477aa328cb9e1a3d3f65a041106366a0557a1",
        [
         null,
         [
@@ -244046,7 +244076,7 @@
        ]
       },
       "presentational-hints-001.html": [
-       "701dbef8613361d6fd12c4bfe2b417ae85f5deec",
+       "c304a0dbbfff426c48338142322bc3ed972aa1d9",
        [
         null,
         [
@@ -246721,7 +246751,7 @@
      ],
      "reftests": {
       "disabled-shapes-01.svg": [
-       "65364dc08ff5ec3ee7d7853d10a6a348b2db999b",
+       "49572fe71e7f92f6c52a18aec3115a5bc4a63593",
        [
         null,
         [
@@ -246771,6 +246801,19 @@
         ],
         {}
        ]
+      ],
+      "polygon-with-filtered-marker.html": [
+       "def8adc6852efd36e91060e120c4f127be10b7bc",
+       [
+        null,
+        [
+         [
+          "/svg/struct/reftests/reference/green-100x100.html",
+          "=="
+         ]
+        ],
+        {}
+       ]
       ]
      }
     },
@@ -298478,6 +298521,10 @@
       ]
      },
      "math-script-level-and-math-style": {
+      "math-script-level-003.tentative-ref.html": [
+       "d73e71f41c90154f7d72e63c86aa268bd3424c9a",
+       []
+      ],
       "math-script-level-auto-and-math-style-001.tentative-ref.html": [
        "8540de41942ffa37f8457dcee3e198bb9b06b208",
        []
@@ -327718,7 +327765,7 @@
       []
      ],
      "onencrypted.js": [
-      "dbeb99d5d44cd4a02c76912489b82f92701bee3d",
+      "acf0ffacc0cb4c3256e70b8473a40801e25fd2dd",
       []
      ],
      "playback-destroy-persistent-license.js": [
@@ -327802,7 +327849,7 @@
       []
      ],
      "reset-src-after-setmediakeys.js": [
-      "acddd8dd5f451e567728c3a379da60f13ee32348",
+      "0ccce3275ecb7077bd600bb1ded1290ac76be71d",
       []
      ],
      "setmediakeys-again-after-playback.js": [
@@ -329380,7 +329427,7 @@
       []
      ],
      "focus-restoration-in-different-site-iframes-outer.sub.html": [
-      "ecc1af286d9477d1ced8e38f890685c3ad043666",
+      "fa32c67173db76be29bd26dc37338b9999597b0f",
       []
      ]
     }
@@ -330305,7 +330352,7 @@
      []
     ],
     "generic-sensor-feature-policy-test.sub.js": [
-     "da1af4132486c38af45dfbb44d0c902a6fc4ea6c",
+     "9bc46ae9364be41fdb4dc2cf47d8a231b04f6081",
      []
     ],
     "generic-sensor-iframe-tests.sub.js": [
@@ -337683,7 +337730,7 @@
          []
         ],
         "iframe-domain-failure.sub.html": [
-         "cf795c23805889f6e036873264444b631862d204",
+         "9fea70380547e12492cb472612cab379d5bbd560",
          []
         ],
         "iframe-domain-failure.sub.html.headers": [
@@ -338485,6 +338532,10 @@
         "f37d8a3ec94834673a75749a28a42638f9c2a0db",
         []
        ],
+       "revoked-blob-print-ref.html": [
+        "6b2f0bb60654721f0793e526db405fb5b28429e3",
+        []
+       ],
        "space-ref.html": [
         "0cf272e16211098b6020d5d15d0d71336ba88a59",
         []
@@ -343189,7 +343240,7 @@
      []
     ],
     "WebCryptoAPI.idl": [
-     "9e0aed0f4b0ebd18e18ffdbc16ad680e3554cf5f",
+     "246c1547bb97ea88675d0223340be85060242f34",
      []
     ],
     "WebIDL.idl": [
@@ -343308,10 +343359,6 @@
      "8866b008ccbf7dbca9d8e631da3f26013915bf00",
      []
     ],
-    "css-layout-api.idl": [
-     "f6ac4c17e27fa7df237229eb2fcec770dba22324",
-     []
-    ],
     "css-masking.idl": [
      "72fbd9aa1ffb576802102a82bf97259e3bf60078",
      []
@@ -343597,7 +343644,7 @@
      []
     ],
     "payment-request.idl": [
-     "91aab8f112be0991dc229de99158dd146ca2c6b7",
+     "9b6537c97ec6f476bd941ff929582bb90e04bb9b",
      []
     ],
     "performance-timeline.idl": [
@@ -343685,7 +343732,7 @@
      []
     ],
     "scroll-animations.idl": [
-     "df35313b48a4305f9249d9faa183081bb83dd5e0",
+     "3ef9f5452906509e5c9bc88bdaf31fbf2b3ff8a8",
      []
     ],
     "scroll-to-text-fragment.idl": [
@@ -344627,7 +344674,7 @@
        ]
       },
       "presentational-hints-001-ref.html": [
-       "af27310fb592aade8b81e2df4bcb5a239c84d291",
+       "3d71d72fb34f35074962afc50fc7909bc55d3975",
        []
       ],
       "presentational-hints-002-ref.html": [
@@ -345052,6 +345099,16 @@
      "d1252f5af1b6718b54e4efbfb1f740e53b154561",
      []
     ],
+    "dedicated-worker": {
+     "mediasource-worker-objecturl.js": [
+      "db47da0c0a658f456b9c0cb682db2fee2859931d",
+      []
+     ],
+     "mediasource-worker-util.js": [
+      "e0c4bdc0e10bb5707f7af75bf6cafa293a6f7b9b",
+      []
+     ]
+    },
     "generate-config-change-tests.py": [
      "6ab2c8bf46b8cc2b8633663e2b815cb3b24d2ec3",
      []
@@ -345355,6 +345412,12 @@
      ]
     }
    },
+   "merchant-validation": {
+    "META.yml": [
+     "20ab3ff9ef350d009bea344ccb05a454ecde5c21",
+     []
+    ]
+   },
    "mimesniff": {
     "META.yml": [
      "fd41c87fad8ebd7d86c6f5d8be47eaa61953a777",
@@ -346158,6 +346221,10 @@
      "ea3f6b335c7620acf59f546fd48484bf624ccb38",
      []
     ],
+    "document-domain.sub.https.html.headers": [
+     "ea3f6b335c7620acf59f546fd48484bf624ccb38",
+     []
+    ],
     "getter-special-cases": {
      "csp-sandbox-no.https.html.headers": [
       "4705ce9dedeeabf8208bf602176511c0cbe2cb76",
@@ -346271,6 +346338,14 @@
       "9292fe3894e4a82f77a8877b76faa19fe6dfdb47",
       []
      ],
+     "frame.html": [
+      "8f35d2703e72eb316b1e46f602ae6fc1d5894285",
+      []
+     ],
+     "frame.html.headers": [
+      "ea3f6b335c7620acf59f546fd48484bf624ccb38",
+      []
+     ],
      "helpers.mjs": [
       "8bd1c8e9250071257ca1abda991e173d449fe0da",
       []
@@ -346333,7 +346408,7 @@
     "features": {
      "resources": {
       "helper.mjs": [
-       "7ced355e645c7bafd96aa55ef175cb995311aff9",
+       "0ea3b01101494ad244a75c7d29ec3e8bdacc9832",
        []
       ],
       "no-camera-no-geolocation.mjs": [
@@ -346360,7 +346435,7 @@
       []
      ],
      "op10 cspfp-valid.json": [
-      "0fc1d163f2b61951813eae9ca84f2d4fe7f59703",
+      "c3bea5c7bcc2bed5d0c1ec362f01748611f40fc2",
       []
      ],
      "op100 manifest-mimetype.json": [
@@ -346392,7 +346467,7 @@
       []
      ],
      "op2 cspfp-double-top-level.json": [
-      "26d798b585d96fd29994dc39544a15bd2f6a639d",
+      "59c34190fd903f7a609c062576a6485eff7474cf",
       []
      ],
      "op3 cspfp-double-second-level.json": [
@@ -346404,11 +346479,11 @@
       []
      ],
      "op5 cspfp-non-object.json": [
-      "7488f9bfef297e069d10845c2048f1ea261850da",
+      "1e404608b59308dae34b560e7d3accd6a65cda51",
       []
      ],
      "op6 cspfp-non-string.json": [
-      "5c6941bf8fd18928e6c1d4cea381f625f9923ee5",
+      "231e7d4326f48100abac9d5269d51f58d1e6a4c5",
       []
      ],
      "op7 csp-noimg-report-only.json": [
@@ -351953,7 +352028,7 @@
        []
       ],
       "registration-tests-script.js": [
-       "4d08efd21f873f689880904e86aff2c12fad99a5",
+       "f400bb91af93eb0f1ba9dca587d6ac8f53a63370",
        []
       ],
       "registration-tests-security-error.js": [
@@ -367261,8 +367336,12 @@
       "1e01b0a52b586b00cbbb28b2352959f7fa150e39",
       []
      ],
+     "Worker-run-forever-during-dynamic-import.js": [
+      "62840bd5b4ffad5e9b122a9971f271c1d9604abe",
+      []
+     ],
      "Worker-run-forever-during-importScripts.js": [
-      "3a0fb4bb06321c74cc2a8a32b6f1ed752c89b054",
+      "6a3083f382158dbe9bbfa744f7afe25e19bccca6",
       []
      ],
      "Worker-run-forever-during-nested-importScripts.js": [
@@ -367270,7 +367349,7 @@
       []
      ],
      "Worker-run-forever.js": [
-      "679f908c202584e931f655803603ea387cba5731",
+      "2d822d407f4c83fe7321cbd4cb1168626de05eea",
       []
      ],
      "Worker-structure-message.js": [
@@ -397346,15 +397425,22 @@
       ]
      ],
      "math-script-level-and-math-style": {
+      "math-script-level-001.tentative.html": [
+       "f2ae5bf35bd24413bfd3feeee1215c74218dc753",
+       [
+        null,
+        {}
+       ]
+      ],
       "math-script-level-002.tentative.html": [
-       "e6de63dbe90ae8d712b3269829cbc3ed89b80b3e",
+       "ab0f8fa9553f053e006c346d5f12f4119bc58193",
        [
         null,
         {}
        ]
       ],
       "math-script-level-004.tentative.html": [
-       "b534b6a7712af62d3184c4a71f48b7a56a1e146b",
+       "a46c478596ba82548da9361257e20f0a3d838b34",
        [
         null,
         {}
@@ -409409,6 +409495,13 @@
         {}
        ]
       ],
+      "trailing-space-in-inline-box.html": [
+       "fee51018799c6bb9923fa92754c89d5fe8aa7394",
+       [
+        null,
+        {}
+       ]
+      ],
       "trailing-space-position-001.html": [
        "648ae23dccbeb5d79a30fd14506a6f4164b2f26f",
        [
@@ -443889,7 +443982,7 @@
        ]
       ],
       "clear-window-name.https.html": [
-       "1ddbb7f31119d1987d0ec151988a70427d527465",
+       "39798f1e232f2ba109d64afdcf5031b06620207b",
        [
         null,
         {
@@ -461209,7 +461302,7 @@
       ]
      ],
      "cross-origin-isolated-permission.https.html": [
-      "da3a632a3c3707a164e1f3fd3f961bf3ed5aac22",
+      "aec1b858542bd95dce04bf0773af8138854acc69",
       [
        null,
        {}
@@ -463456,7 +463549,7 @@
         ]
        ],
        "window-domain-failure.https.sub.html": [
-        "1175b56fb0463449a4a589ed86cb26d27533d0a5",
+        "2deff50d8dd91642f337ae19a3df733837fe8c83",
         [
          null,
          {}
@@ -483219,7 +483312,7 @@
        ]
       ],
       "attribute-mapping-002.html": [
-       "904ed0343fc3015e1fafe5b9c564d17ea906d9ea",
+       "e4532321e4a5b20944ff4181b2ad9b967ee31213",
        [
         null,
         {}
@@ -483919,6 +484012,22 @@
       {}
      ]
     ],
+    "dedicated-worker": {
+     "mediasource-worker-attach.html": [
+      "b09f05c248531029b9b787597af1ae84e0b65ccd",
+      [
+       null,
+       {}
+      ]
+     ],
+     "mediasource-worker-objecturl.html": [
+      "382a9a4f3632a53cd2a94dab121fe34a07d9238d",
+      [
+       null,
+       {}
+      ]
+     ]
+    },
     "idlharness.window.js": [
      "9300f67fe04f21454a96bb14f6f0b8a059d8e00d",
      [
@@ -485093,6 +485202,29 @@
      ]
     ]
    },
+   "merchant-validation": {
+    "complete-method.tentative.https.html": [
+     "36bfdb2160a7c7f71a64ecec07024b700bb1de60",
+     [
+      null,
+      {}
+     ]
+    ],
+    "constructor.tentative.https.html": [
+     "9fdf78ddb3dea4de72e48d1ae5288c0a9f161d68",
+     [
+      null,
+      {}
+     ]
+    ],
+    "constructortentative..http.html": [
+     "8368c79a3b1dea2df26bbc804208002ec97fbf09",
+     [
+      null,
+      {}
+     ]
+    ]
+   },
    "mimesniff": {
     "mime-types": {
      "charset-parameter.window.js": [
@@ -490237,6 +490369,13 @@
       {}
      ]
     ],
+    "document-domain.sub.https.html": [
+     "6910b022052b403f6c9f15d6dc12e797065e16ce",
+     [
+      null,
+      {}
+     ]
+    ],
     "getter-special-cases": {
      "csp-sandbox-no.https.html": [
       "16ecb45192950d29329c6bd54a6b561f281b07a2",
@@ -490608,21 +490747,21 @@
       ]
      ],
      "non-object.https.html": [
-      "2bd4b67e600c9bbb655461f161e1ad6da6619663",
+      "d1be8e89377ff832f4f67eff62e79bb95d759eee",
       [
        null,
        {}
       ]
      ],
      "non-string.https.html": [
-      "190d224a4cfe05bb1a4ea57b104f7d31d862fdcc",
+      "99645fc6d9dd062ba4184d666074f43012c530e4",
       [
        null,
        {}
       ]
      ],
      "valid-with-semicolon.https.html": [
-      "8d2d0f4495ff7f401991accc044f21fef115ad75",
+      "53ea7a94019664eb798aabfe36e3d0b4ecc8c9f0",
       [
        null,
        {}
@@ -491486,29 +491625,6 @@
     ]
    },
    "payment-request": {
-    "MerchantValidationEvent": {
-     "complete-method.https.html": [
-      "36bfdb2160a7c7f71a64ecec07024b700bb1de60",
-      [
-       null,
-       {}
-      ]
-     ],
-     "constructor.http.html": [
-      "8368c79a3b1dea2df26bbc804208002ec97fbf09",
-      [
-       null,
-       {}
-      ]
-     ],
-     "constructor.https.html": [
-      "9fdf78ddb3dea4de72e48d1ae5288c0a9f161d68",
-      [
-       null,
-       {}
-      ]
-     ]
-    },
     "PaymentMethodChangeEvent": {
      "methodDetails-attribute.https.html": [
       "feaaef66adf8a433868d33bcf722525af6c0d2ba",
@@ -505664,7 +505780,7 @@
      ]
     ],
     "getdisplaymedia.https.html": [
-     "4b433d717df3127b815fdf8608d12ac2d2806174",
+     "aae81d2f823944d5a718b6419e5267119f66fefc",
      [
       null,
       {
@@ -505855,7 +505971,7 @@
      ]
     ],
     "wakelock-enabled-by-feature-policy.https.sub.html": [
-     "f908717ff410d736ccb42e89c3e95c4852e82696",
+     "53e92f55167f68c0e902dc017833b6a2c04b0bad",
      [
       null,
       {
@@ -505982,7 +506098,7 @@
    },
    "screen_enumeration": {
     "getScreens.tentative.https.window.js": [
-     "ad982b219cbe2baa540e37f27e4096d274ac09a2",
+     "acd38bb03b20cb4e087dcaf1ce17b9cb0b504048",
      [
       "screen_enumeration/getScreens.tentative.https.window.html",
       {
@@ -506011,7 +506127,7 @@
      ]
     ],
     "isMultiScreen.tentative.https.window.js": [
-     "515731cc04fc7b0026f5972d9a5b96e649d8bc9e",
+     "ac32dd05169e0a9cebeab0ff05a32fe36167362e",
      [
       "screen_enumeration/isMultiScreen.tentative.https.window.html",
       {
@@ -508669,6 +508785,13 @@
        {}
       ]
      ],
+     "registration-script-module.https.html": [
+      "9e39a1f75b27de492d5eb3842aaa254d2f662687",
+      [
+       null,
+       {}
+      ]
+     ],
      "registration-script-url.https.html": [
       "bda61adb00271ffe78b3e38e055427eb203313d5",
       [
@@ -508677,7 +508800,7 @@
       ]
      ],
      "registration-script.https.html": [
-      "f70b9e676260637c5d10bb8b36e6bacb6f5b3b6b",
+      "f1e51fd265e21271537769343e0e3e05032e76b7",
       [
        null,
        {}
@@ -527390,7 +527513,7 @@
      ]
     ],
     "share-url-invalid.https.html": [
-     "d7ffd3b11ce3a60beb8c3466d8156f6ca55a4204",
+     "cb76458c24c5632f4a97d3f8f5a744fc46d7b6a0",
      [
       null,
       {
@@ -536154,7 +536277,7 @@
      ]
     ],
     "usb-allowed-by-feature-policy.https.sub.html": [
-     "9ec25eadba301d4617766157b09112f475f6160d",
+     "831cb42cab614b62e261e227c5423f6d7a70746a",
      [
       null,
       {}
@@ -538452,7 +538575,7 @@
      ]
     ],
     "Worker-terminate-forever-during-evaluation.html": [
-     "a45a4cd210516abc709d15fc0b55ec331bd2576c",
+     "4513c5b53790d11b4e26b0fd38a4e9bee9f1c9ad",
      [
       null,
       {}
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-003.html.ini
new file mode 100644
index 00000000000..f29da48a2a0
--- /dev/null
+++ b/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-003.html.ini
@@ -0,0 +1,4 @@
+[hit-test-floats-003.html]
+  [Miss float below something else]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-004.html.ini b/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-004.html.ini
new file mode 100644
index 00000000000..4bfb0c2053a
--- /dev/null
+++ b/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-004.html.ini
@@ -0,0 +1,4 @@
+[hit-test-floats-004.html]
+  [Miss float below something else]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/css/css-fonts/math-script-level-and-math-style/math-script-level-001.tentative.html.ini b/tests/wpt/metadata/css/css-fonts/math-script-level-and-math-style/math-script-level-001.tentative.html.ini
new file mode 100644
index 00000000000..fc434aaca6b
--- /dev/null
+++ b/tests/wpt/metadata/css/css-fonts/math-script-level-and-math-style/math-script-level-001.tentative.html.ini
@@ -0,0 +1,16 @@
+[math-script-level-001.tentative.html]
+  [Inherited values of math-depth]
+    expected: FAIL
+
+  [Specified math-depth: add(<integer>)]
+    expected: FAIL
+
+  [Specified math-depth: <integer>]
+    expected: FAIL
+
+  [Specified math-depth: auto-add]
+    expected: FAIL
+
+  [Initial value of math-depth]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/css/css-text/white-space/trailing-space-in-inline-box.html.ini b/tests/wpt/metadata/css/css-text/white-space/trailing-space-in-inline-box.html.ini
new file mode 100644
index 00000000000..2d033278891
--- /dev/null
+++ b/tests/wpt/metadata/css/css-text/white-space/trailing-space-in-inline-box.html.ini
@@ -0,0 +1,10 @@
+[trailing-space-in-inline-box.html]
+  [Preserved trailing spaces in inline boxes should hang]
+    expected: FAIL
+
+  [Preserved trailing spaces in inline boxes should hang 2]
+    expected: FAIL
+
+  [Preserved trailing spaces in inline boxes should hang 1]
+    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
new file mode 100644
index 00000000000..239c35135e4
--- /dev/null
+++ b/tests/wpt/metadata/css/cssom-view/offsetTopLeft-border-box.html.ini
@@ -0,0 +1,7 @@
+[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 05526bbea82..82ff3abe581 100644
--- a/tests/wpt/metadata/fetch/content-type/response.window.js.ini
+++ b/tests/wpt/metadata/fetch/content-type/response.window.js.ini
@@ -315,21 +315,12 @@
   [<iframe>: separate response Content-Type: text/html */*;charset=gbk]
     expected: FAIL
 
