Update web-platform-tests to revision 8ba782c9d5a545b850cd8920032cb14cfbab2c35

tests/wpt/metadata-layout-2020/FileAPI/url/url-in-tags-revoke.window.js.ini

@@ -4,7 +4,7 @@
     expected: TIMEOUT
 
   [Opening a blob URL in a new window immediately before revoking it works.]
-    expected: TIMEOUT
+    expected: FAIL
 
   [Fetching a blob URL immediately before revoking it works in an iframe.]
     expected: FAIL

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
+

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
+

tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-005.html.ini

@@ -0,0 +1,4 @@
+[hit-test-floats-005.html]
+  [Miss clipped float]
+    expected: FAIL
+

tests/wpt/metadata-layout-2020/css/cssom-view/CaretPosition-001.html.ini

@@ -0,0 +1,4 @@
+[CaretPosition-001.html]
+  [Element at (400, 100)]
+    expected: FAIL
+

tests/wpt/metadata-layout-2020/css/cssom-view/MediaQueryList-addListener-removeListener.html.ini

@@ -2,3 +2,6 @@
   [listeners are called when <iframe> is resized]
     expected: FAIL
 
+  [listeners are called correct number of times]
+    expected: FAIL
+

tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPoint-001.html.ini

@@ -1,4 +0,0 @@
-[elementFromPoint-001.html]
-  [CSSOM View - 5 - extensions to the Document interface]
-    expected: FAIL
-

tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPosition.html.ini

@@ -17,6 +17,3 @@
   [test the top of layer]
     expected: FAIL
 
-  [test some point of the element: top left corner]
-    expected: FAIL
-

tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-invalid-cases.html.ini

@@ -1,4 +0,0 @@
-[elementsFromPoint-invalid-cases.html]
-  [The root element is the last element returned for otherwise empty queries within the viewport]
-    expected: FAIL
-

tests/wpt/metadata-layout-2020/css/cssom-view/matchMedia-display-none-iframe.html.ini

@@ -1,2 +0,0 @@
-[matchMedia-display-none-iframe.html]
-  expected: ERROR

tests/wpt/metadata-layout-2020/fetch/content-type/response.window.js.ini

@@ -312,21 +312,24 @@
   [Response: combined response Content-Type: text/html;" \\" text/plain ";charset=GBK]
     expected: NOTRUN
 
-  [<iframe>: combined response Content-Type: text/html */*]
-    expected: FAIL
-
-  [<iframe>: separate response Content-Type: text/html;x=" text/plain]
-    expected: FAIL
-
-  [<iframe>: separate response Content-Type: text/html;" text/plain]
-    expected: FAIL
-
   [<iframe>: separate response Content-Type: text/html */*;charset=gbk]
     expected: FAIL
 
-  [<iframe>: separate response Content-Type: text/plain */*]
+  [<iframe>: combined response Content-Type: */* text/html]
     expected: FAIL
 
-  [<iframe>: combined response Content-Type: text/html;" \\" text/plain]
+  [<iframe>: combined response Content-Type: text/html;charset=gbk text/plain text/html]
+    expected: FAIL
+
+  [<iframe>: separate response Content-Type: text/html */*]
+    expected: FAIL
+
+  [<iframe>: combined response Content-Type: text/html */*;charset=gbk]
+    expected: FAIL
+
+  [<iframe>: separate response Content-Type: text/html;" \\" text/plain]
+    expected: FAIL
+
+  [<iframe>: combined response Content-Type: text/html;x=" text/plain]
     expected: FAIL
 

tests/wpt/metadata-layout-2020/fetch/content-type/script.window.js.ini

@@ -53,9 +53,3 @@
   [combined text/javascript ]
     expected: FAIL
 
-  [separate text/javascript x/x]
-    expected: FAIL
-
-  [separate text/javascript ]
-    expected: FAIL
-

tests/wpt/metadata-layout-2020/fetch/nosniff/parsing-nosniff.window.js.ini

@@ -11,6 +11,3 @@
   [X-Content-Type-Options%3A%20nosniff%2C%2C%40%23%24%23%25%25%26%5E%26%5E*()()11!]
     expected: FAIL
 
-  [Content-Type-Options%3A%20nosniff]
-    expected: FAIL
-

tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini

@@ -1,4 +0,0 @@
-[traverse_the_history_1.html]
-  [Multiple history traversals from the same task]
-    expected: FAIL
-

tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini

@@ -1,4 +0,0 @@
-[traverse_the_history_4.html]
-  [Multiple history traversals, last would be aborted]
-    expected: FAIL
-

tests/wpt/metadata-layout-2020/html/interaction/focus/the-autofocus-attribute/supported-elements.html.ini

