Update web-platform-tests to revision b'3b791e5b10812a4ca4473d93679fc70d1a7f5f88'

tests/wpt/metadata/FileAPI/url/url-charset.window.js.ini

@@ -1,4 +0,0 @@
-[url-charset.window.html]
-  expected: TIMEOUT
-  [Blob charset should override any auto-detected charset.]
-    expected: TIMEOUT

tests/wpt/metadata/css/CSS2/floats/hit-test-floats-002.html.ini

@@ -1,3 +0,0 @@
-[hit-test-floats-002.html]
-  [Hit test float]
-    expected: FAIL

tests/wpt/metadata/css/CSS2/normal-flow/block-in-inline-hittest-002.html.ini

@@ -1,6 +1,3 @@
 [block-in-inline-hittest-002.html]
   [elementsFromPoint]
     expected: FAIL
-
-  [elementFromPoint]
-    expected: FAIL

tests/wpt/metadata/css/CSS2/normal-flow/block-in-inline-hittest-relpos-zindex.html.ini

@@ -1,6 +1,3 @@
 [block-in-inline-hittest-relpos-zindex.html]
   [position: relative; z-index: -1;]
     expected: FAIL
-
-  [block-in-inline-hittest-relpos-zindex]
-    expected: FAIL

tests/wpt/metadata/css/css-images/image-set/image-set-computed.sub.html.ini

@@ -64,3 +64,15 @@
 
   [Property content value '-webkit-image-set(url('http://web-platform.test/example.png') 192dpi, linear-gradient(black, white) 1x)']
     expected: FAIL
+
+  [Property background-image value 'image-set(url("http://web-platform.test/example.png") type("image/unsupported"))']
+    expected: FAIL
+
+  [Property background-image value '-webkit-image-set(url("http://web-platform.test/example.png") type("image/unsupported"))']
+    expected: FAIL
+
+  [Property background-image value 'image-set(url("http://web-platform.test/example.png") 2x type("image/unsupported"), url("http://web-platform.test/example.png") 1x type("image/unsupported"))']
+    expected: FAIL
+
+  [Property background-image value '-webkit-image-set(url("http://web-platform.test/example.png") 2x type("image/unsupported"), url("http://web-platform.test/example.png") 1x type("image/unsupported"))']
+    expected: FAIL

tests/wpt/metadata/css/css-text/white-space/text-wrap-balance-002.html.ini

@@ -0,0 +1,2 @@
+[text-wrap-balance-002.html]
+  expected: FAIL

tests/wpt/metadata/css/css-text/white-space/white-space-vs-joiners-002.html.ini

@@ -0,0 +1,2 @@
+[white-space-vs-joiners-002.html]
+  expected: FAIL

tests/wpt/metadata/css/css-transitions/properties-value-inherit-003.html.ini

@@ -4,90 +4,3 @@
 
   [background-position length-em(em) / values]
     expected: FAIL
-
-  [border-top-width length-em(em) / events]
-    expected: FAIL
-
-  [border-right-width length-em(em) / events]
-    expected: FAIL
-
-  [border-bottom-width length-em(em) / events]
-    expected: FAIL
-
-  [border-left-width length-em(em) / events]
-    expected: FAIL
-
-  [padding-bottom length-em(em) / events]
-    expected: FAIL
-
-  [padding-left length-em(em) / events]
-    expected: FAIL
-
-  [padding-right length-em(em) / events]
-    expected: FAIL
-
-  [padding-top length-em(em) / events]
-    expected: FAIL
-
-  [margin-bottom length-em(em) / events]
-    expected: FAIL
-
-  [margin-left length-em(em) / events]
-    expected: FAIL
-
-  [margin-right length-em(em) / events]
-    expected: FAIL
-
-  [margin-top length-em(em) / events]
-    expected: FAIL
-
-  [height length-em(em) / events]
-    expected: FAIL
-
-  [width length-em(em) / events]
-    expected: FAIL
-
-  [min-height length-em(em) / events]
-    expected: FAIL
-
-  [min-width length-em(em) / events]
-    expected: FAIL
-
-  [max-height length-em(em) / events]
-    expected: FAIL
-
-  [max-width length-em(em) / events]
-    expected: FAIL
-
-  [top length-em(em) / events]
-    expected: FAIL
-
-  [right length-em(em) / events]
-    expected: FAIL
-
-  [bottom length-em(em) / events]
-    expected: FAIL
-
-  [left length-em(em) / events]
-    expected: FAIL
-
-  [line-height length-em(em) / events]
-    expected: FAIL
-
-  [letter-spacing length-em(em) / events]
-    expected: FAIL
-
-  [word-spacing length-em(em) / events]
-    expected: FAIL
-
-  [text-indent length-em(em) / events]
-    expected: FAIL
-
-  [outline-offset length-em(em) / events]
-    expected: FAIL
-
-  [outline-width length-em(em) / events]
-    expected: FAIL
-
-  [vertical-align length-em(em) / events]
-    expected: FAIL

tests/wpt/metadata/css/css-variables/variable-definition.html.ini

@@ -80,9 +80,6 @@
   [ trailing white space (single space)]
     expected: FAIL
 
-  [ middle white space (double space) 2]
-    expected: FAIL
-
   [ trailing white space (double space) 2]
     expected: FAIL
 
@@ -95,9 +92,6 @@
   [ trailing white space (single space) (Computed Style)]
     expected: FAIL
 
-  [ middle white space (double space) 2 (Computed Style)]
-    expected: FAIL
-
   [ trailing white space (double space) 2 (Computed Style)]
     expected: FAIL
 
@@ -110,9 +104,6 @@
   [ trailing white space (single space) (Cascading)]
     expected: FAIL
 