-  [<iframe>: separate response Content-Type: text/plain */*;charset=gbk]
+  [<iframe>: separate response Content-Type: text/html;" text/plain]
     expected: FAIL
 
-  [<iframe>: combined response Content-Type: text/html;charset=gbk text/plain text/html]
+  [<iframe>: separate response Content-Type: text/html;x=" text/plain]
     expected: FAIL
 
-  [<iframe>: combined response Content-Type: text/html;x=" text/plain]
-    expected: FAIL
-
-  [<iframe>: combined response Content-Type: text/html;" text/plain]
-    expected: FAIL
-
-  [<iframe>: separate response Content-Type: text/html */*]
-    expected: FAIL
-
-  [<iframe>: combined response Content-Type: text/html;" \\" text/plain]
+  [<iframe>: separate 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 ac4cbcba706..d2df9b78483 100644
--- a/tests/wpt/metadata/fetch/content-type/script.window.js.ini
+++ b/tests/wpt/metadata/fetch/content-type/script.window.js.ini
@@ -53,9 +53,6 @@
   [combined text/javascript ]
     expected: FAIL
 
-  [separate text/javascript;charset=windows-1252 error text/javascript]
-    expected: FAIL
-
   [separate text/javascript x/x]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_3.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_3.html.ini
new file mode 100644
index 00000000000..51f8272a6de
--- /dev/null
+++ b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_3.html.ini
@@ -0,0 +1,4 @@
+[traverse_the_history_3.html]
+  [Multiple history traversals, last would be aborted]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/browsers/windows/embedded-opener-remove-frame.html.ini b/tests/wpt/metadata/html/browsers/windows/embedded-opener-remove-frame.html.ini
index 2532dceabac..49b12655f9a 100644
--- a/tests/wpt/metadata/html/browsers/windows/embedded-opener-remove-frame.html.ini
+++ b/tests/wpt/metadata/html/browsers/windows/embedded-opener-remove-frame.html.ini
@@ -1,11 +1,7 @@
 [embedded-opener-remove-frame.html]
-  expected: CRASH
   [opener and "removed" embedded documents]
     expected: FAIL
 
   [opener of discarded nested browsing context]
     expected: FAIL
 
-  [opener of discarded auxiliary browsing context]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-2.html.ini b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-2.html.ini
index e63fe7c263e..c6f45be1eb2 100644
--- a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-2.html.ini
+++ b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-2.html.ini
@@ -1,5 +1,5 @@
 [iframe_sandbox_popups_escaping-2.html]
-  expected: CRASH
+  expected: TIMEOUT
   [Check that popups from a sandboxed iframe escape the sandbox if\n       allow-popups-to-escape-sandbox is used]
     expected: TIMEOUT
 
diff --git a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-1.html.ini b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-1.html.ini
index 9df1ac56f2a..3f7e3e9544f 100644
--- a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-1.html.ini
+++ b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-1.html.ini
@@ -1,6 +1,5 @@
 [iframe_sandbox_popups_nonescaping-1.html]
   type: testharness
-  expected: TIMEOUT
   [Check that popups from a sandboxed iframe do not escape the sandbox]
-    expected: NOTRUN
+    expected: FAIL
 
diff --git a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-2.html.ini b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-2.html.ini
index d43f38b40cd..45d8be1c898 100644
--- a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-2.html.ini
+++ b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-2.html.ini
@@ -1,6 +1,6 @@
 [iframe_sandbox_popups_nonescaping-2.html]
   type: testharness
-  expected: TIMEOUT
+  expected: CRASH
   [Check that popups from a sandboxed iframe do not escape the sandbox]
     expected: NOTRUN
 
diff --git a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini
index e440b1e38c6..dc856a3d5a3 100644
--- a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini
+++ b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini
@@ -1,6 +1,5 @@
 [iframe_sandbox_popups_nonescaping-3.html]
   type: testharness
-  expected: TIMEOUT
   [Check that popups from a sandboxed iframe do not escape the sandbox]
-    expected: NOTRUN
+    expected: FAIL
 
diff --git a/tests/wpt/metadata/html/semantics/forms/form-submission-0/form-double-submit-3.html.ini b/tests/wpt/metadata/html/semantics/forms/form-submission-0/form-double-submit-3.html.ini
deleted file mode 100644
index 9f416703229..00000000000
--- a/tests/wpt/metadata/html/semantics/forms/form-submission-0/form-double-submit-3.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[form-double-submit-3.html]
-  [<button> should have the same double-submit protection as <input type=submit>]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/html/syntax/parsing/DOMContentLoaded-defer.html.ini b/tests/wpt/metadata/html/syntax/parsing/DOMContentLoaded-defer.html.ini
deleted file mode 100644
index a9677391662..00000000000
--- a/tests/wpt/metadata/html/syntax/parsing/DOMContentLoaded-defer.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[DOMContentLoaded-defer.html]
-  [The end: DOMContentLoaded and defer scripts]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/opening-the-input-stream/ignore-opens-during-unload.window.js.ini b/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/opening-the-input-stream/ignore-opens-during-unload.window.js.ini
index 69bd952d756..910c88d3e81 100644
--- a/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/opening-the-input-stream/ignore-opens-during-unload.window.js.ini
+++ b/tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/opening-the-input-stream/ignore-opens-during-unload.window.js.ini
@@ -1,5 +1,5 @@
 [ignore-opens-during-unload.window.html]
-  expected: TIMEOUT
+  expected: CRASH
   [ignore-opens-during-unload]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/webmessaging/with-ports/018.html.ini b/tests/wpt/metadata/webmessaging/with-ports/018.html.ini
new file mode 100644
index 00000000000..663a1f8fa30
--- /dev/null
+++ b/tests/wpt/metadata/webmessaging/with-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/css/css-flexbox/flex-aspect-ratio-img-row-008.html b/tests/wpt/web-platform-tests/css/css-flexbox/flex-aspect-ratio-img-row-008.html
index 59ec6fc68e0..58dee77510f 100644
--- a/tests/wpt/web-platform-tests/css/css-flexbox/flex-aspect-ratio-img-row-008.html
+++ b/tests/wpt/web-platform-tests/css/css-flexbox/flex-aspect-ratio-img-row-008.html
@@ -8,5 +8,5 @@
 <p>Test passes if there is a filled green square.</p>
 
 <div style="display: flex; width: 100px;">
-  <img src="data:image/svg+xml,%3Csvg viewBox='0 0 200 400' width='50px' xmlns='http://www.w3.org/2000/svg' %3E%3Crect width='100%' fill='green' /%3E%3C/svg%3E" style="border-left: 50px solid green; min-width: 0px;">
+  <img src="data:image/svg+xml,%3Csvg viewBox='0 0 200 400' width='50px' xmlns='http://www.w3.org/2000/svg' %3E%3Crect width='100%' height='100%' fill='green' /%3E%3C/svg%3E" style="border-left: 50px solid green; min-width: 0px;">
 </div>
diff --git a/tests/wpt/web-platform-tests/css/css-flexbox/flex-aspect-ratio-img-row-009.html b/tests/wpt/web-platform-tests/css/css-flexbox/flex-aspect-ratio-img-row-009.html
index fab5f0bfdaf..e7dc55d2711 100644
--- a/tests/wpt/web-platform-tests/css/css-flexbox/flex-aspect-ratio-img-row-009.html
+++ b/tests/wpt/web-platform-tests/css/css-flexbox/flex-aspect-ratio-img-row-009.html
@@ -22,5 +22,5 @@
 <div id=reference-overlapped-red></div>
 
 <div style="display: flex; width: 50px;">
-  <img src="data:image/svg+xml,%3Csvg viewBox='0 0 200 400' width='50px' xmlns='http://www.w3.org/2000/svg' %3E%3Crect width='100%' fill='green' /%3E%3C/svg%3E" style="border-left: 50px solid green;">
+  <img src="data:image/svg+xml,%3Csvg viewBox='0 0 200 400' width='50px' xmlns='http://www.w3.org/2000/svg' %3E%3Crect width='100%' height='100%' fill='green' /%3E%3C/svg%3E" style="border-left: 50px solid green;">
 </div>
diff --git a/tests/wpt/web-platform-tests/css/css-flexbox/flex-minimum-height-flex-items-005.xht b/tests/wpt/web-platform-tests/css/css-flexbox/flex-minimum-height-flex-items-005.xht
index 795dda5713b..b180d8d47ae 100644
--- a/tests/wpt/web-platform-tests/css/css-flexbox/flex-minimum-height-flex-items-005.xht
+++ b/tests/wpt/web-platform-tests/css/css-flexbox/flex-minimum-height-flex-items-005.xht
@@ -5,7 +5,7 @@
         <link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com" />
         <link rel="help" href="http://www.w3.org/TR/css-flexbox-1/#min-size-auto" title="4.5. Implied Minimum Size of Flex Items" />
         <link rel="match" href="../reference/ref-filled-green-100px-square.xht" />
-        <meta name="assert" content="Checks that minimum height for flex items is the specified size, as the min-content size of the image corresponds to that." />
+        <meta name="assert" content="Checks that automatic minimum height for flex items is the specified size suggestion, when that is the smallest of the available suggestions." />
         <style type="text/css"><![CDATA[
             #reference-overlapped-red {
                 position: absolute;
@@ -32,7 +32,7 @@
 
         <div id="reference-overlapped-red"></div>
         <div id="constrained-flex">
-            <img id="test-flex-item-overlapping-green" src="support/60x60-green.png" />
+            <img id="test-flex-item-overlapping-green" src="support/200x200-green.png" />
         </div>
     </body>
 </html>
diff --git a/tests/wpt/web-platform-tests/css/css-flexbox/flex-minimum-width-flex-items-005.xht b/tests/wpt/web-platform-tests/css/css-flexbox/flex-minimum-width-flex-items-005.xht
index 109cc96865b..486b6959974 100644
--- a/tests/wpt/web-platform-tests/css/css-flexbox/flex-minimum-width-flex-items-005.xht
+++ b/tests/wpt/web-platform-tests/css/css-flexbox/flex-minimum-width-flex-items-005.xht
@@ -5,7 +5,7 @@
         <link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com" />
         <link rel="help" href="http://www.w3.org/TR/css-flexbox-1/#min-size-auto" title="4.5. Implied Minimum Size of Flex Items" />
         <link rel="match" href="../reference/ref-filled-green-100px-square.xht" />
-        <meta name="assert" content="Checks that minimum width for flex items is the specified size, as the min-content size of the image corresponds to that." />
+        <meta name="assert" content="Checks that automatic minimum width for flex items is the specified size suggestion, when that is the smallest of the available suggestions." />
         <style type="text/css"><![CDATA[
             #reference-overlapped-red {
                 position: absolute;
@@ -30,7 +30,7 @@
 