@@ -14,3 +14,6 @@
   [Host element with delegatesFocus should support autofocus]
     expected: FAIL
 
+  [Non-HTMLElement should not support autofocus]
+    expected: FAIL
+

tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe-loading-lazy.html.ini

@@ -5,3 +5,9 @@
   [Below-viewport iframes load lazily]
     expected: FAIL
 
+  [Below-viewport data: url iframes load lazily]
+    expected: FAIL
+
+  [Below-viewport blob url iframes load lazily]
+    expected: FAIL
+

tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_escaping-1.html.ini

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

tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-1.html.ini

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

tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-2.html.ini

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

tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini

@@ -1,4 +1,5 @@
 [iframe_sandbox_popups_nonescaping-3.html]
+  expected: TIMEOUT
   [Check that popups from a sandboxed iframe do not escape the sandbox]
-    expected: FAIL
+    expected: NOTRUN
 

tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-img-element/image-loading-lazy.html.ini

@@ -0,0 +1,13 @@
+[image-loading-lazy.html]
+  [Below-viewport data:url images only load when in the viewport and do not block the window load event]
+    expected: FAIL
+
+  [Below-viewport loading=lazy images only load when in the viewport and do not block the window load event]
+    expected: FAIL
+
+  [Below-viewport blob URL images only load when in the viewport and do not block the window load event]
+    expected: FAIL
+
+  [In-viewport loading=lazy images load immediately but do not block the window load event]
+    expected: FAIL
+

tests/wpt/metadata-layout-2020/html/webappapis/dynamic-markup-insertion/document-write/module-static-import-delayed.html.ini

@@ -1,4 +0,0 @@
-[module-static-import-delayed.html]
-  [document.write in an imported module]
-    expected: FAIL
-

tests/wpt/metadata-layout-2020/html/webappapis/scripting/events/compile-event-handler-settings-objects.html.ini

@@ -4,5 +4,5 @@
     expected: TIMEOUT
 
   [The entry settings object while executing the compiled callback via Web IDL's invoke must be that of the node document]
-    expected: TIMEOUT
+    expected: FAIL
 

tests/wpt/metadata-layout-2020/webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-scaling.html.ini

@@ -1,5 +1,4 @@
 [realtimeanalyser-fft-scaling.html]
-  expected: TIMEOUT
   [X 2048-point FFT peak position is not equal to 64. Got 0.]
     expected: FAIL
 

tests/wpt/metadata-layout-2020/webmessaging/with-ports/017.html.ini

@@ -1,5 +0,0 @@
-[017.html]
-  expected: TIMEOUT
-  [origin of the script that invoked the method, about:blank]
-    expected: TIMEOUT
-

tests/wpt/metadata/FileAPI/url/url-in-tags-revoke.window.js.ini

@@ -7,7 +7,7 @@
     expected: FAIL
 
   [Opening a blob URL in a new window immediately before revoking it works.]
-    expected: TIMEOUT
+    expected: FAIL
 
   [Opening a blob URL in a noopener about:blank window immediately before revoking it works.]
     expected: TIMEOUT