-  [ middle white space (double space) 2 (Cascading)]
-    expected: FAIL
-
   [ trailing white space (double space) 2 (Cascading)]
     expected: FAIL
 

tests/wpt/metadata/css/cssom-view/CaretPosition-001.html.ini

@@ -1,3 +0,0 @@
-[CaretPosition-001.html]
-  [Element at (400, 100)]
-    expected: FAIL

tests/wpt/metadata/css/cssom-view/elementFromPoint-001.html.ini

@@ -1,3 +0,0 @@
-[elementFromPoint-001.html]
-  [CSSOM View - 5 - extensions to the Document interface]
-    expected: FAIL

tests/wpt/metadata/css/cssom-view/elementFromPoint-float-in-table.html.ini

@@ -1,3 +0,0 @@
-[elementFromPoint-float-in-table.html]
-  [float-in-div]
-    expected: FAIL

tests/wpt/metadata/css/cssom-view/elementFromPoint-subpixel.html.ini

@@ -0,0 +1,3 @@
+[elementFromPoint-subpixel.html]
+  [Hit test top left corner of box]
+    expected: FAIL

tests/wpt/metadata/css/cssom-view/elementsFromPoint-invalid-cases.html.ini

@@ -0,0 +1,3 @@
+[elementsFromPoint-invalid-cases.html]
+  [The root element is the last element returned for otherwise empty queries within the viewport]
+    expected: FAIL

tests/wpt/metadata/fetch/metadata/generated/css-images.sub.tentative.html.ini

@@ -146,6 +146,3 @@
 
   [list-style-image sec-fetch-site - HTTPS downgrade-upgrade]
     expected: FAIL
-
-  [background-image sec-fetch-site - HTTPS downgrade (header not sent)]
-    expected: TIMEOUT

tests/wpt/metadata/fetch/orb/tentative/known-mime-type.sub.any.js.ini

@@ -8,6 +8,12 @@
   [ORB should block opaque application/json]
     expected: FAIL
 
+  [ORB should block opaque application/json (non-empty)]
+    expected: FAIL
+
+  [ORB should block opaque application/json (empty)]
+    expected: FAIL
+
 
 [known-mime-type.sub.any.worker.html]
   [ORB should block opaque font/ttf]
@@ -18,3 +24,9 @@
 
   [ORB should block opaque application/json]
     expected: FAIL
+
+  [ORB should block opaque application/json (non-empty)]
+    expected: FAIL
+
+  [ORB should block opaque application/json (empty)]
+    expected: FAIL

tests/wpt/metadata/fetch/private-network-access/worker-blob-fetch.window.js.ini

@@ -43,3 +43,6 @@
 
   [public https to local https: failure.]
     expected: FAIL
+
+  [public to public: success.]
+    expected: FAIL

tests/wpt/metadata/html/browsers/browsing-the-web/history-traversal/persisted-user-state-restoration/scroll-restoration-fragment-scrolling-cross-origin.html.ini

@@ -1,6 +1,6 @@
 [scroll-restoration-fragment-scrolling-cross-origin.html]
   type: testharness
-  expected: TIMEOUT
+  expected: ERROR
   [Manual scroll restoration should take precedent over scrolling to fragment in cross origin navigation]
     expected: TIMEOUT
 

tests/wpt/metadata/html/browsers/browsing-the-web/history-traversal/srcdoc/consecutive-srcdoc.html.ini

@@ -1,6 +1,7 @@
 [consecutive-srcdoc.html]
+  expected: TIMEOUT
   [changing srcdoc does a replace navigation since the URL is still about:srcdoc]
     expected: FAIL
 
   [changing srcdoc to about:srcdoc#yo then another srcdoc does two push navigations and we can navigate back]
-    expected: FAIL
+    expected: TIMEOUT

tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/005.html.ini

@@ -1,4 +1,3 @@
 [005.html]
-  expected: TIMEOUT
   [Link with onclick navigation and href navigation ]
     expected: FAIL

tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/initial-empty-document/iframe-src-aboutblank-navigate-immediately.html.ini

@@ -1,9 +1,10 @@
 [iframe-src-aboutblank-navigate-immediately.html]
+  expected: TIMEOUT
   [Navigating to a different document with window.open]
     expected: FAIL
 
   [Navigating to a different document with form submission]
-    expected: FAIL
+    expected: TIMEOUT
 
   [Navigating to a different document with link click]
     expected: FAIL

tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/javascript-url-referrer.window.js.ini

@@ -1,6 +1,10 @@
 [javascript-url-referrer.window.html]
+  expected: TIMEOUT
   [unsafe-url referrer policy used to create the starting page]
     expected: FAIL
 
   [origin referrer policy used to create the starting page]
     expected: FAIL
+
+  [no-referrer referrer policy used to create the starting page]
+    expected: TIMEOUT

tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/navigation-unload-cross-origin.sub.window.js.ini

@@ -1,3 +0,0 @@
-[navigation-unload-cross-origin.sub.window.html]
-  [Cross-origin navigation started from unload handler must be ignored]
-    expected: FAIL

tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/navigation-unload-same-origin.window.js.ini

@@ -1,3 +0,0 @@
-[navigation-unload-same-origin.window.html]
-  [Same-origin navigation started from unload handler must be ignored]
-    expected: FAIL

tests/wpt/metadata/html/browsers/browsing-the-web/navigating-across-documents/replace-before-load/a-click.html.ini

@@ -1,3 +0,0 @@
-[a-click.html]
-  [aElement.click() before the load event must NOT replace]
-    expected: FAIL

tests/wpt/metadata/html/browsers/history/the-history-interface/traverse-during-unload.html.ini

@@ -0,0 +1,4 @@
+[traverse-during-unload.html]
+  expected: TIMEOUT
+  [Traversing the history during unload]
+    expected: TIMEOUT

tests/wpt/metadata/html/browsers/the-window-object/open-close/creating_browsing_context_test_01.html.ini

@@ -1,4 +1,3 @@
 [creating_browsing_context_test_01.html]
-  expected: TIMEOUT
   [first argument: absolute url]
-    expected: TIMEOUT
+    expected: FAIL

tests/wpt/metadata/html/interaction/focus/the-autofocus-attribute/supported-elements.html.ini

@@ -1,19 +1,15 @@
 [supported-elements.html]
-  expected: TIMEOUT
   [Contenteditable element should support autofocus]
     expected: FAIL
 
   [Element with tabindex should support autofocus]
-    expected: TIMEOUT
+    expected: FAIL
 
   [Host element with delegatesFocus including no focusable descendants should be skipped]
-    expected: NOTRUN
+    expected: FAIL
 