         <div id="reference-overlapped-red"></div>
         <div id="constrained-flex">
-            <img id="test-flex-item-overlapping-green" src="support/60x60-green.png" />
+            <img id="test-flex-item-overlapping-green" src="support/200x200-green.png" />
         </div>
     </body>
 </html>
diff --git a/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-001.tentative.html b/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-001.tentative.html
new file mode 100644
index 00000000000..f2ae5bf35bd
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-001.tentative.html
@@ -0,0 +1,64 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>math-depth</title>
+    <meta charset="utf-8">
+    <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#the-math-script-level-property">
+    <meta name="assert" content="Check the computed value of math-depth">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script>
+      function mathDepth(id) {
+          return window.getComputedStyle(document.getElementById(id)).
+              getPropertyValue("math-depth");
+      }
+      setup({ explicit_done: true });
+      window.addEventListener("load", function() {
+          test(function() {
+              assert_equals(mathDepth("initial"), "0");
+              assert_equals(mathDepth("initialFrom11"), "0");
+          }, "Initial value of math-depth");
+          test(function() {
+              assert_equals(mathDepth("inherited11"), "11");
+              assert_equals(mathDepth("inherited-7"), "-7");
+          }, "Inherited values of math-depth");
+          test(function() {
+              assert_equals(mathDepth("inherited9specifiedAutoInline"), "10");
+              assert_equals(mathDepth("inherited9specifiedAutoDisplay"), "9");
+          }, "Specified math-depth: auto-add");
+          test(function() {
+              assert_equals(mathDepth("specified11"), "11");
+              assert_equals(mathDepth("specified-7"), "-7");
+          }, "Specified math-depth: <integer>");
+          test(function() {
+              assert_equals(mathDepth("specifiedAdd10From5"), "15");
+              assert_equals(mathDepth("specifiedAdd-15From5"), "-10");
+          }, "Specified math-depth: add(<integer>)");
+          done();
+      });
+    </script>
+  </head>
+  <body>
+    <div id="log"></div>
+    <div id="initial"></div>
+    <div id="specified11" style="math-depth: 11">
+      <div id="initialFrom11" style="math-depth: initial"></div>
+      <div id="inherited11"></div>
+    </div>
+    <div id="specified-7" style="math-depth: -7">
+      <div id="inherited-7"></div>
+    </div>
+    <div style="math-depth: 9">
+      <div style="math-style: compact">
+        <div id="inherited9specifiedAutoInline" style="math-depth: auto-add" ></div>
+      </div>
+      <div style="math-style: normal">
+        <div id="inherited9specifiedAutoDisplay" style="math-depth: auto-add" ></div>
+      </div>
+    </div>
+    <div style="math-depth: 5">
+      <div id="specifiedAdd10From5" style="math-depth: add(10)"></div>
+      <div id="specifiedAdd-15From5" style="math-depth: add(-15)"></div>
+    </div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-002.tentative.html b/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-002.tentative.html
index e6de63dbe90..ab0f8fa9553 100644
--- a/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-002.tentative.html
+++ b/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-002.tentative.html
@@ -6,7 +6,7 @@
     <link rel="help" href="https://github.com/w3c/csswg-drafts/issues/3746">
     <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#the-math-script-level-property">
     <link rel="help" href="https://www.w3.org/TR/cssom-1/#serialize-a-css-component-value">
-    <meta name="assert" content="Verify effect of font-size: scriptlevel(auto) | scriptlevel(add(<integer>)) | scriptlevel(<integer>), starting from different values of math-script-level.">
+    <meta name="assert" content="Verify effect of math-depth: auto-add | add(<integer) | (<integer>, starting from different values of math-depth.">
     <script src="/resources/testharness.js"></script>
     <script src="/resources/testharnessreport.js"></script>
     <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
@@ -81,111 +81,111 @@
       <div class="container">
         <div>
           <div style="font-size: 200px; math-style: normal">
-            <div id="autoDisplay" style="font-size: scriptlevel(auto)"></div>
+            <div id="autoDisplay" style="font-size: math; math-depth: auto-add"></div>
           </div>
           <div style="font-size: 500px; math-style: compact">
-            <div id="autoInline" style="font-size: scriptlevel(auto)"></div>
+            <div id="autoInline" style="font-size: math; math-depth: auto-add"></div>
           </div>
         </div>
         <div style="font-size: 2000px;">
-          <div style="math-style: normal; font-size: scriptlevel(7)">
-            <div id="autoDisplayFrom7" style="font-size: scriptlevel(auto)"></div>
+          <div style="math-style: normal; font-size: math; math-depth: 7">
+            <div id="autoDisplayFrom7" style="font-size: math; math-depth: auto-add"></div>
           </div>
-          <div style="math-style: compact; font-size: scriptlevel(7)">
-            <div id="autoInlineFrom7" style="font-size: scriptlevel(auto)"></div>
+          <div style="math-style: compact; font-size: math; math-depth: 7">
+            <div id="autoInlineFrom7" style="font-size: math; math-depth: auto-add"></div>
           </div>
         </div>
         <div>
           <div style="font-size: 200px">
-            <div id="add0" style="font-size: scriptlevel(add(0))"></div>
+            <div id="add0" style="font-size: math; math-depth: add(0)"></div>
           </div>
           <div style="font-size: 71px">
-            <div id="add-1" style="font-size: scriptlevel(add(-1))"></div>
+            <div id="add-1" style="font-size: math; math-depth: add(-1)"></div>
           </div>
           <div style="font-size: 500px">
-            <div id="add1" style="font-size: scriptlevel(add(1))"></div>
+            <div id="add1" style="font-size: math; math-depth: add(1)"></div>
           </div>
           <div style="font-size: 200px">
-            <div id="add-2" style="font-size: scriptlevel(add(-2))"></div>
+            <div id="add-2" style="font-size: math; math-depth: add(-2)"></div>
           </div>
           <div style="font-size: 1000px">
-            <div id="add2" style="font-size: scriptlevel(add(2))"></div>
+            <div id="add2" style="font-size: math; math-depth: add(2)"></div>
           </div>
           <div style="font-size: 30px">
-            <div id="add-9" style="font-size: scriptlevel(add(-9))"></div>
+            <div id="add-9" style="font-size: math; math-depth: add(-9)"></div>
           </div>
           <div style="font-size: 2000px">
-            <div id="add9" style="font-size: scriptlevel(add(9))"></div>
+            <div id="add9" style="font-size: math; math-depth: add(9)"></div>
           </div>
         </div>
-        <div style="font-size: scriptlevel(3);">
+        <div style="math-depth: 3;">
           <div style="font-size: 200px;">
-            <div id="add0from3" style="font-size: scriptlevel(add(0))"></div>
+            <div id="add0from3" style="font-size: math; math-depth: add(0)"></div>
           </div>
           <div style="font-size: 71px;">
-            <div id="add-1from3" style="font-size: scriptlevel(add(-1))"></div>
+            <div id="add-1from3" style="font-size: math; math-depth: add(-1)"></div>
           </div>
           <div style="font-size: 500px;">
-            <div id="add1from3" style="font-size: scriptlevel(add(1))"></div>
+            <div id="add1from3" style="font-size: math; math-depth: add(1)"></div>
           </div>
           <div style="font-size: 200px;">
-            <div id="add-2from3" style="font-size: scriptlevel(add(-2))"></div>
+            <div id="add-2from3" style="font-size: math; math-depth: add(-2)"></div>
           </div>
           <div style="font-size: 1000px;">
-            <div id="add2from3" style="font-size: scriptlevel(add(2))"></div>
+            <div id="add2from3" style="font-size: math; math-depth: add(2)"></div>
           </div>
           <div style="font-size: 30px;">
-            <div id="add-9from3" style="font-size: scriptlevel(add(-9))"></div>
+            <div id="add-9from3" style="font-size: math; math-depth: add(-9)"></div>
           </div>
           <div style="font-size: 2000px;">
-            <div id="add9from3" style="font-size: scriptlevel(add(9))"></div>
+            <div id="add9from3" style="font-size: math; math-depth: add(9)"></div>
           </div>
         </div>
         <div>
           <div style="font-size: 200px">
-            <div id="set0" style="font-size: scriptlevel(0)"></div>
+            <div id="set0" style="font-size: math; math-depth: 0"></div>
           </div>
           <div style="font-size: 71px">
-            <div id="set-1" style="font-size: scriptlevel(-1)"></div>
+            <div id="set-1" style="font-size: math; math-depth: -1"></div>
           </div>
           <div style="font-size: 500px">
-            <div id="set1" style="font-size: scriptlevel(1)"></div>
+            <div id="set1" style="font-size: math; math-depth: 1"></div>
           </div>
           <div style="font-size: 200px">
-            <div id="set-2" style="font-size: scriptlevel(-2)"></div>
+            <div id="set-2" style="font-size: math; math-depth: -2"></div>
           </div>
           <div style="font-size: 1000px">
-            <div id="set2" style="font-size: scriptlevel(2)"></div>
+            <div id="set2" style="font-size: math; math-depth: 2"></div>
           </div>
           <div style="font-size: 30px">
-            <div id="set-9" style="font-size: scriptlevel(-9)"></div>
+            <div id="set-9" style="font-size: math; math-depth: -9"></div>
           </div>
           <div style="font-size: 2000px">
-            <div id="set9" style="font-size: scriptlevel(9)"></div>
+            <div id="set9" style="font-size: math; math-depth: 9"></div>
           </div>
         </div>
       </div>
-        <div style="font-size: scriptlevel(50)">
+        <div style="math-depth: 50">
           <div style="font-size: 200px;">
-            <div id="set50" style="font-size: scriptlevel(50)"></div>
+            <div id="set50" style="font-size: math; math-depth: 50"></div>
           </div>
           <div style="font-size: 71px;">
-            <div id="set49" style="font-size: scriptlevel(49)"></div>
+            <div id="set49" style="font-size: math; math-depth: 49"></div>
           </div>
           <div style="font-size: 500px;">
-            <div id="set51" style="font-size: scriptlevel(51)"></div>
+            <div id="set51" style="font-size: math; math-depth: 51"></div>
           </div>
           <div style="font-size: 200px;">
-            <div id="set48" style="font-size: scriptlevel(48)"></div>
+            <div id="set48" style="font-size: math; math-depth: 48"></div>
           </div>
           <div style="font-size: 1000px;">
-            <div id="set52" style="font-size: scriptlevel(52)"></div>
+            <div id="set52" style="font-size: math; math-depth: 52"></div>
           </div>
           <div style="font-size: 30px;">
-            <div id="set41" style="font-size: scriptlevel(41)"></div>
+            <div id="set41" style="font-size: math; math-depth: 41"></div>
           </div>
           <div style="font-size: 2000px;">
-            <div id="set59" style="font-size: scriptlevel(59)"></div>
+            <div id="set59" style="font-size: math; math-depth: 59"></div>
           </div>
         </div>
       </div>
diff --git a/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-003.tentative-ref.html b/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-003.tentative-ref.html
new file mode 100644
index 00000000000..d73e71f41c9
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-003.tentative-ref.html
@@ -0,0 +1,25 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>math-depth</title>
+    <meta charset="utf-8">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
+    <style>
+      .container {
+          /* Ahem font does not have a MATH table so the font-size scale factor
+             is always 0.71^{computed - inherited math script level} */
+          font: 100px/1 Ahem;
+      }
+    </style>
+  </head>
+  <body>
+    <p>Test passes if you see two squares of side 100px.</p>
+    <div class="container">
+      <div>X</div>
+    </div>
+    <br/>
+    <div class="container">
+      <div>X</div>
+    </div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-003.tentative.html b/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-003.tentative.html
new file mode 100644
index 00000000000..9a4130c3952
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-003.tentative.html
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>math-depth</title>
+    <meta charset="utf-8">
+    <link rel="help" href="https://github.com/w3c/csswg-drafts/issues/3746">
+    <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#the-math-script-level-property">
+    <meta name="assert" content="If specified font-size is not 'math' then math-depth does not affect the computed value of font-size.">
+    <link rel="match" href="math-script-level-003.tentative-ref.html">
+    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
+    <style>
+      .container {
+          /* Ahem font does not have a MATH table so the font-size scale factor
+             is always 0.71^{computed - inherited math script level} */
+          font: 100px/1 Ahem;
+      }
+    </style>
+  </head>
+  <body>
+    <p>Test passes if you see two squares of side 100px.</p>
+    <div class="container" style="math-script-level: 3;">
+      <div style="math-level: 9; font-size: 100px;">X</div>
+    </div>
+    <br/>
+    <div class="container" style="math-script-level: 3;">
+      <div style="math-level: 9;">X</div>
+    </div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-004.tentative.html b/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-004.tentative.html
index b534b6a7712..a46c478596b 100644
--- a/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-004.tentative.html
+++ b/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-004.tentative.html
@@ -37,13 +37,13 @@
       }
       .big { font-size: 3000px; }
       .small { font-size: 150px; }
-      .level-3 { font-size: scriptlevel(-3); }
-      .level-1 { font-size: scriptlevel(-1); }
-      .level0 { font-size: scriptlevel(0); }
-      .level1 { font-size: scriptlevel(1); }
-      .level2 { font-size: scriptlevel(2); }
-      .level3 { font-size: scriptlevel(3); }
-      .level5 { font-size: scriptlevel(5); }
+      .level-3 { font-size: math; math-depth: -3; }
+      .level-1 { font-size: math; math-depth: -1; }
+      .level0 { font-size: math; math-depth: 0; }
+      .level1 { font-size: math; math-depth: 1; }
+      .level2 { font-size: math; math-depth: 2; }
+      .level3 { font-size: math; math-depth: 3; }
+      .level5 { font-size: math; math-depth: 5; }
     </style>
     <script>
       const big = 3000;
diff --git a/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-001.tentative.html b/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-001.tentative.html
index 9ae2107ad23..bb59dfdd178 100644
--- a/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-001.tentative.html
+++ b/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-001.tentative.html
@@ -6,7 +6,7 @@
     <link rel="help" href="https://github.com/w3c/csswg-drafts/issues/3746">
     <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#the-math-script-level-property">
     <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#the-math-style-property">
-    <meta name="assert" content="If font-size is scriptlevel('auto') and the inherited value of math-style is 'display' then the internal scriptlevel is the one of its parent.">
+    <meta name="assert" content="If specified font-size is math and specified math-depth is 'auto-add' and the inherited value of math-style is 'normal' then the computed math-depth is the one of its parent.">
     <link rel="match" href="math-script-level-auto-and-math-style-001.tentative-ref.html">
     <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
@@ -20,7 +20,7 @@
   <body>
     <p>Test passes if you see a square of side 100 × 0.71^(0 − 0) = 100px.</p>
     <div class="container" style="math-style: normal;">
-      <div style="font-size: scriptlevel(auto)">X</div>
+      <div style="font-size: math; math-depth: auto-add">X</div>
     </div>
   </body>
 </html>
diff --git a/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-002.tentative.html b/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-002.tentative.html
index 6f1073235b4..21c912528ab 100644
--- a/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-002.tentative.html
+++ b/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-002.tentative.html
@@ -6,7 +6,7 @@
     <link rel="help" href="https://github.com/w3c/csswg-drafts/issues/3746">
     <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#the-math-script-level-property">
     <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#the-math-style-property">
-    <meta name="assert" content="If font-size is scriptlevel('auto') and the inherited value of math-style is 'inline' then the internal scriptlevel is the one of its parent.">
+    <meta name="assert" content="If the specified font-size is 'math' and specified math-depth is 'auto-add' and the inherited value of math-style is 'compact' then the computed math-depth is the one of its parent.">
     <link rel="match" href="math-script-level-auto-and-math-style-002.tentative-ref.html">
     <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     <style>
@@ -20,7 +20,7 @@
   <body>
     <p>Test passes if you see a square of side 500 × 0.71^(1 − 0) = 355px.</p>
     <div class="container" style="math-style: compact;">
-      <div style="font-size: scriptlevel(auto)">X</div>
+      <div style="font-size: math; math-depth: auto-add">X</div>
     </div>
   </body>
 </html>
diff --git a/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-003.tentative.html b/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-003.tentative.html
index 9d83627fa01..5739a12bb56 100644
--- a/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-003.tentative.html
+++ b/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-003.tentative.html
@@ -20,7 +20,7 @@
   <body>
     <p>Test passes if you see a square of side 500px.</p>
     <div class="container">
-      <div style="font-size: scriptlevel(auto)">X</div>
+      <div style="font-size: math; math-depth: auto-add">X</div>
     </div>
   </body>
 </html>
diff --git a/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-004.tentative.html b/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-004.tentative.html
index e12734a88cf..aed3bf9142c 100644
--- a/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-004.tentative.html
+++ b/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-004.tentative.html
@@ -22,7 +22,7 @@
     <div class="container">
       <div style="math-style: compact">
         <div style="math-style: initial">
-          <div style="font-size: scriptlevel(auto)">X</div>
+          <div style="font-size: math; math-depth: auto-add">X</div>
         </div>
       </div>
     </div>
diff --git a/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-005.tentative.html b/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-005.tentative.html
index 18b2af9e4b6..01b876b515a 100644
--- a/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-005.tentative.html
+++ b/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-auto-and-math-style-005.tentative.html
@@ -23,7 +23,7 @@
       <div style="math-style: normal;">
         <div>
           <div>
-            <div style="font-size: scriptlevel(auto)">X</div>
+            <div style="font-size: math; math-depth: auto-add">X</div>
           </div>
         </div>
       </div>
diff --git a/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-font-size-clamping-001.tentative.html b/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-font-size-clamping-001.tentative.html
index 8570954641d..36b477aa328 100644
--- a/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-font-size-clamping-001.tentative.html
+++ b/tests/wpt/web-platform-tests/css/css-fonts/math-script-level-and-math-style/math-script-level-font-size-clamping-001.tentative.html
@@ -19,8 +19,8 @@
   <body>
     <p>Test passes if you see a square of side 12px.</p>
     <div class="container"><!-- Initial size is 12px. -->
-      <div style="font-size: scriptlevel(add(8));"><!-- Size is 12*.71^8 = 0.7749042374949131 < 1px. -->
-        <div style="font-size: scriptlevel(add(-8));">X</div><!-- back to 12px. -->
+      <div style="font-size: math; math-depth: add(8);"><!-- Size is 12*.71^8 = 0.7749042374949131 < 1px. -->
+        <div style="font-size: math; math-depth: add(-8);">X</div><!-- back to 12px. -->
       </div>
     </div>
   </body>
diff --git a/tests/wpt/web-platform-tests/css/css-text/white-space/trailing-space-in-inline-box.html b/tests/wpt/web-platform-tests/css/css-text/white-space/trailing-space-in-inline-box.html
new file mode 100644
index 00000000000..fee51018799
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-text/white-space/trailing-space-in-inline-box.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<title>Preserved trailing spaces in inline boxes should hang</title>
+<link rel="help" href="https://drafts.csswg.org/css-text-3/#propdef-white-space">
+<link rel="help" href="http://crbug.com/1130310">
+<link rel="author" title="Koji Ishii" href="mailto:kojii@chromium.org">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<style>
+.target {
+  font-family: Consolas, 'Courier New', Courier, monospace;
+  font-size: 20px;
+  width: 5ch;
+  white-space: pre-wrap;
+  overflow: auto visible;
+  border: 1px solid blue;
+}
+.not-culled span {
+  background: orange;
+}
+</style>
+<body>
+  <div class="target">12345 678</div>
+  <div class="target"><span>12345 678</span></div>
+  <div class="target not-culled"><span>12345 678</span></div>
+<script>
+for (let target of document.getElementsByClassName('target')) {
+  test(() => {
+    let width = target.offsetWidth;
+    let scroll_width = target.scrollWidth;
+    assert_less_than_equal(scroll_width, width);
+  });
+}
+</script>
+</body>
diff --git a/tests/wpt/web-platform-tests/encrypted-media/scripts/onencrypted.js b/tests/wpt/web-platform-tests/encrypted-media/scripts/onencrypted.js
index dbeb99d5d44..acf0ffacc0c 100644
--- a/tests/wpt/web-platform-tests/encrypted-media/scripts/onencrypted.js
+++ b/tests/wpt/web-platform-tests/encrypted-media/scripts/onencrypted.js
@@ -25,7 +25,7 @@ function runTest(config) {
             };
 