tests/wpt/metadata/MANIFEST.json

@@ -139718,6 +139718,19 @@
        {}
       ]
      ],
+     "position-relative-percentage-top-002.html": [
+      "698f310e90268e74193313aba2e5966914cf8457",
+      [
+       null,
+       [
+        [
+         "/css/reference/ref-filled-green-100px-square.xht",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ],
      "scrollbars-auto.html": [
       "ed1ffb8d93aec7c95eb3c9bbdbb6bd31ae402593",
       [
@@ -166533,6 +166546,45 @@
         {}
        ]
       ],
+      "abspos-009.tentative.html": [
+       "0e71de200d5736cf047498e81f9f57bc5ce88d4b",
+       [
+        null,
+        [
+         [
+          "/css/reference/ref-filled-green-100px-square.xht",
+          "=="
+         ]
+        ],
+        {}
+       ]
+      ],
+      "abspos-010.tentative.html": [
+       "1d7ddec7f5e0add7c81c9e087ca0820432bb93d3",
+       [
+        null,
+        [
+         [
+          "/css/reference/ref-filled-green-100px-square.xht",
+          "=="
+         ]
+        ],
+        {}
+       ]
+      ],
+      "abspos-011.tentative.html": [
+       "01fac9dae156ca1f5b1e8b629deb97ecf9a10ca4",
+       [
+        null,
+        [
+         [
+          "/css/reference/ref-filled-green-100px-square.xht",
+          "=="
+         ]
+        ],
+        {}
+       ]
+      ],
       "auto-margins-001.tentative.html": [
        "9e89ab6ca7f5220ea030aa537bcb3b64f156043d",
        [
@@ -324731,7 +324783,7 @@
        []
       ],
       "infinite-slow-response.py": [
-       "fa2c482ec19d94336f729cbd52673820873d4268",
+       "a26cd8064c88531e6877d2561cd16df964eb7f6e",
        []
       ],
       "inspect-headers.py": [
@@ -324767,11 +324819,11 @@
        []
       ],
       "stash-put.py": [
-       "36527b98b71785809cd6a490196dd9112fef9181",
+       "3af7d9199ace9fd0a4c4f840e14fbb70d7bc79f8",
        []
       ],
       "stash-take.py": [
-       "fcaf96c96a6411f5391276e984aaa226c8cb15b6",
+       "e6db80dd86df1e5a80e177b78bd40a59234885b0",
        []
       ],
       "status.py": [
@@ -338781,7 +338833,7 @@
      []
     ],
     "audio-output.idl": [
-     "cf0f46d08bc3dafae5f62cc505b3b3791ad3f7da",
+     "2041e6ea8fdb5d2f67cf9596a71de4b290bee869",
      []
     ],
     "background-fetch.idl": [
@@ -339273,7 +339325,7 @@
      []
     ],
     "streams.idl": [
-     "35f558f624a83f3e2526e89b9be909a7883ecb08",
+     "3d7484a20e0553daba3cc336ba1b61c233e35e68",
      []
     ],
     "text-detection-api.tentative.idl": [
@@ -339293,7 +339345,7 @@
      []
     ],
     "uievents.idl": [
-     "b00f7badb90b307c45c86e15b4213d91dcc088de",
+     "67405ebf118b4b584d9cc335918bc45eb3e5907b",
      []
     ],
     "url.idl": [
@@ -339317,7 +339369,7 @@
      []
     ],
     "wai-aria.idl": [
-     "d5d8f32521a3b22647eece7a7662861b6da9e060",
+     "5b1bacc932ffdafffd6869d50146fb467ffc168a",
      []
     ],
     "wake-lock.idl": [
@@ -344564,7 +344616,7 @@
       []
      ],
      "mock-screenenumeration.js": [
-      "5a2d7b18d28229d9e0e3e53a22006a082de25dea",
+      "2e41f59ea809b6434d9363228b162dbcf3538f61",
       []
      ],
      "mock-screenenumeration.js.header": [
@@ -345213,7 +345265,7 @@
    },
    "screen_enumeration": {
     "README.md": [
-     "e3de83d0a8983b2131327556ff5acb011bcbf7e5",
+     "42a5ebfc5169f43fa9289e85fed4d640071fde3d",
      []
     ],
     "resources": {
@@ -349422,7 +349474,7 @@
       []
      ],
      "epochs_update.sh": [
-      "4b393fa6db5f90c18daccf6cef3a9706f1411415",
+      "f460814c962076b4ec72c072dff09925427c90a6",
       []
      ],
      "jobs.py": [
@@ -349610,11 +349662,11 @@
       []
      ],
      "lint.py": [
-      "14052e7a9723ce52cc3ffd64bc6ef454e834f751",
+      "ad053dcca584cd2616e62dd8b414192efeb5f9d8",
       []
      ],
      "rules.py": [
-      "6ffd749b9ad539b56ab93f4cd3dfffe8ed324aa1",
+      "c67745792d1bec367fe6e2faa28d725fdedaf1fc",
       []
      ],
      "tests": {
@@ -349811,7 +349863,7 @@
        }
       },
       "test_file_lints.py": [
-       "7dacfad6380dc8b668a22dc7c4fe2e74d375469f",
+       "be95890d6fb3b95a2b335c9998d6e9bb98c3dcc0",
        []
       ],
       "test_lint.py": [
@@ -355896,7 +355948,7 @@
       []
      ],
      "run.py": [
-      "95d9369f2a888657c23315d8d97b9eb636e3db96",
+      "e977b9a0d36ee4f05072b4ff6554bd8ddb85d09e",
       []
      ],
      "testfiles.py": [
@@ -356944,7 +356996,7 @@
         []
        ],
        "test_server.py": [
-        "51331a67efa88d78ea56130f00e5420633b6aac6",
+        "051dc3f1defa847148999cc173e058eb3d861447",