   [Area element should support autofocus]
-    expected: NOTRUN
+    expected: FAIL
 
   [Host element with delegatesFocus should support autofocus]
-    expected: NOTRUN
+    expected: FAIL
-
-  [Non-HTMLElement should not support autofocus]
-    expected: NOTRUN

tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-1.html.ini

@@ -1,5 +1,4 @@
 [iframe_sandbox_popups_escaping-1.html]
   type: testharness
-  expected: TIMEOUT
   [Check that popups from a sandboxed iframe escape the sandbox if\n       allow-popups-to-escape-sandbox is used]
-    expected: TIMEOUT
+    expected: FAIL

tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-2.html.ini

@@ -1,5 +1,4 @@
 [iframe_sandbox_popups_nonescaping-2.html]
   type: testharness
-  expected: TIMEOUT
   [Check that popups from a sandboxed iframe do not escape the sandbox]
-    expected: NOTRUN
+    expected: FAIL

tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/sandbox-top-navigation-child-special-cases.tentative.sub.window.js.ini

@@ -1,4 +1,5 @@
 [sandbox-top-navigation-child-special-cases.tentative.sub.window.html]
+  expected: TIMEOUT
   [Allow top with user activation + user activation]
     expected: FAIL
 

tests/wpt/metadata/html/semantics/forms/form-submission-0/multipart-formdata.window.js.ini

@@ -175,3 +175,6 @@
 
   [multipart/form-data: backslash in value (formdata event)]
     expected: FAIL
+
+  [multipart/form-data: Basic test (formdata event)]
+    expected: FAIL

tests/wpt/metadata/html/semantics/forms/form-submission-0/text-plain.window.js.ini

@@ -172,3 +172,9 @@
 
   [text/plain: Basic test (formdata event)]
     expected: FAIL
+
+  [text/plain: Basic File test (formdata event)]
+    expected: FAIL
+
+  [text/plain: 0x00 in name (formdata event)]
+    expected: FAIL

tests/wpt/metadata/html/semantics/forms/form-submission-0/urlencoded2.window.js.ini

@@ -172,3 +172,9 @@
 
   [application/x-www-form-urlencoded: 0x00 in filename (formdata event)]
     expected: FAIL
+
+  [application/x-www-form-urlencoded: 0x00 in name (normal form)]
+    expected: FAIL
+
+  [application/x-www-form-urlencoded: \\r\\n in filename (formdata event)]
+    expected: FAIL

tests/wpt/metadata/html/syntax/parsing/DOMContentLoaded-defer.html.ini

@@ -1,3 +0,0 @@
-[DOMContentLoaded-defer.html]
-  [The end: DOMContentLoaded and defer scripts]
-    expected: FAIL

tests/wpt/metadata/html/webappapis/dynamic-markup-insertion/document-write/module-delayed.html.ini

@@ -0,0 +1,3 @@
+[module-delayed.html]
+  [async document.write in a module]
+    expected: FAIL

tests/wpt/metadata/html/webappapis/scripting/events/compile-event-handler-settings-objects.html.ini

@@ -3,6 +3,3 @@
   expected: TIMEOUT
   [The incumbent settings object while executing the compiled callback via Web IDL's invoke must be that of the node document]
     expected: TIMEOUT
-
-  [The entry settings object while executing the compiled callback via Web IDL's invoke must be that of the node document]
-    expected: FAIL

tests/wpt/metadata/webaudio/the-audio-api/the-audiocontext-interface/audiocontext-not-fully-active.html.ini

@@ -1,5 +1,4 @@
 [audiocontext-not-fully-active.html]
-  expected: TIMEOUT
   [frame in navigated remote-site frame]
     expected: FAIL
 

tests/wpt/metadata/webmessaging/broadcastchannel/cross-partition.https.tentative.html.ini

@@ -1,5 +1,5 @@
 [cross-partition.https.tentative.html]
-  expected: CRASH
+  expected: TIMEOUT
   [BroadcastChannel messages aren't received from a cross-partition iframe]
     expected: FAIL
 

tests/wpt/metadata/workers/constructors/Worker/Worker-constructor.html.ini

@@ -0,0 +1,2 @@
+[Worker-constructor.html]
+  expected: ERROR

tests/wpt/mozilla/meta/css/stylesheet_media_queries.html.ini

@@ -0,0 +1,3 @@
+[stylesheet_media_queries.html]
+  [Media queries within stylesheets]
+    expected: FAIL

tests/wpt/mozilla/meta/mozilla/scrollBy.html.ini

@@ -1,3 +0,0 @@
-[scrollBy.html]
-  [Ensure that the window.scrollBy function affects scroll position as expected]
-    expected: FAIL

tests/wpt/web-platform-tests/background-fetch/mixed-content-and-allowed-schemes.https.window.js

@@ -30,22 +30,29 @@ backgroundFetchTest((t, bgFetch) => {
   return bgFetch.fetch(uniqueId(), 'http://localhost');
 }, 'localhost http: fetch should register ok');
 
+function testBgFetch(bgFetch, url)
+{
+  return bgFetch.fetch(uniqueId(), url).then(fetch => {
+    return fetch.match(url);
+  }).then(match => match.responseReady);
+}
+
 backgroundFetchTest((t, bgFetch) => {
   return promise_rejects_js(t, TypeError,
-                         bgFetch.fetch(uniqueId(), 'wss:127.0.0.1'));
+                         testBgFetch(bgFetch, 'wss:127.0.0.1'));
 }, 'wss: fetch should reject');
 
 backgroundFetchTest((t, bgFetch) => {
   return promise_rejects_js(t, TypeError,
-                         bgFetch.fetch(uniqueId(), 'file:///'));
+                         testBgFetch(bgFetch, 'file:///'));
 }, 'file: fetch should reject');
 
 backgroundFetchTest((t, bgFetch) => {
   return promise_rejects_js(t, TypeError,
-                         bgFetch.fetch(uniqueId(), 'data:text/plain,foo'));
+                         testBgFetch(bgFetch, 'data:text/plain,foo'));
 }, 'data: fetch should reject');
 
 backgroundFetchTest((t, bgFetch) => {
   return promise_rejects_js(t, TypeError,
-                         bgFetch.fetch(uniqueId(), 'foobar:bazqux'));
+                         testBgFetch(bgFetch, 'foobar:bazqux'));
 }, 'unknown scheme fetch should reject');

tests/wpt/web-platform-tests/background-fetch/port-blocking.https.window.js

@@ -28,8 +28,12 @@ backgroundFetchTest((t, bgFetch) => {
   return bgFetch.fetch(uniqueId(), 'https://example.com:8080');
 }, 'fetch to non-default non-bad port (8080) should register ok');
 