         waitForEventAndRunStep('encrypted', video, onEncrypted, test);
-        return testmediasource(config).then(function (source) {
+        testmediasource(config).then(function (source) {
             mediaSource = source;
             config.video.src = URL.createObjectURL(mediaSource);
             return source.done;
diff --git a/tests/wpt/web-platform-tests/encrypted-media/scripts/reset-src-after-setmediakeys.js b/tests/wpt/web-platform-tests/encrypted-media/scripts/reset-src-after-setmediakeys.js
index acddd8dd5f4..0ccce3275ec 100644
--- a/tests/wpt/web-platform-tests/encrypted-media/scripts/reset-src-after-setmediakeys.js
+++ b/tests/wpt/web-platform-tests/encrypted-media/scripts/reset-src-after-setmediakeys.js
@@ -39,7 +39,7 @@ function runTest(config)
         };
 
         // Create a MediaKeys object and assign it to video.
-        return navigator.requestMediaKeySystemAccess(keysystem, [configuration]).then(test.step_func(function (access) {
+        navigator.requestMediaKeySystemAccess(keysystem, [configuration]).then(test.step_func(function (access) {
             assert_equals(access.keySystem, keysystem);
             return access.createMediaKeys();
         })).then(test.step_func(function (result) {
diff --git a/tests/wpt/web-platform-tests/focus/support/focus-restoration-in-different-site-iframes-outer.sub.html b/tests/wpt/web-platform-tests/focus/support/focus-restoration-in-different-site-iframes-outer.sub.html
index ecc1af286d9..fa32c67173d 100644
--- a/tests/wpt/web-platform-tests/focus/support/focus-restoration-in-different-site-iframes-outer.sub.html
+++ b/tests/wpt/web-platform-tests/focus/support/focus-restoration-in-different-site-iframes-outer.sub.html
@@ -18,7 +18,7 @@ window.onmessage = function(e) {
     } else {
         opener.step_timeout(function() {
             opener.postMessage(getLog() + e.data, "*");
-        }, 1000);
+        }, 1500);
     }
 };
 window.onload = function() {
diff --git a/tests/wpt/web-platform-tests/generic-sensor/generic-sensor-feature-policy-test.sub.js b/tests/wpt/web-platform-tests/generic-sensor/generic-sensor-feature-policy-test.sub.js
index da1af413248..9bc46ae9364 100644
--- a/tests/wpt/web-platform-tests/generic-sensor/generic-sensor-feature-policy-test.sub.js
+++ b/tests/wpt/web-platform-tests/generic-sensor/generic-sensor-feature-policy-test.sub.js
@@ -72,13 +72,16 @@ function run_fp_tests_enabled(sensorName) {
     );
   }, `${sensorName}: ${header} allows same-origin iframes.`);
 
+  // Set allow="feature;feature;..." on iframe element to delegate features
+  // under test to cross origin subframe.
   async_test(t => {
     assert_implements(sensorName in self, `${sensorName} is not supported.`);
     test_feature_availability(
       desc,
       t,
       cross_origin_src + sensorName,
-      expect_feature_available_default
+      expect_feature_available_default,
+      feature_policies[sensorName].join(";")
     );
   }, `${sensorName}: ${header} allows cross-origin iframes.`);
 }
diff --git a/tests/wpt/web-platform-tests/html/browsers/windows/clear-window-name.https.html b/tests/wpt/web-platform-tests/html/browsers/windows/clear-window-name.https.html
index 1ddbb7f3111..39798f1e232 100644
--- a/tests/wpt/web-platform-tests/html/browsers/windows/clear-window-name.https.html
+++ b/tests/wpt/web-platform-tests/html/browsers/windows/clear-window-name.https.html
@@ -18,60 +18,51 @@ function anchorClick(n) {
   hyperlink.click();
 }
 
-function pollResultAndCheck(t, id, expected) {
-  return new Promise(resolve => {
-    const stashURL = new URL("resources/window-name-stash.py", location);
-    stashURL.searchParams.set('id', id);
+async function pollResultAndCheck(t, id, expected) {
+  const stashURL = new URL("resources/window-name-stash.py", location);
+  stashURL.searchParams.set('id', id);
 
-    let checkResult = t.step_func(async () => {
-      let response = await fetch(stashURL);
-      let res = await response.text();
+  let res = "NONE";
+  while (res == "NONE") {
+    await new Promise(resolve => { t.step_timeout(resolve, 100); });
 
-
-      if (res !== "NONE") {
-        if (res !== expected) {
-          t.step(() => assert_unreached('Stash result does not equal expected result.'));
-        }
-        t.done();
-        resolve();
-      } else {
-        t.step_timeout(checkResult, 100);
-      }
-    });
-
-    t.step_timeout(checkResult, 100);
-  });
+    const response = await fetch(stashURL);
+    res = await response.text();
+  }
+  if (res !== expected) {
+    assert_unreached('Stash result does not equal expected result.')
+  }
 }
 
-async_test(async t => {
+promise_test(async t => {
   const id = token();
 
   window.open(`resources/window-name.sub.html?report=${id}|close`, id);
   await pollResultAndCheck(t, id, id);;
 }, "Window.name is not reset when there is an opener around");
 
-async_test(async t => {
+promise_test(async t => {
   const id = token();
 
   window.open(`resources/window-name.sub.html?cross|same|report=${id}|close`, id);
   await pollResultAndCheck(t, id, id);
 }, "Window.name is not reset when there is an opener around (cross-origin)");
 
-async_test(async t => {
+promise_test(async t => {
   const id = token();
 
   window.open(`resources/window-name.sub.html?report=${id}|close`, id, "noopener");
   await pollResultAndCheck(t, id, id);
 }, "Window.name is not reset at the first navigation away from initial about:blank with noopener");
 
-async_test(async t => {
+promise_test(async t => {
   const id = token();
 
   window.open(`resources/window-name.sub.html?cross|same|report=${id}|close`, id, "noopener");
   await pollResultAndCheck(t, id, "");
 }, "Window.name is reset at the first cross-origin navigation with noopener");
 
-async_test(async t => {
+promise_test(async t => {
   const id = token();
 
   let win = window.open(`resources/window-name.sub.html?report=${id}|close`, id);
@@ -79,7 +70,7 @@ async_test(async t => {
   await pollResultAndCheck(t, id, id);
 }, "Window.name is not reset at the first navigation away from initial about:blank with window.opener set to null");
 
-async_test(async t => {
+promise_test(async t => {
   const id = token();
 
   let win = window.open(`resources/window-name.sub.html?same|report=${id}|close`, id);
@@ -87,7 +78,7 @@ async_test(async t => {
   await pollResultAndCheck(t, id, id);
 }, "Window.name is not reset at the same-origin navigation with window.opener set to null");
 
-async_test(async t => {
+promise_test(async t => {
   const id = token();
 
   let win = window.open(`resources/window-name.sub.html?cross|same|report=${id}|close`, id);
@@ -95,14 +86,14 @@ async_test(async t => {
   await pollResultAndCheck(t, id, "");
 }, "Window.name is reset at the first first cross-origin navigation with window.opener set to null");
 
-async_test(async t => {
+promise_test(async t => {
   const id = token();
 
   anchorClick(`resources/window-name.sub.html?set=${id}|report=${id}|close`);
   await pollResultAndCheck(t, id, id);
 }, "Window.name is set by the window");
 
-async_test(async t => {
+promise_test(async t => {
   const id = token();
 
   anchorClick(`resources/window-name.sub.html?set=${id}|cross|same|report=${id}|close`);
diff --git a/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/cross-origin-isolated-permission.https.html b/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/cross-origin-isolated-permission.https.html
index da3a632a3c3..aec1b858542 100644
--- a/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/cross-origin-isolated-permission.https.html
+++ b/tests/wpt/web-platform-tests/html/cross-origin-embedder-policy/cross-origin-isolated-permission.https.html
@@ -13,12 +13,23 @@ const PIPE =
   '|header(cross-origin-embedder-policy,require-corp)' +
   '|header(cross-origin-resource-policy,cross-origin)';
 
-async function getCrossOriginIsolatedFor(t, url) {
-  const frame = document.createElement('iframe');
-  t.add_cleanup(() => frame.remove());
-  frame.src = url;
-  document.body.append(frame);
+async function getCrossOriginIsolatedFor(t, origin, value) {
+  const parentFrame = document.createElement('iframe');
+  t.add_cleanup(() => parentFrame.remove());
+  let pipe = PIPE;
+  if (value !== undefined) {
+    pipe += `|header(permissions-policy,cross-origin-isolated=${value})`;
+  }
+  parentFrame.src = `${PATH}${pipe}`;
+  document.body.append(parentFrame);
 