         []
        ],
        "test_stash.py": [
@@ -356961,7 +357013,7 @@
        []
       ],
       "test_request.py": [
-       "869d3d4604409411984cb49fcd40eb7e971b3c52",
+       "91390b28e41550fed788f25f7c34b58e389113bc",
        []
       ],
       "test_response.py": [
@@ -357003,11 +357055,11 @@
        []
       ],
       "request.py": [
-       "541ac04e7d087c882f1e254ffb21ad6393e7f4c4",
+       "28f407c806528c9574642794447605182a42f098",
        []
       ],
       "response.py": [
-       "b24f0cdf476850a10cdbe94bb857fc61ce32bcf8",
+       "895f174d5f057afdec7ca6fc7388a39263fea874",
        []
       ],
       "router.py": [
@@ -357019,7 +357071,7 @@
        []
       ],
       "server.py": [
-       "c2498c4ee1e8f45de604f71394c3d6feef82aef1",
+       "56342ed287d8fa1028796e5083e1f1f99375217a",
        []
       ],
       "sslutils": {
@@ -364583,7 +364635,7 @@
      ]
     ],
     "idb-explicit-commit-throw.any.js": [
-     "3b8d148d76c1e9cd59486b4b612bfc7641023c37",
+     "751096a3307d88ca910e8844579b1c0c59a41cec",
      [
       "IndexedDB/idb-explicit-commit-throw.any.html",
       {
@@ -364608,7 +364660,7 @@
      ]
     ],
     "idb-explicit-commit.any.js": [
-     "038c04720f8d949dc611c981659e6b5428b8574e",
+     "922f2907c9536becbd083e5229f263682c01123f",
      [
       "IndexedDB/idb-explicit-commit.any.html",
       {
@@ -366760,7 +366812,7 @@
      ]
     ],
     "idbobjectstore_putall.tentative.any.js": [
-     "c66669595ea16b74000c11ad8163ec19c93e35fa",
+     "8bdc765906d86504bcb344e1e579a97f8f602c6e",
      [
       "IndexedDB/idbobjectstore_putall.tentative.any.html",
       {
@@ -375583,7 +375635,7 @@
    },
    "audio-output": {
     "idlharness.https.window.js": [
-     "c13b167296d8059b96bfa4704714051e341ee987",
+     "d7cdbd076833481b53f35b26d5ee016fd70c4111",
      [
       "audio-output/idlharness.https.window.html",
       {
@@ -395501,6 +395553,13 @@
         {}
        ]
       ],
+      "grid-item-flex-container-001.html": [
+       "56c999c55882dabb78c35436fa7f9ac890e6901f",
+       [
+        null,
+        {}
+       ]
+      ],
       "grid-item-min-auto-size-001.html": [
        "f50e9ef312418f4d3b737bd55b4a7e5c75f09230",
        [
@@ -463366,7 +463425,7 @@
         ]
        ],
        "iframe-loading-lazy.html": [
-        "51b442695e01e9496ee4f5754023f722e6636f36",
+        "336703ebc47d7c78e7f367969977edd6cfafc26c",
         [
          null,
          {}
@@ -464076,13 +464135,6 @@
          {}
         ]
        ],
-       "image-loading-lazy-load-event.html": [
-        "0da5379df48a20f16374774c989fa459dbe18ee5",
-        [
-         null,
-         {}
-        ]
-       ],
        "image-loading-lazy-move-document.html": [
         "ff7e83105cc904145e67eb156653b69b6f0b113a",
         [
@@ -464140,7 +464192,7 @@
         ]
        ],
        "image-loading-lazy.html": [
-        "0c1c39a8ae95f0b978f3b2a3ebd822598295372b",
+        "35f25f8a15455ec3e504c67f343112c088aee872",
         [
          null,
          {}
@@ -498815,7 +498867,7 @@
    },
    "screen_enumeration": {
     "getScreens.tentative.https.window.js": [
-     "f496282b01620f8b1d2d10c11e961f6fbb9dc56a",
+     "ad982b219cbe2baa540e37f27e4096d274ac09a2",
      [
       "screen_enumeration/getScreens.tentative.https.window.html",
       {
@@ -498837,7 +498889,36 @@
      ]
     ],
     "getScreens.values.https.html": [
-     "3b8060786e13fc1c11f9b54b4c3e927ecab1e43b",
+     "881396adbc3befefb39b55020d8f798379bfa648",
+     [
+      null,
+      {}
+     ]
+    ],
+    "isMultiScreen.tentative.https.window.js": [
+     "515731cc04fc7b0026f5972d9a5b96e649d8bc9e",
+     [
+      "screen_enumeration/isMultiScreen.tentative.https.window.html",
+      {
+       "script_metadata": [
+        [
+         "global",
+         "window"
+        ],
+        [
+         "script",
+         "/resources/testdriver.js"
+        ],
+        [
+         "script",
+         "/resources/testdriver-vendor.js"
+        ]
+       ]
+      }
+     ]
+    ],
+    "isMultiScreen.values.https.html": [
+     "5146803ea9c20c5f8ae43cf385895a95fc361747",
      [
       null,
       {}
@@ -520321,6 +520402,15 @@
         {}
        ]
       ],
+      "constructor-allowed-to-start.html": [
+       "f866b5f7a1cb408c1a0c26c21c99bb7a28d53e82",
+       [
+        null,
+        {
+         "testdriver": true
+        }
+       ]
+      ],
       "processing-after-resume.https.html": [
        "e000ab124fefa6f0eea4e5517d04436428c0cd8c",
        [