-backgroundFetchTest((t, bgFetch) => {
+backgroundFetchTest(async (t, bgFetch) => {
+  const promise = bgFetch.fetch(uniqueId(), 'https://example.com:587').then(fetch => {
+    return fetch.match('https://example.com:587');
+  }).then(record => record.responseReady);
+
   return promise_rejects_js(
       t, TypeError,
-      bgFetch.fetch(uniqueId(), 'https://example.com:587'));
+      promise);
 }, 'fetch to bad port (SMTP) should reject');

tests/wpt/web-platform-tests/battery-status/api-defined.https.html

@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<html>
+<head>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/test-only-api.js"></script>
+<script src="resources/battery-status-helpers.js"></script>
+</head>
+<body>
+<script>
+battery_status_test(async (t, mockBatteryMonitor) => {
+  mockBatteryMonitor.setBatteryStatus(false, 10, 20, 0.5);
+  const battery = await navigator.getBattery();
+
+  assert_not_equals(battery, undefined);
+  assert_equals(typeof battery.charging, 'boolean');
+  assert_equals(typeof battery.chargingTime, 'number');
+  assert_equals(typeof battery.dischargingTime, 'number');
+  assert_equals(typeof battery.level, 'number');
+
+  mockBatteryMonitor.verifyBatteryStatus(battery);
+
+  assert_equals(typeof battery.onchargingchange, 'object');
+  assert_equals(typeof battery.onchargingtimechange, 'object');
+  assert_equals(typeof battery.ondischargingtimechange, 'object');
+  assert_equals(typeof battery.onlevelchange, 'object');
+}, 'verify basic getBattery API support');
+</script>
+</body>
+</html>

tests/wpt/web-platform-tests/battery-status/battery-allowed-in-same-origin-iframe.https.html

@@ -18,7 +18,7 @@ function load_iframe(iframe, src) {
 
 promise_test(async t => {
   let iframe = document.getElementById('blank');
-  const src = 'support-iframe.html';
+  const src = 'resources/support-iframe.html';
   iframe = await load_iframe(iframe, src);
   await iframe.contentWindow.navigator.getBattery();
 }, "navigator.getBattery() is allowed in same origin iframe");

tests/wpt/web-platform-tests/battery-status/battery-disallowed-in-cross-origin-iframe.https.sub.html

@@ -19,7 +19,7 @@ function load_iframe(iframe, src) {
 promise_test(async t => {
   let iframe = document.getElementById('blank');
   const path = location.pathname.substring(0, location.pathname.lastIndexOf('/') + 1);
-  const src = 'https://{{domains[www1]}}:{{ports[https][0]}}' + path + 'support-iframe.html';
+  const src = 'https://{{domains[www1]}}:{{ports[https][0]}}' + path + 'resources/support-iframe.html';
   iframe = await load_iframe(iframe, src);
   await promise_rejects_dom(t, 'NotAllowedError', iframe.contentWindow.navigator.getBattery());
 }, "throw a 'NotAllowedError' when invoking navigator.getBattery() within cross-origin iframe");

tests/wpt/web-platform-tests/battery-status/battery-promise-window.https.html

@@ -20,7 +20,7 @@
 <div id="log"></div>
 <script>
 async_test(function (t) {
-  var win = window.open('support-window-open.html');
+  var win = window.open('resources/support-window-open.html');
   window.onmessage = t.step_func(function(e) {
     assert_array_equals(e.data, [false, false, true]);
     win.close();

tests/wpt/web-platform-tests/battery-status/multiple-promises-after-resolve.https.html

@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<html>
+<head>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/test-only-api.js"></script>
+<script src="resources/battery-status-helpers.js"></script>
+</head>
+<body>
+<script>
+battery_status_test(async (t, mockBatteryMonitor)  => {
+  const promise1 = navigator.getBattery();
+  mockBatteryMonitor.setBatteryStatus(false, 10, 20, 0.5);
+  const result1 = await promise1;
+  mockBatteryMonitor.verifyBatteryStatus(result1);
+  const promise2 = navigator.getBattery();
+  assert_equals(promise1, promise2);
+  const result2 = await promise2;
+  mockBatteryMonitor.verifyBatteryStatus(result2);
+}, 'multiple consecutive invocations of navigator.getBattery()');
+</script>
+</body>
+</html>

tests/wpt/web-platform-tests/battery-status/multiple-promises.https.html

@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<html>
+<head>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/test-only-api.js"></script>
+<script src="resources/battery-status-helpers.js"></script>
+</head>
+<body>
+<script>
+battery_status_test(async (t, mockBatteryMonitor) => {
+  const promise1 = navigator.getBattery();
+  const promise2 = navigator.getBattery();
+  assert_equals(promise1, promise2);
+
+  mockBatteryMonitor.setBatteryStatus(false, 10, 20, 0.5);
+  mockBatteryMonitor.verifyBatteryStatus(await promise1);
+  mockBatteryMonitor.verifyBatteryStatus(await promise2);
+}, 'multiple parallel invocations of navigator.getBattery()');
+</script>
+</body>
+</html>