+  await new Promise((resolve) => {
+    parentFrame.addEventListener('load', resolve);
+  });
+
+  const frame = parentFrame.contentDocument.createElement('iframe');
+  frame.src = `${origin}${PATH}${PIPE}`;
+  parentFrame.contentDocument.body.append(frame);
   frame.addEventListener('error', t.unreached_func('frame.error'));
   await new Promise((resolve) => {
     frame.addEventListener('load', resolve);
@@ -35,27 +46,26 @@ async function getCrossOriginIsolatedFor(t, url) {
 }
 
 function generateTest(origin, value, expectation) {
+  async function run(t) {
+    assert_equals(
+      await getCrossOriginIsolatedFor(t, origin, value), expectation);
+  }
   // We use async_test, not promise_test here to run tests in parallel.
   async_test((t) => {
-    let pipe = PIPE;
-    if (value !== undefined) {
-      pipe += `|header(permissions-policy,cross-origin-isolated=${value})`
-    }
-    const url = `${origin}${PATH}${pipe}`;
-    (async () => {
-      assert_equals(await getCrossOriginIsolatedFor(t, url), expectation);
-    })().then(() => t.done(), (e) => t.step(() => {throw e;}));
+    run(t).then(() => t.done(), (e) => t.step(() => {throw e;}));
   }, `origin = ${origin}, value = ${value}`);
 }
 
 generateTest(ORIGIN, undefined, true);
 generateTest(ORIGIN, '*', true);
-generateTest(ORIGIN, "'self'", true);
-generateTest(ORIGIN, "'none'", false);
+generateTest(ORIGIN, "self", true);
+// We need the backslash to escape the close parenthesis in a wpt pipe.
+generateTest(ORIGIN, "(\\)", false);
 generateTest(HTTPS_REMOTE_ORIGIN, undefined, false);
 generateTest(HTTPS_REMOTE_ORIGIN, '*', true);
-generateTest(HTTPS_REMOTE_ORIGIN, "'self'", false);
-generateTest(HTTPS_REMOTE_ORIGIN, "'none'", false);
+generateTest(HTTPS_REMOTE_ORIGIN, "self", false);
+// We need the backslash to escape the close parenthesis in a wpt pipe.
+generateTest(HTTPS_REMOTE_ORIGIN, "(\\)", false);
 </script>
 </body>
 </html>
diff --git a/tests/wpt/web-platform-tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/iframe-domain-failure.sub.html b/tests/wpt/web-platform-tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/iframe-domain-failure.sub.html
index cf795c23805..9fea7038054 100644
--- a/tests/wpt/web-platform-tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/iframe-domain-failure.sub.html
+++ b/tests/wpt/web-platform-tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/iframe-domain-failure.sub.html
@@ -6,5 +6,8 @@
 "use strict";
 
 document.domain = "{{host}}";
+parent.postMessage({name: "domain", value: document.domain}, "*");
+parent.postMessage(
+  {name: "crossOriginIsolated", value: self.crossOriginIsolated}, "*");
 parent.postMessage(new SharedArrayBuffer(10), "*");
 </script>
diff --git a/tests/wpt/web-platform-tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/window-domain-failure.https.sub.html b/tests/wpt/web-platform-tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/window-domain-failure.https.sub.html
index 1175b56fb04..2deff50d8dd 100644
--- a/tests/wpt/web-platform-tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/window-domain-failure.https.sub.html
+++ b/tests/wpt/web-platform-tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/window-domain-failure.https.sub.html
@@ -16,8 +16,27 @@ async_test(t => {
   const iframe = document.createElement("iframe");
   t.add_cleanup(() => iframe.remove());
   iframe.src = "//{{domains[www1]}}:{{location[port]}}/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/iframe-domain-failure.sub.html";
-  window.onmessage = t.unreached_func("Got a message event, expected a messageerror event");
-  window.onmessageerror = t.step_func_done();
+  let domain = null;
+  let childCrossOriginIsolated = null;
+  window.onmessage = t.step_func((e) => {
+    if (e.data.name === "domain") {
+      domain = e.data.value;
+      return;
+    }
+    if (e.data.name === "crossOriginIsolated") {
+      childCrossOriginIsolated = e.data.value;
+      return;
+    }
+    assert_unreached("Got a message event, expected a messageerror event");
+  });
+  window.onmessageerror = t.step_func_done(() => {
+    // crossOriginIsolated is false in the nested frame because the frame is
+    // cross-origin and hence the cross-origin isolated capability is false.
+    assert_equals(childCrossOriginIsolated, false);
+    // But document.domain mutation is no-op because the surrounding agent
+    // cluster's cross-origin isolated is true.
+    assert_equals(domain, "{{domains[www1]}}");
+  });
   document.body.append(iframe);
 }, "SharedArrayBuffer and a same-origin-domain (but not same-origin) iframe");
 </script>
diff --git a/tests/wpt/web-platform-tests/html/rendering/replaced-elements/images/revoked-blob-print-ref.html b/tests/wpt/web-platform-tests/html/rendering/replaced-elements/images/revoked-blob-print-ref.html
new file mode 100644
index 00000000000..6b2f0bb6065
--- /dev/null
+++ b/tests/wpt/web-platform-tests/html/rendering/replaced-elements/images/revoked-blob-print-ref.html
@@ -0,0 +1,3 @@
+<!doctype html>
+<title>Test reference</title>
+<img width=100 height=50 src="/images/black-rectangle.png">
diff --git a/tests/wpt/web-platform-tests/html/rendering/replaced-elements/images/revoked-blob-print.html b/tests/wpt/web-platform-tests/html/rendering/replaced-elements/images/revoked-blob-print.html
new file mode 100644
index 00000000000..fd5c2c57545
--- /dev/null
+++ b/tests/wpt/web-platform-tests/html/rendering/replaced-elements/images/revoked-blob-print.html
@@ -0,0 +1,24 @@
+<!doctype html>
+<html class="test-wait">
+<title>Printing an image with src="revoked-blob"</title>
+<link rel="author" href="mailto:emilio@crisal.io" title="Emilio Cobos Álvarez">
+<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1665343">
+<link rel="match" href="revoked-blob-print-ref.html">
+<img width=100 height=50>
+<script>
+  let canvas = document.createElement("canvas");
+  canvas.width = 100;
+  canvas.height = 50;
+  let ctx = canvas.getContext("2d");
+  ctx.fillRect(0, 0, 100, 50);
+  canvas.toBlob(function(blob) {
+    let img = document.querySelector("img");
+    let url = URL.createObjectURL(blob);
+    img.onload = function() {
+      URL.revokeObjectURL(url);
+      document.documentElement.className = "";
+    };
+    img.src = url;
+  });
+</script>
+</html>
diff --git a/tests/wpt/web-platform-tests/interfaces/WebCryptoAPI.idl b/tests/wpt/web-platform-tests/interfaces/WebCryptoAPI.idl
index 9e0aed0f4b0..246c1547bb9 100644
--- a/tests/wpt/web-platform-tests/interfaces/WebCryptoAPI.idl
+++ b/tests/wpt/web-platform-tests/interfaces/WebCryptoAPI.idl
@@ -1,7 +1,7 @@
 // GENERATED CONTENT - DO NOT EDIT
 // Content was automatically extracted by Reffy into webref
 // (https://github.com/w3c/webref)
-// Source: Web Cryptography API (http://w3c.github.io/webcrypto/)
+// Source: Web Cryptography API (https://w3c.github.io/webcrypto/)
 
 partial interface mixin WindowOrWorkerGlobalScope {
   [SameObject] readonly attribute Crypto crypto;
diff --git a/tests/wpt/web-platform-tests/interfaces/css-layout-api.idl b/tests/wpt/web-platform-tests/interfaces/css-layout-api.idl
deleted file mode 100644
index f6ac4c17e27..00000000000
--- a/tests/wpt/web-platform-tests/interfaces/css-layout-api.idl
+++ /dev/null
@@ -1,146 +0,0 @@
-// GENERATED CONTENT - DO NOT EDIT
-// Content was automatically extracted by Reffy into webref
-// (https://github.com/w3c/webref)
-// Source: CSS Layout API Level 1 (https://drafts.css-houdini.org/css-layout-api-1/)
-
-partial namespace CSS {
-    [SameObject] readonly attribute Worklet layoutWorklet;
-};
-
-[Global=(Worklet,LayoutWorklet),Exposed=LayoutWorklet]
-interface LayoutWorkletGlobalScope : WorkletGlobalScope {
-    void registerLayout(DOMString name, VoidFunction layoutCtor);
-};
-
-[Exposed=LayoutWorklet]
-dictionary LayoutOptions {
-  ChildDisplayType childDisplay = "block";
-  LayoutSizingMode sizing = "block-like";
-};
-
-[Exposed=LayoutWorklet]
-enum ChildDisplayType {
-    "block", // default - "blockifies" the child boxes.
-    "normal",
-};
-
-[Exposed=LayoutWorklet]
-enum LayoutSizingMode {
-    "block-like", // default - Sizing behaves like block containers.
-    "manual", // Sizing is specified by the web developer.
-};
-
-[Exposed=LayoutWorklet]
-interface LayoutChild {
-    readonly attribute StylePropertyMapReadOnly styleMap;
-
-    Promise<IntrinsicSizes> intrinsicSizes();
-    Promise<LayoutFragment> layoutNextFragment(LayoutConstraintsOptions constraints, ChildBreakToken breakToken);
-};
-
-[Exposed=LayoutWorklet]
-interface LayoutFragment {
-    readonly attribute double inlineSize;
-    readonly attribute double blockSize;
-
-    attribute double inlineOffset;
-    attribute double blockOffset;
-
-    readonly attribute any data;
-
-    readonly attribute ChildBreakToken? breakToken;
-};
-
-[Exposed=LayoutWorklet]
-interface IntrinsicSizes {
-  readonly attribute double minContentSize;
-  readonly attribute double maxContentSize;
-};
-
-[Exposed=LayoutWorklet]
-interface LayoutConstraints {
-    readonly attribute double availableInlineSize;
-    readonly attribute double availableBlockSize;
-
-    readonly attribute double? fixedInlineSize;
-    readonly attribute double? fixedBlockSize;
-
-    readonly attribute double percentageInlineSize;
-    readonly attribute double percentageBlockSize;
-
-    readonly attribute double? blockFragmentationOffset;
-    readonly attribute BlockFragmentationType blockFragmentationType;
-
-    readonly attribute any data;
-};
-
-enum BlockFragmentationType { "none", "page", "column", "region" };
-
-dictionary LayoutConstraintsOptions {
-    double availableInlineSize;
-    double availableBlockSize;
-
-    double fixedInlineSize;
-    double fixedBlockSize;
-
-    double percentageInlineSize;
-    double percentageBlockSize;
-
-    double blockFragmentationOffset;
-    BlockFragmentationType blockFragmentationType = "none";
-
-    any data;
-};
-
-[Exposed=LayoutWorklet]
-interface ChildBreakToken {
-    readonly attribute BreakType breakType;
-    readonly attribute LayoutChild child;
-};
-
-[Exposed=LayoutWorklet]
-interface BreakToken {
-    readonly attribute FrozenArray<ChildBreakToken> childBreakTokens;
-    readonly attribute any data;
-};
-
-dictionary BreakTokenOptions {
-    sequence<ChildBreakToken> childBreakTokens;
-    any data = null;
-};
-
-enum BreakType { "none", "line", "column", "page", "region" };
-
-[Exposed=LayoutWorklet]
-interface LayoutEdges {
-  readonly attribute double inlineStart;
-  readonly attribute double inlineEnd;
-
-  readonly attribute double blockStart;
-  readonly attribute double blockEnd;
-
-  // Convenience attributes for the sum in one direction.
-  readonly attribute double inline;
-  readonly attribute double block;
-};
-
-// This is the final return value from the author defined layout() method.
-dictionary FragmentResultOptions {
-    double inlineSize = 0;
-    double blockSize = 0;
-    double autoBlockSize = 0;
-    sequence<LayoutFragment> childFragments = [];
-    any data = null;
-    BreakTokenOptions breakToken = null;
-};
-
-[Constructor(optional FragmentResultOptions options)]
-interface FragmentResult {
-    readonly attribute double inlineSize;
-    readonly attribute double blockSize;
-};
-
-dictionary IntrinsicSizesResultOptions {
-    double maxContentSize;
-    double minContentSize;
-};
diff --git a/tests/wpt/web-platform-tests/interfaces/payment-request.idl b/tests/wpt/web-platform-tests/interfaces/payment-request.idl
index 91aab8f112b..9b6537c97ec 100644
--- a/tests/wpt/web-platform-tests/interfaces/payment-request.idl
+++ b/tests/wpt/web-platform-tests/interfaces/payment-request.idl
@@ -24,7 +24,6 @@ interface PaymentRequest : EventTarget {
   readonly attribute DOMString? shippingOption;
   readonly attribute PaymentShippingType? shippingType;
 
-  attribute EventHandler onmerchantvalidation;
   attribute EventHandler onshippingaddresschange;
   attribute EventHandler onshippingoptionchange;
   attribute EventHandler onpaymentmethodchange;
@@ -175,19 +174,6 @@ dictionary PayerErrors {
   DOMString phone;
 };
 
-[SecureContext, Exposed=Window]
-interface MerchantValidationEvent : Event {
-  constructor(DOMString type, optional MerchantValidationEventInit eventInitDict = {});
-  readonly attribute DOMString methodName;
-  readonly attribute USVString validationURL;
-  undefined complete(Promise<any> merchantSessionPromise);
-};
-
-dictionary MerchantValidationEventInit : EventInit {
-  DOMString methodName = "";
-  USVString validationURL = "";
-};
-
 [SecureContext, Exposed=Window]
 interface PaymentMethodChangeEvent : PaymentRequestUpdateEvent {
   constructor(DOMString type, optional PaymentMethodChangeEventInit eventInitDict = {});
diff --git a/tests/wpt/web-platform-tests/interfaces/scroll-animations.idl b/tests/wpt/web-platform-tests/interfaces/scroll-animations.idl
index df35313b48a..3ef9f545290 100644
--- a/tests/wpt/web-platform-tests/interfaces/scroll-animations.idl
+++ b/tests/wpt/web-platform-tests/interfaces/scroll-animations.idl
@@ -12,21 +12,24 @@ enum ScrollDirection {
 
 enum ScrollTimelineAutoKeyword { "auto" };
 
+typedef (CSSNumericValue or CSSKeywordish) ContainerBasedOffset;
+typedef (ContainerBasedOffset or ElementBasedOffset) ScrollTimelineOffset;
+
 dictionary ScrollTimelineOptions {
   Element? source = null;
   ScrollDirection orientation = "block";
-  (DOMString or ElementBasedOffset) start = "auto";
-  (DOMString or ElementBasedOffset) end = "auto";
+  ScrollTimelineOffset start = "auto";
+  ScrollTimelineOffset end = "auto";
   (double or ScrollTimelineAutoKeyword) timeRange = "auto";
 };
 
 [Exposed=Window]
 interface ScrollTimeline : AnimationTimeline {
   constructor(optional ScrollTimelineOptions options = {});
-  readonly attribute Element source;
+  readonly attribute Element? source;
   readonly attribute ScrollDirection orientation;
-  readonly attribute DOMString start;
-  readonly attribute DOMString end;
+  readonly attribute ScrollTimelineOffset start;
+  readonly attribute ScrollTimelineOffset end;
   readonly attribute (double or ScrollTimelineAutoKeyword) timeRange;
 };
 