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
+

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
+

tests/wpt/metadata/css/CSS2/floats/hit-test-floats-005.html.ini

@@ -0,0 +1,4 @@
+[hit-test-floats-005.html]
+  [Miss clipped float]
+    expected: FAIL
+

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

@@ -0,0 +1,4 @@
+[CaretPosition-001.html]
+  [Element at (400, 100)]
+    expected: FAIL
+

tests/wpt/metadata/css/cssom-view/MediaQueryList-addListener-removeListener.html.ini

@@ -2,3 +2,6 @@
   [listeners are called when <iframe> is resized]
     expected: FAIL
 
+  [listeners are called correct number of times]
+    expected: FAIL
+

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

@@ -1,4 +0,0 @@
-[elementFromPoint-001.html]
-  [CSSOM View - 5 - extensions to the Document interface]
-    expected: FAIL
-

tests/wpt/metadata/css/cssom-view/elementFromPosition.html.ini

@@ -21,6 +21,3 @@
   [test the top of layer]
     expected: FAIL
 
-  [test some point of the element: top left corner]
-    expected: FAIL
-

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

@@ -1,4 +0,0 @@
-[elementsFromPoint-invalid-cases.html]
-  [The root element is the last element returned for otherwise empty queries within the viewport]
-    expected: FAIL
-

tests/wpt/metadata/css/cssom-view/matchMedia-display-none-iframe.html.ini

@@ -1,2 +0,0 @@
-[matchMedia-display-none-iframe.html]
-  expected: ERROR

tests/wpt/metadata/fetch/content-type/response.window.js.ini

@@ -312,21 +312,24 @@
   [fetch(): separate response Content-Type: text/plain ]
     expected: NOTRUN
 
-  [<iframe>: combined response Content-Type: text/html */*]
-    expected: FAIL
-
-  [<iframe>: separate response Content-Type: text/html;x=" text/plain]
-    expected: FAIL
-
-  [<iframe>: separate response Content-Type: text/html;" text/plain]
-    expected: FAIL
-
   [<iframe>: separate response Content-Type: text/html */*;charset=gbk]
     expected: FAIL
 
-  [<iframe>: separate response Content-Type: text/plain */*]
+  [<iframe>: combined response Content-Type: */* text/html]
     expected: FAIL
 
-  [<iframe>: combined response Content-Type: text/html;" \\" text/plain]
+  [<iframe>: combined response Content-Type: text/html;charset=gbk text/plain text/html]
+    expected: FAIL
+
+  [<iframe>: separate response Content-Type: text/html */*]
+    expected: FAIL
+
+  [<iframe>: combined response Content-Type: text/html */*;charset=gbk]
+    expected: FAIL
+
+  [<iframe>: separate response Content-Type: text/html;" \\" text/plain]
+    expected: FAIL
+
+  [<iframe>: combined response Content-Type: text/html;x=" text/plain]
     expected: FAIL
 

tests/wpt/metadata/fetch/content-type/script.window.js.ini

@@ -53,9 +53,3 @@
   [combined text/javascript ]
     expected: FAIL
 
-  [separate text/javascript x/x]
-    expected: FAIL
-
-  [separate text/javascript ]
-    expected: FAIL
-

tests/wpt/metadata/fetch/nosniff/parsing-nosniff.window.js.ini

@@ -11,6 +11,3 @@
   [X-Content-Type-Options%3A%20nosniff%2C%2C%40%23%24%23%25%25%26%5E%26%5E*()()11!]
     expected: FAIL
 