tests/wpt/web-platform-tests/battery-status/no-leak-on-detached-use.https.html

@@ -0,0 +1,48 @@
+<!DOCTYPE html>
+<html>
+<head>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+</head>
+<body>
+<script>
+function waitForMessage(data) {
+  return new Promise(
+      resolve => {
+        window.addEventListener('message', e => {
+          if (e.data == data) {
+            resolve();
+          }
+        }, {once: true});
+      });
+}
+
+promise_test(async t => {
+  const w = window.open('resources/window-postmessage-open-close.html');
+  await waitForMessage('opened');
+
+  const nav = w.navigator;
+  let result = nav.getBattery();
+  assert_equals(typeof result, 'object');
+  assert_equals(result.constructor, w.Promise);
+
+  w.close();
+  await waitForMessage('closed');
+  result = nav.getBattery();
+  assert_equals(result, undefined);
+}, 'navigator.getBattery() does not operate on a closed window');
+
+promise_test(async t => {
+  const iframe = document.createElement('iframe');
+  iframe.srcdoc = '<html></html>';
+  document.body.appendChild(iframe);
+
+  const frameNav = iframe.contentWindow.navigator;
+  document.body.removeChild(iframe);
+
+  const battery = await frameNav.getBattery();
+  assert_equals(battery, undefined);
+}, 'navigator.getBattery() on a detached frame does not leak or crash');
+</script>
+</body>
+</html>

tests/wpt/web-platform-tests/battery-status/page-visibility.https.html

@@ -0,0 +1,38 @@
+<!DOCTYPE html>
+<html>
+<head>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/test-only-api.js"></script>
+<script src="/resources/testdriver.js"></script>
+<script src="/resources/testdriver-vendor.js"></script>
+<script src="/page-visibility/resources/window_state_context.js"></script>
+<script src="resources/battery-status-helpers.js"></script>
+</head>
+<body>
+<script>
+battery_status_test(async (t, mockBatteryMonitor) => {
+  mockBatteryMonitor.setBatteryStatus(false, 10, 20, 0.5);
+  const battery = await navigator.getBattery();
+
+  mockBatteryMonitor.verifyBatteryStatus(battery);
+
+  const fail = () => { throw new Error('unexpected levelchange event'); };
+  battery.addEventListener('levelchange', fail);
+
+  const {minimize, restore} = window_state_context(t);
+  await minimize();
+  mockBatteryMonitor.setBatteryStatus(false, 10, 20, 0.55);
+  battery.removeEventListener('levelchange', fail);
+
+  const change =
+      new Promise(resolve => battery.addEventListener('levelchange', resolve));
+  await restore();
+  mockBatteryMonitor.setBatteryStatus(false, 10, 20, 0.6);
+  await change;
+
+  mockBatteryMonitor.verifyBatteryStatus(battery);
+}, 'battery status events only fire on visible pages');
+</script>
+</body>
+</html>

tests/wpt/web-platform-tests/battery-status/promise-with-eventlisteners.https.html

@@ -0,0 +1,36 @@
+<!DOCTYPE html>
+<html>
+<head>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/test-only-api.js"></script>
+<script src="resources/battery-status-helpers.js"></script>
+</head>
+<body>
+<script>
+function nextEvent(target, name) {
+  return new Promise(
+      resolve => target.addEventListener(name, resolve, {once: true}));
+}
+
+battery_status_test(async (t, mockBatteryMonitor) => {
+  mockBatteryMonitor.setBatteryStatus(false, 10, 20, 0.5);
+  const battery = await navigator.getBattery();
+
+  mockBatteryMonitor.verifyBatteryStatus(battery);
+
+  const events = Promise.all([
+    nextEvent(battery, 'chargingchange'),
+    nextEvent(battery, 'chargingtimechange'),
+    nextEvent(battery, 'dischargingtimechange'),
+    nextEvent(battery, 'levelchange'),
+  ]);
+
+  t.step_timeout(() => mockBatteryMonitor.setBatteryStatus(true, 11, 22, 0.6));
+
+  await events;
+  mockBatteryMonitor.verifyBatteryStatus(battery);
+}, 'event listeners fire as specified');
+</script>
+</body>
+</html>

tests/wpt/web-platform-tests/battery-status/resources/battery-status-helpers.js

@@ -0,0 +1,34 @@
+'use strict';
+
+// These tests rely on the User Agent providing an implementation of
+// platform battery status backends.
+//
+// In Chromium-based browsers this implementation is provided by a polyfill
+// in order to reduce the amount of test-only code shipped to users. To enable
+// these tests the browser must be run with these options:
+//
+//   --enable-blink-features=MojoJS,MojoJSTest
+
+let mockBatteryMonitor = undefined;
+
+function battery_status_test(func, name, properties) {
+  promise_test(async t => {
+    if (mockBatteryMonitor === undefined) {
+      if (isChromiumBased) {
+        const mocks =
+            await import('/resources/chromium/mock-battery-monitor.js');
+        mockBatteryMonitor = mocks.mockBatteryMonitor;
+      }
+    }
+    assert_implements(
+        mockBatteryMonitor, 'missing mockBatteryMonitor after initialization');
+
+    mockBatteryMonitor.start();
+
+    t.add_cleanup(() => {
+      mockBatteryMonitor.reset();
+      return mockBatteryMonitor.stop();
+    });
+    return func(t, mockBatteryMonitor);
+  }, name, properties);
+}

tests/wpt/web-platform-tests/battery-status/resources/window-postmessage-open-close.html

@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<!-- Used when testing access of a closed/detached window's properties -->
+<html>
+<body onunload="opener.postMessage('closed', '*');">
+<script>
+opener.postMessage("opened", "*");
+</script>
+</body>
+</html>

tests/wpt/web-platform-tests/battery-status/restricted-level-precision.https.html

@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<html>
+<head>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/test-only-api.js"></script>
+<script src="resources/battery-status-helpers.js"></script>
+</head>
+<body>
+<script>
+battery_status_test(async (t, mockBatteryMonitor) => {
+  const levelFullPrecision = 0.556789;
+  const levelRounded = 0.56;
+
+  mockBatteryMonitor.setBatteryStatus(false, 10, 20, levelFullPrecision);
+
+  const battery = await navigator.getBattery();
+  assert_equals(battery.level, levelRounded);
+}, 'battery level is reported with restricted precision');
+</script>
+</body>
+</html>

tests/wpt/web-platform-tests/cookies/resources/set-cookie.py

@@ -34,5 +34,5 @@ def main(request, response):
         (b"Content-Type", b"application/json"),
         (b"Set-Cookie", cookie)
     ]
-    body = b"dummy value"
+    body = b"var dummy='value';"
     return headers, body

tests/wpt/web-platform-tests/css/css-counter-styles/counter-style-at-rule/support/ref-common.css