@@ -37,3 +40,13 @@ dictionary ElementBasedOffset {
   Edge edge = "start";
   double threshold = 0.0;
 };
+
+[Exposed=Window]
+interface CSSScrollTimelineRule : CSSRule {
+    readonly attribute CSSOMString name;
+    readonly attribute CSSOMString source;
+    readonly attribute CSSOMString orientation;
+    readonly attribute CSSOMString start;
+    readonly attribute CSSOMString end;
+    readonly attribute CSSOMString timeRange;
+};
diff --git a/tests/wpt/web-platform-tests/mathml/relations/css-styling/attribute-mapping-002.html b/tests/wpt/web-platform-tests/mathml/relations/css-styling/attribute-mapping-002.html
index 904ed0343fc..e4532321e4a 100644
--- a/tests/wpt/web-platform-tests/mathml/relations/css-styling/attribute-mapping-002.html
+++ b/tests/wpt/web-platform-tests/mathml/relations/css-styling/attribute-mapping-002.html
@@ -43,30 +43,26 @@
           }, `mathvariant on the ${tag} element is mapped to CSS text-transform`)
 
           test(function() {
-              var epsilon = .1
-              var fontSizeAtScriptLevelZero = fontSize(window.getComputedStyle(container));
-              var inheritedSize = fontSize(window.getComputedStyle(element.parentNode));
-
               // none and mprescripts appear as scripts
-              assert_approx_equals(fontSize(style), tag === "none" || tag === "mprescripts" ? inheritedSize * .71 : inheritedSize, epsilon, "no attribute");
+              assert_equals(style.getPropertyValue("math-depth"), tag === "none" || tag === "mprescripts" ? 1 : 0, "no attribute");
 
               var absoluteScriptlevel = 2;
               element.setAttribute("scriptlevel", absoluteScriptlevel);
-              assert_approx_equals(fontSize(style), fontSizeAtScriptLevelZero * Math.pow(.71, absoluteScriptlevel), epsilon, "attribute specified (<U>)");
+              assert_equals(style.getPropertyValue("math-depth"), absoluteScriptlevel, "attribute specified (<U>)");
 
               var positiveScriptlevelDelta = 1;
               element.setAttribute("scriptlevel", `+${positiveScriptlevelDelta}`);
-              assert_approx_equals(fontSize(style), inheritedSize * Math.pow(.71, positiveScriptlevelDelta), epsilon, "attribute specified (+<U>)");
+              assert_equals(style.getPropertyValue("math-depth"), positiveScriptlevelDelta, epsilon, "attribute specified (+<U>)");
 
               var negativeScriptlevelDelta = -3;
       element.setAttribute("scriptlevel", negativeScriptlevelDelta);
-              assert_approx_equals(fontSize(style), inheritedSize * Math.pow(.71, negativeScriptlevelDelta), epsilon, "attribute specified (-<U>)");
+              assert_approx_equals(style.getPropertyValue("math-depth"), negativeScriptlevelDelta, "attribute specified (-<U>)");
 
               element.setAttribute("scriptlevel", absoluteScriptlevel);
               element.setAttribute("mathsize", "42px");
               assert_approx_equals(fontSize(style), 42, epsilon, "mathsize wins over scriptlevel");
 
-          }, `scriptlevel on the ${tag} element is mapped to font-size: scriptlevel(...)`);
+          }, `scriptlevel on the ${tag} element is mapped to math-depth(...)`);
 
           test(function() {
               assert_equals(style.getPropertyValue("math-style"), "compact", "no attribute");
diff --git a/tests/wpt/web-platform-tests/mathml/relations/css-styling/presentational-hints-001-ref.html b/tests/wpt/web-platform-tests/mathml/relations/css-styling/presentational-hints-001-ref.html
index af27310fb59..3d71d72fb34 100644
--- a/tests/wpt/web-platform-tests/mathml/relations/css-styling/presentational-hints-001-ref.html
+++ b/tests/wpt/web-platform-tests/mathml/relations/css-styling/presentational-hints-001-ref.html
@@ -55,7 +55,7 @@
   </p>
   <p>scriptlevel:
     <math>
-      <mtext style="font-size: scriptlevel(0);">X</mtext>
+      <mtext style="math-depth: 0;">X</mtext>
     </math>
   </p>
 </body>
diff --git a/tests/wpt/web-platform-tests/mathml/relations/css-styling/presentational-hints-001.html b/tests/wpt/web-platform-tests/mathml/relations/css-styling/presentational-hints-001.html
index 701dbef8613..c304a0dbbff 100644
--- a/tests/wpt/web-platform-tests/mathml/relations/css-styling/presentational-hints-001.html
+++ b/tests/wpt/web-platform-tests/mathml/relations/css-styling/presentational-hints-001.html
@@ -65,7 +65,7 @@
   </p>
   <p>scriptlevel:
     <math>
-      <mtext scriptlevel="1" style="font-size: scriptlevel(0);">X</mtext>
+      <mtext scriptlevel="1" style="math-depth: 0;">X</mtext>
     </math>
   </p>
 </body>
diff --git a/tests/wpt/web-platform-tests/media-source/dedicated-worker/mediasource-worker-attach.html b/tests/wpt/web-platform-tests/media-source/dedicated-worker/mediasource-worker-attach.html
new file mode 100644
index 00000000000..b09f05c2485
--- /dev/null
+++ b/tests/wpt/web-platform-tests/media-source/dedicated-worker/mediasource-worker-attach.html
@@ -0,0 +1,40 @@
+<!DOCTYPE html>
+<html>
+<title>Test attachment to dedicated worker MediaSource</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<body>
+<script>
+
+async_test((t) => {
+  const video = document.createElement('video');
+  document.body.appendChild(video);
+
+  // TODO(https://crbug.com/878133): Enable attachment success by
+  // completing the CrossThreadAttachment implementation. Currently,
+  // a custom Chromium MediaError.message is confirmed.
+  video.onerror = t.step_func(() => {
+    assert_not_equals(video.error, null);
+    assert_equals(video.error.message, "MEDIA_ELEMENT_ERROR: Unable to attach MediaSource");
+    t.done();
+  });
+
+  let worker = new Worker("mediasource-worker-util.js");
+  worker.onerror = t.unreached_func("worker error");
+  worker.onmessage = t.step_func((e) => {
+    if (e.data.substr(0,6) == "Error:") {
+      assert_unreached("Worker error: " + e.data);
+    } else {
+      const url = e.data;
+      assert_true(url.match(/^blob:.+/) != null);
+      video.src = url;
+    }
+  });
+}, "Test worker MediaSource attachment (currently should fail to attach)");
+
+// TODO(https://crbug.com/878133): Test multiple attachments to same worker
+// MediaSource racing each other: precisely one should win the race.
+
+</script>
+</body>
+</html>
diff --git a/tests/wpt/web-platform-tests/media-source/dedicated-worker/mediasource-worker-objecturl.html b/tests/wpt/web-platform-tests/media-source/dedicated-worker/mediasource-worker-objecturl.html
new file mode 100644
index 00000000000..382a9a4f363
--- /dev/null
+++ b/tests/wpt/web-platform-tests/media-source/dedicated-worker/mediasource-worker-objecturl.html
@@ -0,0 +1,27 @@
+<!DOCTYPE html>
+<html>
+<title>Test MediaSource object and objectUrl creation and revocation, with MediaSource in dedicated worker</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+
+async_test((t) => {
+  let worker = new Worker("mediasource-worker-util.js");
+  worker.onmessage = t.step_func((e) => {
+    if (e.data.substr(0,6) == "Error:") {
+      assert_unreached("Worker error: " + e.data);
+    } else {
+      const url = e.data;
+      assert_true(url.match(/^blob:.+/) != null);
+      URL.revokeObjectURL(url);
+      t.done();
+    }
+  });
+}, "Test main context revocation of worker MediaSource object URL");
+
+// Run some tests directly in another dedicated worker and get their results
+// merged into those from this page.
+fetch_tests_from_worker(new Worker("mediasource-worker-objecturl.js"));
+
+</script>
+</html>
diff --git a/tests/wpt/web-platform-tests/media-source/dedicated-worker/mediasource-worker-objecturl.js b/tests/wpt/web-platform-tests/media-source/dedicated-worker/mediasource-worker-objecturl.js
new file mode 100644
index 00000000000..db47da0c0a6
--- /dev/null
+++ b/tests/wpt/web-platform-tests/media-source/dedicated-worker/mediasource-worker-objecturl.js
@@ -0,0 +1,23 @@
+importScripts("/resources/testharness.js");
+
+test((t) => {
+  const ms = new MediaSource();
+  assert_equals(ms.readyState, "closed");
+}, "MediaSource construction succeeds with initial closed readyState in dedicated worker");
+
+test((t) => {
+  const ms = new MediaSource();
+  const url = URL.createObjectURL(ms);
+  assert_true(url != null);
+  assert_true(url.match(/^blob:.+/) != null);
+}, "URL.createObjectURL(mediaSource) in dedicated worker returns a Blob URI");
+
+test((t) => {
+  const ms = new MediaSource();
+  const url1 = URL.createObjectURL(ms);
+  const url2 = URL.createObjectURL(ms);
+  URL.revokeObjectURL(url1);
+  URL.revokeObjectURL(url2);
+}, "URL.revokeObjectURL(mediaSource) in dedicated worker with two url for same MediaSource");
+
+done();
diff --git a/tests/wpt/web-platform-tests/media-source/dedicated-worker/mediasource-worker-util.js b/tests/wpt/web-platform-tests/media-source/dedicated-worker/mediasource-worker-util.js
new file mode 100644
index 00000000000..e0c4bdc0e10
--- /dev/null
+++ b/tests/wpt/web-platform-tests/media-source/dedicated-worker/mediasource-worker-util.js
@@ -0,0 +1,78 @@
+if (!this.MediaSource)
+  postMessage("Error: MediaSource API missing from Worker");
+
+let mediaSource = new MediaSource();
+let mediaSourceObjectUrl = URL.createObjectURL(mediaSource);
+postMessage(mediaSourceObjectUrl);
+
+let sourceBuffer;
+let foundSupportedMedia = false;
+let mediaMetadata;
+let mediaLoad;
+
+// Find supported test media, if any.
+let MEDIA_LIST = [
+  {
+    url: 'mp4/test.mp4',
+    type: 'video/mp4; codecs="mp4a.40.2,avc1.4d400d"',
+  },
+  {
+    url: 'webm/test.webm',
+    type: 'video/webm; codecs="vp8, vorbis"',
+  },
+];
+for (let i = 0; i < MEDIA_LIST.length; ++i) {
+  mediaMetadata = MEDIA_LIST[i];
+  if (this.MediaSource && MediaSource.isTypeSupported(mediaMetadata.type)) {
+    foundSupportedMedia = true;
+    break;
+  }
+}
+
+function loadBinaryAsync(url) {
+  return new Promise((resolve, reject) => {
+    let request = new XMLHttpRequest();
+    request.open("GET", url, true);
+    request.responseType = 'arraybuffer';
+    request.onerror = (event) => { reject(event); };
+    request.onload = () => {
+      if (request.status != 200) {
+        reject("Unexpected loadData_ status code : " + request.status);
+      }
+      let response = new Uint8Array(request.response);
+      resolve(response);
+    };
+    request.send();
+  });
+}
+
+if (foundSupportedMedia) {
+  mediaLoad = loadBinaryAsync(mediaMetadata.url);
+} else {
+  postMessage("Error: No supported test media");
+}
+
+onmessage = function(evt) {
+  postMessage("Error: No message expected by Worker");
+};
+
+// TODO(https://crbug.com/878133): Enable this path by completing the
+// CrossThreadMediaSourceAttachment implementation such that attachment can
+// actually succeed and 'sourceopen' be dispatched.
+mediaSource.addEventListener("sourceopen", () => {
+  URL.revokeObjectURL(mediaSourceObjectUrl);
+  sourceBuffer = mediaSource.addSourceBuffer(mediaMetadata.type);
+  sourceBuffer.onerror = (err) => {
+    postMessage("Error: " + err);
+  };
+  sourceBuffer.onupdateend = () => {
+    // Shorten the buffered media and test playback duration to avoid timeouts.
+    sourceBuffer.remove(0.5, Infinity);
+    sourceBuffer.onupdateend = () => {
+      sourceBuffer.duration = 0.5;
+      mediaSource.endOfStream();
+    };
+  };
+  mediaLoad.then( (mediaData) => { sourceBuffer.appendBuffer(mediaData); },
+                  (err) => { postMessage("Error: " + err) } );
+}, { once : true });
diff --git a/tests/wpt/web-platform-tests/merchant-validation/META.yml b/tests/wpt/web-platform-tests/merchant-validation/META.yml
new file mode 100644
index 00000000000..20ab3ff9ef3
--- /dev/null
+++ b/tests/wpt/web-platform-tests/merchant-validation/META.yml
@@ -0,0 +1,3 @@
+spec: https://w3c.github.io/merchant-validation/
+suggested_reviewers:
+  - marcoscaceres
diff --git a/tests/wpt/web-platform-tests/payment-request/MerchantValidationEvent/complete-method.https.html b/tests/wpt/web-platform-tests/merchant-validation/complete-method.tentative.https.html
similarity index 100%
rename from tests/wpt/web-platform-tests/payment-request/MerchantValidationEvent/complete-method.https.html
rename to tests/wpt/web-platform-tests/merchant-validation/complete-method.tentative.https.html
diff --git a/tests/wpt/web-platform-tests/payment-request/MerchantValidationEvent/constructor.https.html b/tests/wpt/web-platform-tests/merchant-validation/constructor.tentative.https.html
similarity index 100%
rename from tests/wpt/web-platform-tests/payment-request/MerchantValidationEvent/constructor.https.html
rename to tests/wpt/web-platform-tests/merchant-validation/constructor.tentative.https.html
diff --git a/tests/wpt/web-platform-tests/payment-request/MerchantValidationEvent/constructor.http.html b/tests/wpt/web-platform-tests/merchant-validation/constructortentative..http.html
similarity index 100%
rename from tests/wpt/web-platform-tests/payment-request/MerchantValidationEvent/constructor.http.html
rename to tests/wpt/web-platform-tests/merchant-validation/constructortentative..http.html
diff --git a/tests/wpt/web-platform-tests/origin-isolation/document-domain.sub.https.html b/tests/wpt/web-platform-tests/origin-isolation/document-domain.sub.https.html
new file mode 100644
index 00000000000..6910b022052
--- /dev/null
+++ b/tests/wpt/web-platform-tests/origin-isolation/document-domain.sub.https.html
@@ -0,0 +1,38 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Setting document.domain does not change same-originness</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+
+<!--
+  Other tests check that using document.domain doesn't allow cross-origin
+  access. This test ensures a different, more subtle property: that origin
+  isolation makes document.domain into a no-op in other ways.
+-->
+
+<iframe src="resources/frame.html"></iframe>
+
+<script type="module">
+setup({ explicit_done: true });
+
+window.onload = () => {
+  test(() => {
+    // Normally, setting document.domain to itself would change the domain
+    // component of the origin. Since the iframe does *not* set document.domain,
+    // the two would then be considered cross-origin.
+    document.domain = document.domain;
+
+    // However, because we're using origin isolation, this shouldn't have any
+    // impact. The test fails if this throws, and passes if it succeeds.
+    frames[0].document;
+  }, "Setting document.domain must not change same-originness");
+
+  test(() => {
+    assert_throws_dom("SecurityError", () => {
+      document.domain = "{{hosts[][nonexistent]}}";
+    });
+  }, "The registrable domain suffix check must happen before the bail-out");
+
+  done();
+};
+</script>
diff --git a/tests/wpt/web-platform-tests/origin-isolation/document-domain.sub.https.html.headers b/tests/wpt/web-platform-tests/origin-isolation/document-domain.sub.https.html.headers
new file mode 100644
index 00000000000..ea3f6b335c7
--- /dev/null
+++ b/tests/wpt/web-platform-tests/origin-isolation/document-domain.sub.https.html.headers
@@ -0,0 +1 @@
+Origin-Isolation: ?1
diff --git a/tests/wpt/web-platform-tests/origin-isolation/resources/frame.html b/tests/wpt/web-platform-tests/origin-isolation/resources/frame.html
new file mode 100644
index 00000000000..8f35d2703e7
--- /dev/null
+++ b/tests/wpt/web-platform-tests/origin-isolation/resources/frame.html
@@ -0,0 +1,3 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>A frame included by a test page</title>
diff --git a/tests/wpt/web-platform-tests/origin-isolation/resources/frame.html.headers b/tests/wpt/web-platform-tests/origin-isolation/resources/frame.html.headers
new file mode 100644
index 00000000000..ea3f6b335c7
--- /dev/null
+++ b/tests/wpt/web-platform-tests/origin-isolation/resources/frame.html.headers
@@ -0,0 +1 @@
+Origin-Isolation: ?1
diff --git a/tests/wpt/web-platform-tests/origin-policy/features/non-object.https.html b/tests/wpt/web-platform-tests/origin-policy/features/non-object.https.html
index 2bd4b67e600..d1be8e89377 100644
--- a/tests/wpt/web-platform-tests/origin-policy/features/non-object.https.html
+++ b/tests/wpt/web-platform-tests/origin-policy/features/non-object.https.html
@@ -11,6 +11,6 @@
 "use strict";
 runTestsInSubframe({
   hostname: "op5",
-  testJS: "resources/no-camera-no-geolocation.mjs"
+  testJS: "resources/yes-camera-yes-geolocation.mjs"
 });
 </script>
diff --git a/tests/wpt/web-platform-tests/origin-policy/features/non-string.https.html b/tests/wpt/web-platform-tests/origin-policy/features/non-string.https.html
index 190d224a4cf..99645fc6d9d 100644
--- a/tests/wpt/web-platform-tests/origin-policy/features/non-string.https.html
+++ b/tests/wpt/web-platform-tests/origin-policy/features/non-string.https.html
@@ -11,6 +11,6 @@
 "use strict";
 runTestsInSubframe({
   hostname: "op6",
-  testJS: "resources/no-camera-no-geolocation.mjs"
+  testJS: "resources/yes-camera-yes-geolocation.mjs"
 });
 </script>
diff --git a/tests/wpt/web-platform-tests/origin-policy/features/resources/helper.mjs b/tests/wpt/web-platform-tests/origin-policy/features/resources/helper.mjs
index 7ced355e645..0ea3b011014 100644
--- a/tests/wpt/web-platform-tests/origin-policy/features/resources/helper.mjs
+++ b/tests/wpt/web-platform-tests/origin-policy/features/resources/helper.mjs
@@ -2,7 +2,7 @@
 