-  [Content-Type-Options%3A%20nosniff]
-    expected: FAIL
-

tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini

@@ -1,4 +0,0 @@
-[traverse_the_history_1.html]
-  [Multiple history traversals from the same task]
-    expected: FAIL
-

tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini

@@ -1,4 +0,0 @@
-[traverse_the_history_4.html]
-  [Multiple history traversals, last would be aborted]
-    expected: FAIL
-

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

@@ -14,3 +14,6 @@
   [Host element with delegatesFocus should support autofocus]
     expected: FAIL
 
+  [Non-HTMLElement should not support autofocus]
+    expected: FAIL
+

tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe-loading-lazy.html.ini

@@ -5,3 +5,9 @@
   [Below-viewport iframes load lazily]
     expected: FAIL
 
+  [Below-viewport data: url iframes load lazily]
+    expected: FAIL
+
+  [Below-viewport blob url iframes load lazily]
+    expected: FAIL
+

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

@@ -1,6 +1,6 @@
 [iframe_sandbox_popups_escaping-1.html]
   type: testharness
-  expected: TIMEOUT
+  expected: CRASH
   [Check that popups from a sandboxed iframe escape the sandbox if\n       allow-popups-to-escape-sandbox is used]
     expected: TIMEOUT
 

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

@@ -1,6 +1,6 @@
 [iframe_sandbox_popups_nonescaping-1.html]
   type: testharness
-  expected: TIMEOUT
+  expected: CRASH
   [Check that popups from a sandboxed iframe do not escape the sandbox]
     expected: NOTRUN
 

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

@@ -1,5 +1,6 @@
 [iframe_sandbox_popups_nonescaping-2.html]
   type: testharness
+  expected: TIMEOUT
   [Check that popups from a sandboxed iframe do not escape the sandbox]
-    expected: FAIL
+    expected: NOTRUN
 

tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini

@@ -1,5 +1,6 @@
 [iframe_sandbox_popups_nonescaping-3.html]
   type: testharness
+  expected: TIMEOUT
   [Check that popups from a sandboxed iframe do not escape the sandbox]
-    expected: FAIL
+    expected: NOTRUN
 

tests/wpt/metadata/html/semantics/embedded-content/the-img-element/image-loading-lazy-load-event.html.ini

@@ -1,4 +0,0 @@
-[image-loading-lazy-load-event.html]
-  [In-viewport loading=lazy images do not block the window load event]
-    expected: FAIL
-

tests/wpt/metadata/html/semantics/embedded-content/the-img-element/image-loading-lazy.html.ini

@@ -2,3 +2,15 @@
   [Images with loading='lazy' load only when in the viewport]
     expected: FAIL
 
+  [Below-viewport data:url images only load when in the viewport and do not block the window load event]
+    expected: FAIL
+
+  [Below-viewport loading=lazy images only load when in the viewport and do not block the window load event]
+    expected: FAIL
+
+  [Below-viewport blob URL images only load when in the viewport and do not block the window load event]
+    expected: FAIL
+
+  [In-viewport loading=lazy images load immediately but do not block the window load event]
+    expected: FAIL
+

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

@@ -1,4 +0,0 @@
-[module-static-import-delayed.html]
-  [document.write in an imported module]
-    expected: FAIL
-

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

@@ -5,5 +5,5 @@
     expected: TIMEOUT
 
   [The entry settings object while executing the compiled callback via Web IDL's invoke must be that of the node document]
-    expected: TIMEOUT
+    expected: FAIL
 

tests/wpt/metadata/webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-scaling.html.ini