@@ -5,7 +5,6 @@ body {
 div, p {
   padding: 0; margin: 0;
   line-height: 150%;
-  float: left;
 }
 p {
   padding-right: .5em;

tests/wpt/web-platform-tests/css/css-counter-styles/counter-style-at-rule/support/test-common.css

@@ -10,7 +10,6 @@ ol, ul {
   list-style-position: inside;
 }
 li, p {
-  float: left;
   padding: 0;
 }
 p {

tests/wpt/web-platform-tests/css/css-images/image-set/image-set-computed.sub.html

@@ -29,4 +29,8 @@ test_computed_value_variants('background-image', "image-set(url(http://{{host}}/
 test_computed_value_variants('background-image', "image-set(url(http://{{host}}/example.png) type('image/png'))", 'image-set(url("http://{{host}}/example.png") 1dppx type("image/png"))');
 test_computed_value_variants('background-image', "image-set(url(http://{{host}}/example.png) type('image/png') 1x)", 'image-set(url("http://{{host}}/example.png") 1dppx type("image/png"))');
 test_computed_value_variants('content', "image-set(url('http://{{host}}/example.png') 192dpi, linear-gradient(black, white) 1x)", 'image-set(url("http://{{host}}/example.png") 2dppx, linear-gradient(rgb(0, 0, 0), rgb(255, 255, 255)) 1dppx)');
+
+// Unsupported type should still serialize.
+test_computed_value_variants('background-image', 'image-set(url("http://{{host}}/example.png") type("image/unsupported"))', 'image-set(url("http://{{host}}/example.png") 1dppx type("image/unsupported"))');
+test_computed_value_variants('background-image', 'image-set(url("http://{{host}}/example.png") 2x type("image/unsupported"), url("http://{{host}}/example.png") 1x type("image/unsupported"))', 'image-set(url("http://{{host}}/example.png") 2dppx type("image/unsupported"), url("http://{{host}}/example.png") 1dppx type("image/unsupported"))');
 </script>

tests/wpt/web-platform-tests/css/css-multicol/crashtests/multicol-parallel-flow-after-spanner-in-inline.html

@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
+<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1417514">
+<div style="columns:3; column-fill:auto; height:64px;">
+  <span>
+    <div style="column-span:all; height:50px;"></div>
+    <div style="height:13px; padding-top:1px;">
+      <div style="columns:2; padding-bottom:5px;">
+        <div style="contain:size; width:1px; height:20px;"></div>
+      </div>
+    </div>
+  </span>
+</div>

tests/wpt/web-platform-tests/css/css-multicol/crashtests/multicol-table-caption-parallel-flow-after-spanner-in-inline.html

@@ -0,0 +1,15 @@
+<!DOCTYPE html>
+<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
+<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1417514">
+<div style="columns:2; column-fill:auto; height:100px;">
+  <span>
+    <div style="column-span:all; height:86px;"></div>
+    <div style="height:13px; padding-top:1px;">
+      <table style="padding-bottom:3px;">
+        <caption style="columns:2;">
+          <div style="contain:size; width:1px; height:20px;"></div>
+        </caption>
+      </table>
+    </div>
+  </span>
+</div>

tests/wpt/web-platform-tests/css/css-multicol/parallel-flow-after-spanner-001.html

@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
+<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1417514">
+<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+<div style="columns:2; column-fill:auto; gap:0; width:100px; height:100px; background:red;">
+  <span>
+    <div style="column-span:all; height:50px; background:green;"></div>
+    <div style="height:50px; background:green;">
+      <div style="height:120px;"></div>
+    </div>
+    <div style="display:inline-block; vertical-align:top; width:50px; height:50px; background:green;"></div>
+  </span>
+</div>

tests/wpt/web-platform-tests/css/css-multicol/parallel-flow-after-spanner-002.html

@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
+<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1417514">
+<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+<div style="columns:2; column-fill:auto; gap:0; width:100px; height:100px; background:red;">
+  <div style="height:10px;">
+    <div style="column-span:all; height:50px; background:green;"></div>
+    <div style="height:50px;"></div>
+    <div style="height:50px; background:green;"></div>
+    <div style="height:200px;"></div>
+  </div>
+  <div style="margin-top:-10px; height:50px; background:green;"></div>
+</div>

tests/wpt/web-platform-tests/css/css-text/white-space/reference/text-wrap-balance-002-ref.html

@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
+<style>
+.container {
+  font-family: Ahem;
+  font-size: 20px;
+  width: 20ch;
+}
+</style>
+<div class="container">
+  123 567 901 345 789 123
+</div>

tests/wpt/web-platform-tests/css/css-text/white-space/reference/white-space-vs-joiners-001-ref.html

@@ -0,0 +1,27 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+
+<title>CSS Text reference</title>
+<link rel="author" title="Jonathan Kew" href="mailto:jkew@mozilla.com">
+
+<style>
+p {
+  width: fit-content;
+  border: 2px solid green;
+  font: 24px monospace;
+}
+</style>
+
+<body>
+</body>
+
+<script>
+for (i = 0x200b; i <= 0x200f; ++i) {
+  txt = "This should have no leading or trailing ["
+    + i.toString(16)
+    + "]";
+  p = document.createElement("p");
+  p.textContent = txt;
+  document.body.appendChild(p);
+}
+</script>

tests/wpt/web-platform-tests/css/css-text/white-space/reference/white-space-vs-joiners-002-ref.html