 export function runFPTest({ camera, geolocation }) {
   test(() => {
-    assert_equals(document.featurePolicy.allowsFeature('camera', 'https://example.com/'), camera, 'camera');
-    assert_equals(document.featurePolicy.allowsFeature('geolocation', 'https://example.com/'), geolocation, 'geolocation');
+    assert_equals(document.featurePolicy.allowsFeature('camera'), camera, 'camera');
+    assert_equals(document.featurePolicy.allowsFeature('geolocation'), geolocation, 'geolocation');
   });
 }
diff --git a/tests/wpt/web-platform-tests/origin-policy/features/valid-with-semicolon.https.html b/tests/wpt/web-platform-tests/origin-policy/features/valid-with-semicolon.https.html
index 8d2d0f4495f..53ea7a94019 100644
--- a/tests/wpt/web-platform-tests/origin-policy/features/valid-with-semicolon.https.html
+++ b/tests/wpt/web-platform-tests/origin-policy/features/valid-with-semicolon.https.html
@@ -11,6 +11,6 @@
 "use strict";
 runTestsInSubframe({
   hostname: "op10",
-  testJS: "resources/yes-camera-yes-geolocation.mjs"
+  testJS: "resources/no-camera-yes-geolocation.mjs"
 });
 </script>
diff --git a/tests/wpt/web-platform-tests/origin-policy/policies/op10 cspfp-valid.json b/tests/wpt/web-platform-tests/origin-policy/policies/op10 cspfp-valid.json
index 0fc1d163f2b..c3bea5c7bcc 100644
--- a/tests/wpt/web-platform-tests/origin-policy/policies/op10 cspfp-valid.json	
+++ b/tests/wpt/web-platform-tests/origin-policy/policies/op10 cspfp-valid.json	
@@ -8,6 +8,6 @@
     ]
   },
   "features": {
-    "policy": "camera 'self' https://example.com/; geolocation 'self' https://example.com/"
+    "policy": "camera 'none'; geolocation 'self' https://example.com/"
   }
 }
diff --git a/tests/wpt/web-platform-tests/origin-policy/policies/op2 cspfp-double-top-level.json b/tests/wpt/web-platform-tests/origin-policy/policies/op2 cspfp-double-top-level.json
index 26d798b585d..59c34190fd9 100644
--- a/tests/wpt/web-platform-tests/origin-policy/policies/op2 cspfp-double-top-level.json	
+++ b/tests/wpt/web-platform-tests/origin-policy/policies/op2 cspfp-double-top-level.json	
@@ -13,9 +13,9 @@
     ]
   },
   "features": {
-    "policy": "camera 'self' https://example.com/"
+    "policy": "geolocation 'none'"
   },
   "features": {
-    "policy": "geolocation 'self' https://example.com/"
+    "policy": "camera 'none'"
   }
 }
diff --git a/tests/wpt/web-platform-tests/origin-policy/policies/op5 cspfp-non-object.json b/tests/wpt/web-platform-tests/origin-policy/policies/op5 cspfp-non-object.json
index 7488f9bfef2..1e404608b59 100644
--- a/tests/wpt/web-platform-tests/origin-policy/policies/op5 cspfp-non-object.json	
+++ b/tests/wpt/web-platform-tests/origin-policy/policies/op5 cspfp-non-object.json	
@@ -5,5 +5,5 @@
   "content_security": [
     "script-src 'self' 'unsafe-inline'"
   ],
-  "features": "camera 'self' https://example.com/"
+  "features": "camera 'none'"
 }
diff --git a/tests/wpt/web-platform-tests/origin-policy/policies/op6 cspfp-non-string.json b/tests/wpt/web-platform-tests/origin-policy/policies/op6 cspfp-non-string.json
index 5c6941bf8fd..231e7d4326f 100644
--- a/tests/wpt/web-platform-tests/origin-policy/policies/op6 cspfp-non-string.json	
+++ b/tests/wpt/web-platform-tests/origin-policy/policies/op6 cspfp-non-string.json	
@@ -11,7 +11,7 @@
   },
   "features": {
     "policy": [
-      "camera 'self' https://example.com/"
+      "camera 'none'"
     ]
   }
 }
diff --git a/tests/wpt/web-platform-tests/screen-capture/getdisplaymedia.https.html b/tests/wpt/web-platform-tests/screen-capture/getdisplaymedia.https.html
index 4b433d717df..aae81d2f823 100644
--- a/tests/wpt/web-platform-tests/screen-capture/getdisplaymedia.https.html
+++ b/tests/wpt/web-platform-tests/screen-capture/getdisplaymedia.https.html
@@ -80,15 +80,15 @@ promise_test(async t => {
 }, `getDisplayMedia(${j(constraints)}) must succeed with video maybe audio`));
 
 [
- {video: {width: {max: 360}}},
- {video: {height: {max: 240}}},
- {video: {width: {max: 360}, height: {max: 240}}},
- {video: {frameRate: {max: 4}}},
- {video: {frameRate: {max: 4}, width: {max: 360}}},
- {video: {frameRate: {max: 4}, height: {max: 240}}},
- {video: {frameRate: {max: 4}, width: {max: 360}, height: {max: 240}}},
+ {width: {max: 360}},
+ {height: {max: 240}},
+ {width: {max: 360}, height: {max: 240}},
+ {frameRate: {max: 4}},
+ {frameRate: {max: 4}, width: {max: 360}},
+ {frameRate: {max: 4}, height: {max: 240}},
+ {frameRate: {max: 4}, width: {max: 360}, height: {max: 240}},
 ].forEach(constraints => promise_test(async t => {
-  const stream = await getDisplayMedia(constraints);
+  const stream = await getDisplayMedia({video: constraints});
   t.add_cleanup(() => stopTracks(stream));
   const {width, height, frameRate} = stream.getTracks()[0].getSettings();
   assert_greater_than_equal(width, 1);
@@ -103,7 +103,46 @@ promise_test(async t => {
   if (constraints.frameRate) {
     assert_less_than_equal(frameRate, constraints.frameRate.max);
   }
-}, `getDisplayMedia(${j(constraints)}) must be constrained`));
+}, `getDisplayMedia({video: ${j(constraints)}}) must be constrained`));
+
+const someSizes = [
+ {width: 160},
+ {height: 120},
+ {width: 80},
+ {height: 60},
+ {width: 158},
+ {height: 118},
+];
+
+someSizes.forEach(constraints => promise_test(async t => {
+  const stream = await getDisplayMedia({video: constraints});
+  t.add_cleanup(() => stopTracks(stream));
+  const {width, height, frameRate} = stream.getTracks()[0].getSettings();
+  if (constraints.width) {
+    assert_equals(width, constraints.width);
+  } else {
+    assert_equals(height, constraints.height);
+  }
+  assert_greater_than_equal(frameRate, 1);
+}, `getDisplayMedia({video: ${j(constraints)}}) must be downscaled precisely`));
+
+promise_test(async t => {
+  const video = {height: 240};
+  const stream = await getDisplayMedia({video});
+  t.add_cleanup(() => stopTracks(stream));
+  const [track] = stream.getVideoTracks();
+  const {height} = track.getSettings();
+  assert_equals(height, video.height);
+  for (const constraints of someSizes) {
+    await track.applyConstraints(constraints);
+    const {width, height} = track.getSettings();
+    if (constraints.width) {
+      assert_equals(width, constraints.width);
+    } else {
+      assert_equals(height, constraints.height);
+    }
+  }
+}, `applyConstraints(width or height) must downscale precisely`);
 
 [
  {video: {width: {max: 0}}},
diff --git a/tests/wpt/web-platform-tests/screen-wake-lock/wakelock-enabled-by-feature-policy.https.sub.html b/tests/wpt/web-platform-tests/screen-wake-lock/wakelock-enabled-by-feature-policy.https.sub.html
index f908717ff41..53e92f55167 100644
--- a/tests/wpt/web-platform-tests/screen-wake-lock/wakelock-enabled-by-feature-policy.https.sub.html
+++ b/tests/wpt/web-platform-tests/screen-wake-lock/wakelock-enabled-by-feature-policy.https.sub.html
@@ -28,12 +28,15 @@
     );
   }, 'Feature-Policy header {"screen-wake-lock" : ["*"]} allows same-origin iframes.');
 
+  // Set allow="screen-wake-lock" on iframe element to delegate
+  // 'screen-wake-lock' to cross origin subframe.
   async_test(t => {
     test_feature_availability(
       'navigator.wakeLock.request("screen")',
       t,
       cross_origin_src,
-      expect_feature_available_default
+      expect_feature_available_default,
+      'screen-wake-lock'
     );
   }, 'Feature-Policy header {"screen-wake-lock" : ["*"]} allows cross-origin iframes.');
 
diff --git a/tests/wpt/web-platform-tests/screen_enumeration/getScreens.tentative.https.window.js b/tests/wpt/web-platform-tests/screen_enumeration/getScreens.tentative.https.window.js
index ad982b219cb..acd38bb03b2 100644
--- a/tests/wpt/web-platform-tests/screen_enumeration/getScreens.tentative.https.window.js
+++ b/tests/wpt/web-platform-tests/screen_enumeration/getScreens.tentative.https.window.js
@@ -39,25 +39,26 @@ promise_test(async t => {
   await promise_rejects_dom(t, 'NotAllowedError', self.getScreens());
 }, 'getScreens() rejects the promise with permission denied');
 
-async_test(async t => {
+promise_test(async t => {
   await test_driver.set_permission({name: 'window-placement'}, 'granted');
   let iframe = document.body.appendChild(document.createElement('iframe'));
   assert_greater_than((await iframe.contentWindow.getScreens()).length, 0);
 
-  iframe.contentWindow.onunload = t.step_func(async () => {
-    // TODO(crbug.com/1106132): This should reject or resolve; not hang.
-    // assert_greater_than((await iframe.contentWindow.getScreens()).length, 0);
-
-    let iframeGetScreens = iframe.contentWindow.getScreens;
-    let constructor = iframe.contentWindow.DOMException;
-    assert_not_equals(iframeGetScreens, undefined);
-    assert_not_equals(constructor, undefined);
-
-    await t.step_wait(() => !iframe.contentWindow, "execution context invalid");
-    assert_equals(iframe.contentWindow, null);
-    await promise_rejects_dom(t, 'InvalidStateError', constructor, iframeGetScreens());
-    t.done();
+  let iframeGetScreens;
+  let constructor;
+  await new Promise(resolve => {
+    iframe.contentWindow.onunload = () => {
+      // Grab these before the contentWindow is removed.
+      iframeGetScreens = iframe.contentWindow.getScreens;
+      constructor = iframe.contentWindow.DOMException;
+      resolve();
+    };
+    document.body.removeChild(iframe);
   });
+  assert_not_equals(iframeGetScreens, undefined);
+  assert_not_equals(constructor, undefined);
 
-  document.body.removeChild(iframe);
+  await t.step_wait(() => !iframe.contentWindow, "execution context invalid");
+  assert_equals(iframe.contentWindow, null);
+  await promise_rejects_dom(t, 'InvalidStateError', constructor, iframeGetScreens());
 }, "getScreens() resolves for attached iframe; rejects for detached iframe");
diff --git a/tests/wpt/web-platform-tests/screen_enumeration/isMultiScreen.tentative.https.window.js b/tests/wpt/web-platform-tests/screen_enumeration/isMultiScreen.tentative.https.window.js
index 515731cc04f..ac32dd05169 100644
--- a/tests/wpt/web-platform-tests/screen_enumeration/isMultiScreen.tentative.https.window.js
+++ b/tests/wpt/web-platform-tests/screen_enumeration/isMultiScreen.tentative.https.window.js
@@ -17,24 +17,29 @@ promise_test(async t => {
   assert_equals(typeof await self.isMultiScreen(), 'boolean');
 }, 'isMultiScreen() returns a boolean value with permission denied');
 
-async_test(async t => {
+promise_test(async t => {
   let iframe = document.body.appendChild(document.createElement('iframe'));
   assert_equals(typeof await iframe.contentWindow.isMultiScreen(), 'boolean');
 
-  iframe.contentWindow.onunload = t.step_func(async () => {
-    // TODO(crbug.com/1106132): This should reject or resolve; not hang.
-    // assert_equals(typeof await iframe.contentWindow.isMultiScreen(), 'boolean');
-
-    let iframeIsMultiScreen = iframe.contentWindow.isMultiScreen;
-    let constructor = iframe.contentWindow.DOMException;
-    assert_not_equals(iframeIsMultiScreen, undefined);
-    assert_not_equals(constructor, undefined);
-
-    await t.step_wait(() => !iframe.contentWindow, "execution context invalid");
-    assert_equals(iframe.contentWindow, null);
-    await promise_rejects_dom(t, 'InvalidStateError', constructor, iframeIsMultiScreen());
-    t.done();
+  let iframeIsMultiScreen;
+  let constructor;
+  await new Promise(resolve => {
+    iframe.contentWindow.onunload = () => {
+      // Grab these before the contentWindow is removed.
+      iframeIsMultiScreen = iframe.contentWindow.isMultiScreen;
+      constructor = iframe.contentWindow.DOMException;
+      resolve();
+    };
+    document.body.removeChild(iframe);
   });
 