@@ -1,5 +1,4 @@
 [realtimeanalyser-fft-scaling.html]
-  expected: TIMEOUT
   [X 2048-point FFT peak position is not equal to 64. Got 0.]
     expected: FAIL
 

tests/wpt/metadata/webmessaging/with-ports/017.html.ini

@@ -1,5 +0,0 @@
-[017.html]
-  expected: TIMEOUT
-  [origin of the script that invoked the method, about:blank]
-    expected: TIMEOUT
-

tests/wpt/web-platform-tests/IndexedDB/idb-explicit-commit-throw.any.js

@@ -1,13 +1,5 @@
 // META: script=support-promises.js
 
-/**
- * This file contains a test that was separated out from the rest of the idb
- * explict commit tests because it requires the flag 'allow_uncaught_exception',
- * which prevents unintentionally thrown errors from failing tests.
- *
- * @author andreasbutler@google.com
- */
-
 setup({allow_uncaught_exception:true});
 
 promise_test(async testCase => {

tests/wpt/web-platform-tests/IndexedDB/idb-explicit-commit.any.js

@@ -1,12 +1,5 @@
 // META: script=support-promises.js
 
-/**
- * This file contains the webplatform tests for the explicit commit() method
- * of the IndexedDB transaction API.
- *
- * @author andreasbutler@google.com
- */
-
 promise_test(async testCase => {
   const db = await createDatabase(testCase, db => {
     createBooksStore(testCase, db);

tests/wpt/web-platform-tests/IndexedDB/idbobjectstore_putall.tentative.any.js

@@ -1,12 +1,5 @@
 // META: script=support-promises.js
 
-/**
- * This file contains the webplatform tests for the explicit commit() method
- * of the IndexedDB transaction API.
- *
- * @author nums@google.com
- */
-
 promise_test(async testCase => {
   const db = await createDatabase(testCase, db => {
     const store = createBooksStore(testCase, db);

tests/wpt/web-platform-tests/audio-output/idlharness.https.window.js

@@ -7,13 +7,14 @@
 
 idl_test(
   ['audio-output'],
-  ['html', 'dom'],
+  ['mediacapture-streams', 'html', 'dom'],
   idl_array => {
     self.audio = document.createElement('audio');
     self.video = document.createElement('video');
     idl_array.add_objects({
       HTMLAudioElement: ['audio'],
-      HTMLVideoElement: ['video']
+      HTMLVideoElement: ['video'],
+      MediaDevices: ['navigator.mediaDevices'],
     });
   }
 );

tests/wpt/web-platform-tests/css/css-flexbox/position-relative-percentage-top-002.html

@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<meta name="assert" content="This ensures that a relative-positioned grandchild (of a flexbox) correctly resolves percentages against its stretched parent.">
+<link rel="help" href="https://crbug.com/1106074">
+<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="width: 100px; height: 100px; background: red;"></div>
+<div style="display: flex; width: 100px;">
+  <div style="height: 100px;"></div>
+  <div style="width: 100px;">
+    <div style="background: green; height: 100px; position: relative; top: -100%;"></div>
+  </div>
+</div>

tests/wpt/web-platform-tests/css/css-grid/grid-items/grid-item-flex-container-001.html