@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+
+<title>CSS Text reference</title>
+<link rel="author" title="Jonathan Kew" href="mailto:jkew@mozilla.com">
+
+<style>
+p {
+  width: min-content;
+  border: 2px solid green;
+  font: 24px monospace;
+}
+</style>
+
+<body>
+  <p>
+    This
+    is
+    a
+    simple
+    test
+  </p>
+</body>

tests/wpt/web-platform-tests/css/css-text/white-space/text-wrap-balance-002.html

@@ -0,0 +1,15 @@
+<!DOCTYPE html>
+<link rel="help" href="https://w3c.github.io/csswg-drafts/css-text-4/#valdef-text-wrap-balance">
+<link rel="mismatch" href="reference/text-wrap-balance-002-ref.html">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
+<style>
+.container {
+  font-family: Ahem;
+  font-size: 20px;
+  width: 20ch;
+  text-wrap: balance;
+}
+</style>
+<div class="container">
+  123 567 901 345 789 123
+</div>

tests/wpt/web-platform-tests/css/css-text/white-space/white-space-vs-joiners-001.html

@@ -0,0 +1,37 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+
+<title>CSS Text Test: join controls do not disrupt white-space processing</title>
+<link rel="author" title="Jonathan Kew" href="mailto:jkew@mozilla.com">
+<link rel="help" href="https://drafts.csswg.org/css-text-3/#white-space-rules">
+<!-- NB: The spec doesn't explicitly discuss join controls in this context,
+     but it is self-evident that they should not have any effect on the white-space processing.
+     Their only effect should be on the shaping (if any) of the adjacent characters. -->
+<link rel="match" href="reference/white-space-vs-joiners-001-ref.html">
+<meta name="assert" content="The presence of join controls (ZWJ/ZWNJ) at word edges should not affect white-space processing">
+
+<style>
+p {
+  width: fit-content;
+  border: 2px solid green;
+  font: 24px monospace;
+}
+</style>
+
+<body>
+</body>
+
+<script>
+for (i = 0x200b; i <= 0x200f; ++i) {
+  txt = "  "
+    + String.fromCharCode(i)
+    + "This should have no leading or trailing ["
+    + i.toString(16)
+    + "]"
+    + String.fromCharCode(i)
+    + "  ";
+  p = document.createElement("p");
+  p.textContent = txt;
+  document.body.appendChild(p);
+}
+</script>

tests/wpt/web-platform-tests/css/css-text/white-space/white-space-vs-joiners-002.html

@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+
+<title>CSS Text Test: join controls do not disrupt white-space processing</title>
+<link rel="author" title="Jonathan Kew" href="mailto:jkew@mozilla.com">
+<link rel="help" href="https://drafts.csswg.org/css-text-3/#white-space-rules">
+<!-- NB: The spec doesn't explicitly discuss join controls in this context,
+     but it is self-evident that they should not have any effect on the white-space processing.
+     Their only effect should be on the shaping (if any) of the adjacent characters. -->
+<link rel="match" href="reference/white-space-vs-joiners-002-ref.html">
+<meta name="assert" content="The presence of join controls (ZWJ/ZWNJ) at word edges should not affect white-space processing">
+
+<style>
+p {
+  width: min-content;
+  border: 2px solid green;
+  font: 24px monospace;
+}
+</style>
+
+<body>
+  <p>
+    &#x200d;This&#x200d;
+    &#x200d;is&#x200d;
+    &#x200d;a&#x200d;
+    &#x200d;simple&#x200d;
+    &#x200d;test&#x200d;
+  </p>
+</body>

tests/wpt/web-platform-tests/css/css-view-transitions/3d-transform-incoming.html

@@ -38,7 +38,7 @@ div { box-sizing: border-box; will-change: transform }
 ::view-transition-group(hidden) { animation-duration: 300s; }
 ::view-transition-image-pair(hidden) { visibility: hidden; }
 ::view-transition-group(root) { visibility: hidden; }
-::view-transition { background: pink; }
+::view-transition { width: 100%; height: 100%; background: pink; }
 ::view-transition-group(*) { animation-delay: 300s; }
 ::view-transition-new(*) { animation: unset; opacity: 1; }
 ::view-transition-old(*) { animation: unset; opacity: 0; }

tests/wpt/web-platform-tests/css/css-view-transitions/3d-transform-outgoing.html

@@ -39,7 +39,7 @@ div { box-sizing: border-box; will-change: transform }
 ::view-transition-group(hidden) { animation-duration: 300s; }
 ::view-transition-image-pair(hidden) { visibility: hidden; }
 ::view-transition-group(root) { visibility: hidden; }
-::view-transition { background: pink; }
+::view-transition { width: 100%; height: 100%; background: pink; }
 ::view-transition-group(*) { animation-duration: 0s; }
 ::view-transition-new(*) { animation: unset; opacity: 0; }
 ::view-transition-old(*) { animation: unset; opacity: 1; }

tests/wpt/web-platform-tests/css/css-view-transitions/content-visibility-auto-shared-element.html

@@ -47,7 +47,7 @@ html::view-transition-group(*) { animation-duration: 0s; }
 html::view-transition-new(*) { animation: unset; opacity: 0; }
 html::view-transition-old(*) { animation: unset; opacity: 1; }
 html::view-transition-group(root) { display: none; }
-html::view-transition { background: pink }
+html::view-transition { width: 100%; height: 100%; background: pink }
 
 </style>
 

tests/wpt/web-platform-tests/css/css-view-transitions/css-tags-paint-order-with-entry.html

@@ -84,7 +84,7 @@ html::view-transition-old(two),
 html::view-transition-old(three) { animation: unset; opacity: 1; }
 
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 
 </style>
 

tests/wpt/web-platform-tests/css/css-view-transitions/css-tags-paint-order.html

@@ -69,7 +69,7 @@ html::view-transition-old(two),
 html::view-transition-old(three) { animation: unset; opacity: 1; }
 
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 
 </style>
 

tests/wpt/web-platform-tests/css/css-view-transitions/css-tags-shared-element.html

@@ -51,7 +51,7 @@ html::view-transition-old(left-element),
 html::view-transition-old(right-element) { animation: unset; opacity: 1; }
 
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 
 </style>
 

tests/wpt/web-platform-tests/css/css-view-transitions/far-away-capture.html

@@ -41,7 +41,7 @@ html::view-transition-group(*) { animation-duration: 0s; }
 html::view-transition-new(*) { animation: unset; opacity: 0; }
 html::view-transition-old(*) { animation: unset; opacity: 1; }
 html::view-transition-group(root) { display: none; }
-html::view-transition { background: pink }
+html::view-transition { width: 100%; height: 100%; background: pink }
 