-  document.body.removeChild(iframe);
+
+  // TODO(crbug.com/1106132): This should reject or resolve; not hang.
+  // assert_equals(typeof await iframe.contentWindow.isMultiScreen(), 'boolean');
+  assert_not_equals(iframeIsMultiScreen, undefined);
+  assert_not_equals(constructor, undefined);
+
+  await t.step_wait(() => !iframe.contentWindow, "execution context invalid");
+  assert_equals(iframe.contentWindow, null);
+  await promise_rejects_dom(t, 'InvalidStateError', constructor, iframeIsMultiScreen());
 }, "isMultiScreen() resolves for attached iframe; rejects for detached iframe");
diff --git a/tests/wpt/web-platform-tests/service-workers/service-worker/registration-script-module.https.html b/tests/wpt/web-platform-tests/service-workers/service-worker/registration-script-module.https.html
new file mode 100644
index 00000000000..9e39a1f75b2
--- /dev/null
+++ b/tests/wpt/web-platform-tests/service-workers/service-worker/registration-script-module.https.html
@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<title>Service Worker: Registration (module script)</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/test-helpers.sub.js"></script>
+<script src="resources/registration-tests-script.js"></script>
+<script>
+registration_tests_script(
+    (script, options) => navigator.serviceWorker.register(
+        script,
+        Object.assign({type: 'module'}, options)),
+    'module');
+</script>
diff --git a/tests/wpt/web-platform-tests/service-workers/service-worker/registration-script.https.html b/tests/wpt/web-platform-tests/service-workers/service-worker/registration-script.https.html
index f70b9e67626..f1e51fd265e 100644
--- a/tests/wpt/web-platform-tests/service-workers/service-worker/registration-script.https.html
+++ b/tests/wpt/web-platform-tests/service-workers/service-worker/registration-script.https.html
@@ -5,5 +5,8 @@
 <script src="resources/test-helpers.sub.js"></script>
 <script src="resources/registration-tests-script.js"></script>
 <script>
-registration_tests_script((script, options) => navigator.serviceWorker.register(script, options));
+registration_tests_script(
+    (script, options) => navigator.serviceWorker.register(script, options),
+    'classic'
+);
 </script>
diff --git a/tests/wpt/web-platform-tests/service-workers/service-worker/resources/registration-tests-script.js b/tests/wpt/web-platform-tests/service-workers/service-worker/resources/registration-tests-script.js
index 4d08efd21f8..f400bb91af9 100644
--- a/tests/wpt/web-platform-tests/service-workers/service-worker/resources/registration-tests-script.js
+++ b/tests/wpt/web-platform-tests/service-workers/service-worker/resources/registration-tests-script.js
@@ -1,6 +1,6 @@
 // Registration tests that mostly exercise the service worker script contents or
 // response.
-function registration_tests_script(register_method) {
+function registration_tests_script(register_method, type) {
   promise_test(function(t) {
       var script = 'resources/invalid-chunked-encoding.py';
       var scope = 'resources/scope/invalid-chunked-encoding/';
@@ -46,14 +46,16 @@ function registration_tests_script(register_method) {
           'Registration of script including uncaught exception should fail.');
     }, 'Registering script including uncaught exception');
 
-  promise_test(function(t) {
-      var script = 'resources/malformed-worker.py?import-malformed-script';
-      var scope = 'resources/scope/import-malformed-script';
-      return promise_rejects_js(t,
-          TypeError,
-          register_method(script, {scope: scope}),
-          'Registration of script importing malformed script should fail.');
-    }, 'Registering script importing malformed script');
+  if (type === 'classic') {
+    promise_test(function(t) {
+        var script = 'resources/malformed-worker.py?import-malformed-script';
+        var scope = 'resources/scope/import-malformed-script';
+        return promise_rejects_js(t,
+            TypeError,
+            register_method(script, {scope: scope}),
+            'Registration of script importing malformed script should fail.');
+      }, 'Registering script importing malformed script');
+  }
 
   promise_test(function(t) {
       var script = 'resources/no-such-worker.js';
@@ -64,14 +66,16 @@ function registration_tests_script(register_method) {
           'Registration of non-existent script should fail.');
     }, 'Registering non-existent script');
 
-  promise_test(function(t) {
-      var script = 'resources/malformed-worker.py?import-no-such-script';
-      var scope = 'resources/scope/import-no-such-script';
-      return promise_rejects_js(t,
-          TypeError,
-          register_method(script, {scope: scope}),
-          'Registration of script importing non-existent script should fail.');
-    }, 'Registering script importing non-existent script');
+  if (type === 'classic') {
+    promise_test(function(t) {
+        var script = 'resources/malformed-worker.py?import-no-such-script';
+        var scope = 'resources/scope/import-no-such-script';
+        return promise_rejects_js(t,
+            TypeError,
+            register_method(script, {scope: scope}),
+            'Registration of script importing non-existent script should fail.');
+      }, 'Registering script importing non-existent script');
+  }
 
   promise_test(function(t) {
       var script = 'resources/malformed-worker.py?caught-exception';
diff --git a/tests/wpt/web-platform-tests/svg/shapes/reftests/disabled-shapes-01.svg b/tests/wpt/web-platform-tests/svg/shapes/reftests/disabled-shapes-01.svg
index 65364dc08ff..49572fe71e7 100644
--- a/tests/wpt/web-platform-tests/svg/shapes/reftests/disabled-shapes-01.svg
+++ b/tests/wpt/web-platform-tests/svg/shapes/reftests/disabled-shapes-01.svg
@@ -9,15 +9,25 @@
   <g stroke="red" stroke-width="100">
     <g transform="translate(50, 50)">
       <rect/>
+      <rect width="10"/>
+      <rect height="10"/>
+      <rect width="10%"/>
+      <rect height="10%"/>
       <rect width="0" height="10"/>
       <rect width="-10" height="10"/>
       <rect height="0" width="10"/>
       <rect height="-10" width="10"/>
       <rect style="width: 0"/>
+      <rect style="width: 10px"/>
+      <rect style="width: 10%"/>
+      <rect style="width: calc(10%+10px)"/>
       <rect style="width: 0" height="10"/>
       <rect style="width: -10px"/>
       <rect style="width: -10px" height="10"/>
       <rect style="height: 0"/>
+      <rect style="height: 10px"/>
+      <rect style="height: 10%"/>
+      <rect style="height: calc(10%+10px)"/>
       <rect style="height: 0" width="10"/>
       <rect style="height: -10px"/>
       <rect style="height: -10px" width="10"/>
diff --git a/tests/wpt/web-platform-tests/svg/shapes/reftests/polygon-with-filtered-marker.html b/tests/wpt/web-platform-tests/svg/shapes/reftests/polygon-with-filtered-marker.html
new file mode 100644
index 00000000000..def8adc6852
--- /dev/null
+++ b/tests/wpt/web-platform-tests/svg/shapes/reftests/polygon-with-filtered-marker.html
@@ -0,0 +1,10 @@
+<!doctype html>
+<title>Filtered &lt;marker> with &lt;clipPath> ancestor on &lt;polygon></title>
+<link rel="match" href="../../struct/reftests/reference/green-100x100.html">
+<svg>
+  <clipPath>
+    <marker id="m" filter="url(#f)"/>
+    <filter id="f"/>
+  </clipPath>
+  <polygon points="0,0 100,0 100,100 0,100" fill="green" marker-start="url(#m)"/>
+</svg>
diff --git a/tests/wpt/web-platform-tests/web-share/share-url-invalid.https.html b/tests/wpt/web-platform-tests/web-share/share-url-invalid.https.html
index d7ffd3b11ce..cb76458c24c 100644
--- a/tests/wpt/web-platform-tests/web-share/share-url-invalid.https.html
+++ b/tests/wpt/web-platform-tests/web-share/share-url-invalid.https.html
@@ -40,6 +40,12 @@
         return promise_rejects_js(t, TypeError, promise);
       }, "share() rejects chrome: URLs");
 
+      promise_test(async t => {
+        await test_driver.bless();
+        const promise = navigator.share({ url: "javascript:window.alert('error')" });
+        return promise_rejects_js(t, TypeError, promise);
+      }, "share() rejects javascript: URLs");
+
       promise_test(async t => {
         await test_driver.bless();
         const file = new File([], "text/plain");
diff --git a/tests/wpt/web-platform-tests/webusb/usb-allowed-by-feature-policy.https.sub.html b/tests/wpt/web-platform-tests/webusb/usb-allowed-by-feature-policy.https.sub.html
index 9ec25eadba3..831cb42cab6 100644
--- a/tests/wpt/web-platform-tests/webusb/usb-allowed-by-feature-policy.https.sub.html
+++ b/tests/wpt/web-platform-tests/webusb/usb-allowed-by-feature-policy.https.sub.html
@@ -27,15 +27,17 @@ async_test(t => {
       expect_feature_available_default);
 }, header + ' allows workers in same-origin iframes.');
 
+// Set allow="usb" on iframe element to delegate 'usb' to cross origin subframe.
 async_test(t => {
   test_feature_availability('usb.getDevices()', t, cross_origin_src,
-      expect_feature_available_default);
+      expect_feature_available_default, 'usb');
 }, header + ' allows cross-origin iframes.');
 
+// Set allow="usb" on iframe element to delegate 'usb' to cross origin subframe.
 async_test(t => {
   test_feature_availability('usb.getDevices()', t,
       cross_origin_worker_frame_src,
-      expect_feature_available_default);
+      expect_feature_available_default, 'usb');
 }, header + ' allows workers in cross-origin iframes.');
 
 fetch_tests_from_worker(new Worker(
diff --git a/tests/wpt/web-platform-tests/workers/Worker-terminate-forever-during-evaluation.html b/tests/wpt/web-platform-tests/workers/Worker-terminate-forever-during-evaluation.html
index a45a4cd2105..4513c5b5379 100644
--- a/tests/wpt/web-platform-tests/workers/Worker-terminate-forever-during-evaluation.html
+++ b/tests/wpt/web-platform-tests/workers/Worker-terminate-forever-during-evaluation.html
@@ -5,32 +5,60 @@
 <script>
 // The tests here are to provide execution coverage for the code paths for
 // forcible worker termination.
-// Currently, no specific expectation are set here, i.e. expectation here is
-// not to crush, not to cause assertion failures, etc.
+// Expectation here is:
+// - Not to crash, not to cause assertion failures
+// - No WorkerGlobalScope error events and thus Worker error events are fired
+//   (#report-the-exception is not called when a script is terminated during
+//   #run-a-classic-script/#run-a-module-script according to the spec)
+// - Nothing after infinte loop, promise resolusion/rejection etc. occurs.
 
-async_test((t) => {
-  const worker = new Worker('support/Worker-run-forever.js');
-  worker.onmessage = () => {
-    worker.terminate();
-    // To make the worker forcibly terminated, because in Chromium worker is
-    // forcibly terminated after 2 seconds.
-    t.step_timeout(function() { t.done(); }, 4000);
-  };
-}, 'Worker is terminated during top-level script evaluation');
-
-async_test((t) => {
-  const worker = new Worker('support/Worker-run-forever-during-importScripts.js');
-  worker.onmessage = () => {
-    worker.terminate();
-    t.step_timeout(function() { t.done(); }, 4000);
-  };
-}, 'Worker is terminated during importScripts() call');
-
-async_test((t) => {
-  const worker = new Worker('support/Worker-run-forever-during-nested-importScripts.js');
-  worker.onmessage = () => {
-    worker.terminate();
-    t.step_timeout(function() { t.done(); }, 4000);
-  };
-}, 'Worker is terminated during nested importScripts() call');
+for (const test of [
+  {
+    url: 'support/Worker-run-forever.js',
+    description: 'Worker is terminated during top-level script evaluation'
+  },
+  {
+    url: 'support/Worker-run-forever.js',
+    options: {type: 'module'},
+    description: 'Worker is terminated during top-level script evaluation (module)'
+  },
+  {
+    url: 'support/Worker-run-forever-during-importScripts.js',
+    description: 'Worker is terminated during importScripts() call'
+  },
+  {
+    url: 'support/Worker-run-forever-during-nested-importScripts.js',
+    description: 'Worker is terminated during nested importScripts() call'
+  },
+  {
+    url: 'support/Worker-run-forever-during-dynamic-import.js',
+    description: 'Worker is terminated during dynamic import()'
+  },
+  {
+    url: 'support/Worker-run-forever-during-dynamic-import.js',
+    options: {type: 'module'},
+    description: 'Worker is terminated during dynamic import() (module)'
+  }
+]) {
+  async_test((t) => {
+    const worker = new Worker(test.url, test.options);
+    worker.onerror = t.step_func(e => {
+      // Calls preventDefault() to prevent this event from being considered
+      // as an uncaught exception.
+      e.preventDefault();
+      assert_unreached('onerror');
+    });
+    worker.onmessage = t.step_func((e) => {
+      if (e.data === 'start') {
+        worker.terminate();
+        // To make the worker forcibly terminated, because in Chromium worker is
+        // forcibly terminated after 2 seconds.
+        t.step_timeout(function() { t.done(); }, 4000);
+      }
+      else {
+        assert_unreached('Unexpected message received: ' + e.data);
+      }
+    });
+  }, test.description);
+}
 </script>
diff --git a/tests/wpt/web-platform-tests/workers/support/Worker-run-forever-during-dynamic-import.js b/tests/wpt/web-platform-tests/workers/support/Worker-run-forever-during-dynamic-import.js
new file mode 100644
index 00000000000..62840bd5b4f
--- /dev/null
+++ b/tests/wpt/web-platform-tests/workers/support/Worker-run-forever-during-dynamic-import.js
@@ -0,0 +1,3 @@
+import('./Worker-run-forever.js')
+  .then(r => postMessage('resolved: ' + r))
+  .catch(e => postMessage('rejected: ' + e));
diff --git a/tests/wpt/web-platform-tests/workers/support/Worker-run-forever-during-importScripts.js b/tests/wpt/web-platform-tests/workers/support/Worker-run-forever-during-importScripts.js
index 3a0fb4bb063..6a3083f3821 100644
--- a/tests/wpt/web-platform-tests/workers/support/Worker-run-forever-during-importScripts.js
+++ b/tests/wpt/web-platform-tests/workers/support/Worker-run-forever-during-importScripts.js
@@ -1 +1,4 @@
 importScripts('Worker-run-forever.js');
+
+// This is not expected to run.
+postMessage('after importScripts()');
diff --git a/tests/wpt/web-platform-tests/workers/support/Worker-run-forever.js b/tests/wpt/web-platform-tests/workers/support/Worker-run-forever.js
index 679f908c202..2d822d407f4 100644
--- a/tests/wpt/web-platform-tests/workers/support/Worker-run-forever.js
+++ b/tests/wpt/web-platform-tests/workers/support/Worker-run-forever.js
@@ -1,2 +1,3 @@
 postMessage('start');
+onerror = () => postMessage('onerror');
 while(1);