 </style>
 

tests/wpt/web-platform-tests/css/css-view-transitions/japanese-tag.html

@@ -60,7 +60,7 @@ html::view-transition-old(第三) { animation: unset; opacity: 1; }
 
 /* hide the root so we show transition background to ensure we're in a transition */
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 
 </style>
 

tests/wpt/web-platform-tests/css/css-view-transitions/new-and-old-sizes-match-ref.html

@@ -32,7 +32,7 @@ html::view-transition-new(*) { animation: unset; opacity: 0; }
 html::view-transition-old(*) { animation: unset; opacity: 1; }
 /* hide the root so we show transition background to ensure we're in a transition */
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 <div id=target class=box><div class=inner_overflow>X</div></div>
 <script>

tests/wpt/web-platform-tests/css/css-view-transitions/new-and-old-sizes-match.html

@@ -34,7 +34,7 @@ html::view-transition-new(*) { animation: unset; opacity: 1; }
 html::view-transition-old(*) { animation: unset; opacity: 0; }
 /* hide the root so we show transition background to ensure we're in a transition */
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 <div id=target class=box><div class=inner_overflow>X</div></div>
 <script>

tests/wpt/web-platform-tests/css/css-view-transitions/new-content-captures-clip-path.html

@@ -31,7 +31,7 @@ html::view-transition-new(*) { animation: unset; opacity: 1; }
 html::view-transition-old(*) { animation: unset; opacity: 0; }
 /* hide the root so we show transition background to ensure we're in a transition */
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 <div id=e1 class=box></div>
 <script>

tests/wpt/web-platform-tests/css/css-view-transitions/new-content-captures-different-size.html

@@ -43,7 +43,7 @@ html::view-transition-new(*) { animation: unset; opacity: 1; }
 html::view-transition-old(*) { animation: unset; opacity: 0; }
 /* hide the root so we show transition background to ensure we're in a transition */
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 <div id=e1 class=box>one</div>
 <div id=e2 class=box>two</div>

tests/wpt/web-platform-tests/css/css-view-transitions/new-content-captures-opacity.html

@@ -26,7 +26,7 @@ html::view-transition-new(*) { animation: unset; opacity: 1; }
 html::view-transition-old(*) { animation: unset; opacity: 0; }
 /* hide the root so we show transition background to ensure we're in a transition */
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 <div id=e1 class=box></div>
 <div id=e2 class=box></div>

tests/wpt/web-platform-tests/css/css-view-transitions/new-content-captures-positioned-spans.html

@@ -20,7 +20,7 @@ html::view-transition-new(*) { animation: unset; opacity: 1; }
 html::view-transition-old(*) { animation: unset; opacity: 0; }
 /* hide the root so we show transition background to ensure we're in a transition */
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 <span id=target>This is a span</span>
 <script>

tests/wpt/web-platform-tests/css/css-view-transitions/new-content-captures-spans.html

@@ -17,7 +17,7 @@ html::view-transition-new(*) { animation: unset; opacity: 1; }
 html::view-transition-old(*) { animation: unset; opacity: 0; }
 /* hide the root so we show transition background to ensure we're in a transition */
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 <span id=target>This is a span</span>
 <script>

tests/wpt/web-platform-tests/css/css-view-transitions/new-content-container-writing-modes.html

@@ -53,7 +53,7 @@ html::view-transition-old(s3) { animation: unset; opacity: 0; }
 
 /* hide the root so we show transition background to ensure we're in a transition */
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 
 </style>
 

tests/wpt/web-platform-tests/css/css-view-transitions/new-content-element-writing-modes.html

@@ -54,7 +54,7 @@ html::view-transition-old(s3) { animation: unset; opacity: 0; }
 
 /* hide the root so we show transition background to ensure we're in a transition */
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 
 </style>
 

tests/wpt/web-platform-tests/css/css-view-transitions/new-content-intrinsic-aspect-ratio.html

@@ -47,7 +47,7 @@ html::view-transition-group(target2) {
 
 /* hide the root so we show transition background to ensure we're in a transition */
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 
 <div id=target1 class=box></div>

tests/wpt/web-platform-tests/css/css-view-transitions/new-content-is-empty-div.html

@@ -37,7 +37,7 @@ html::view-transition-new(shared) { animation: unset; opacity: 1; }
 html::view-transition-old(shared) { animation: unset; opacity: 1; }
 
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 
 </style>
 

tests/wpt/web-platform-tests/css/css-view-transitions/new-content-is-inline.html

@@ -57,6 +57,8 @@ body { margin : 0; }
   view-transition-name: none;
 }
 ::view-transition {
+  width: 100%;
+  height: 100%;
   background-color: rebeccapurple;
 }
 

tests/wpt/web-platform-tests/css/css-view-transitions/new-content-object-fit-fill.html

@@ -57,7 +57,7 @@ html::view-transition-group(hidden) {
 }
 
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 
 <div id=target><div id=inner></div></div>

tests/wpt/web-platform-tests/css/css-view-transitions/new-content-object-fit-none.html

@@ -50,7 +50,7 @@ html::view-transition-group(hidden) {
 }
 
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 
 <div id=target>This is text</div>

tests/wpt/web-platform-tests/css/css-view-transitions/new-content-object-view-box-clip-path-reference.html

@@ -55,7 +55,7 @@ html::view-transition-new(target-two) {
 }
 
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 
 <div id=one class=target>

tests/wpt/web-platform-tests/css/css-view-transitions/new-content-object-view-box-clip-path.html

@@ -55,7 +55,7 @@ html::view-transition-new(target-two) {
 }
 
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 
 <div id=one class=target>

tests/wpt/web-platform-tests/css/css-view-transitions/new-content-object-view-box-overflow-clipped.html

@@ -46,7 +46,7 @@ html::view-transition-new(target) {
 html::view-transition-old(target) { animation: unset; opacity: 0; height: 100%; }
 
 html::view-transition-group(root) { animation: unset; opacity: 0; }
-html::view-transition { background: lightpink; }
+html::view-transition { width: 100%; height: 100%; background: lightpink; }
 </style>
 
 <div class=target>