@@ -0,0 +1,132 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>CSS Grid Layout Test: Grid item which is also a flex container</title>
+<link rel="author" title="Oriol Brufau" href="mailto:obrufau@igalia.com">
+<link rel="help" href="http://www.w3.org/TR/css-grid-1">
+<meta name="assert" content="Checks that the grid is updated when the contents of the grid item flex container change their size dynamically.">
+<style>
+.grid {
+  display: grid;
+  width: 100px;
+  background: cyan;
+}
+.flex {
+  display: flex;
+  min-height: 0;
+  height: 100%;
+}
+.height200 {
+  height: 200px;
+}
+.height100 {
+  height: 100px;
+}
+</style>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/check-layout-th.js"></script>
+
+<div id="log"></div>
+
+<pre>grid-template-rows: minmax(auto, auto);</pre>
+
+<div class="grid" style="grid-template-rows: minmax(auto, auto);" data-expected-height="100" >
+  <div class="flex">
+    <div>
+      <div class="height200"></div>
+    </div>
+  </div>
+</div>
+
+<pre>grid-template-rows: minmax(min-content, auto);</pre>
+
+<div class="grid" style="grid-template-rows: minmax(min-content, auto);" data-expected-height="100">
+  <div class="flex">
+    <div>
+      <div class="height200"></div>
+    </div>
+  </div>
+</div>
+
+<pre>grid-template-rows: minmax(max-content, auto);</pre>
+
+<div class="grid" style="grid-template-rows: minmax(max-content, auto);" data-expected-height="100">
+  <div class="flex">
+    <div>
+      <div class="height200"></div>
+    </div>
+  </div>
+</div>
+
+<pre>grid-template-rows: minmax(auto, min-content);</pre>
+
+<div class="grid" style="grid-template-rows: minmax(auto, min-content);" data-expected-height="100">
+  <div class="flex">
+    <div>
+      <div class="height200"></div>
+    </div>
+  </div>
+</div>
+
+<pre>grid-template-rows: minmax(min-content, min-content);</pre>
+
+<div class="grid" style="grid-template-rows: minmax(min-content, min-content);" data-expected-height="100">
+  <div class="flex">
+    <div>
+      <div class="height200"></div>
+    </div>
+  </div>
+</div>
+
+<pre>grid-template-rows: minmax(max-content, min-content);</pre>
+
+<div class="grid" style="grid-template-rows: minmax(max-content, min-content);" data-expected-height="100">
+  <div class="flex">
+    <div>
+      <div class="height200"></div>
+    </div>
+  </div>
+</div>
+
+<pre>grid-template-rows: minmax(auto, max-content);</pre>
+
+<div class="grid" style="grid-template-rows: minmax(auto, max-content);" data-expected-height="100">
+  <div class="flex">
+    <div>
+      <div class="height200"></div>
+    </div>
+  </div>
+</div>
+
+<pre>grid-template-rows: minmax(min-content, max-content);</pre>
+
+<div class="grid" style="grid-template-rows: minmax(min-content, max-content);" data-expected-height="100">
+  <div class="flex">
+    <div>
+      <div class="height200"></div>
+    </div>
+  </div>
+</div>
+
+<pre>grid-template-rows: minmax(max-content, max-content);</pre>
+
+<div class="grid" style="grid-template-rows: minmax(max-content, max-content);" data-expected-height="100">
+  <div class="flex">
+    <div>
+      <div class="height200"></div>
+    </div>
+  </div>
+</div>
+
+<script>
+// Force layout
+document.body.offsetLeft;
+
+// Change content sizes
+for (let el of document.querySelectorAll(".height200")) {
+  el.className = "height100";
+}
+
+// Check final layout
+checkLayout('.grid');
+</script>

tests/wpt/web-platform-tests/css/css-sizing/aspect-ratio/abspos-009.tentative.html

@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<title>CSS aspect-ratio: abspos div inline size with percentage height</title>
+<link rel="author" title="Google LLC" href="https://www.google.com/">
+<link rel="help" href="https://drafts.csswg.org/css-sizing-4/#aspect-ratio">
+<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="width: 500px; position: relative;">
+  <div style="background: green; aspect-ratio: 1/1; height: 100%; position: absolute; left: 0; right: 0; top: 0; bottom: 0;"></div>
+  <div style="height: 100px"></div> <!-- for sizing the abspos containing block -->
+</div>

tests/wpt/web-platform-tests/css/css-sizing/aspect-ratio/abspos-010.tentative.html

@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<title>CSS aspect-ratio: out-of-flow div block size with box-sizing</title>
+<link rel="author" title="Google LLC" href="https://www.google.com/">
+<link rel="help" href="https://drafts.csswg.org/css-sizing-4/#aspect-ratio">
+<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="background: green; width: 100px; padding: 10px 20px 30px 40px; aspect-ratio: 1/1; position: absolute; box-sizing: border-box;"></div>

tests/wpt/web-platform-tests/css/css-sizing/aspect-ratio/abspos-011.tentative.html

@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<title>CSS aspect-ratio: out-of-flow div block size with box-sizing</title>
+<link rel="author" title="Google LLC" href="https://www.google.com/">
+<link rel="help" href="https://drafts.csswg.org/css-sizing-4/#aspect-ratio">
+<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="background: green; width: 80px; padding: 0px 5px 0px 15px; aspect-ratio: 1/1; position: absolute; box-sizing: content-box;"></div>
+<div style="height: 80px;"></div>
+<div style="background: green; width: 100px; height: 20px;"></div>

tests/wpt/web-platform-tests/fetch/api/resources/infinite-slow-response.py

@@ -2,7 +2,7 @@ import time
 
 
 def url_dir(request):
-    return '/'.join(request.url_parts.path.split('/')[:-1]) + '/'
+    return u'/'.join(request.url_parts.path.split(u'/')[:-1]) + u'/'
 
 
 def stash_write(request, key, value):
@@ -12,24 +12,23 @@ def stash_write(request, key, value):
 
 
 def main(request, response):
-    stateKey = request.GET.first("stateKey", "")
+    stateKey = request.GET.first(b"stateKey", b"")
-    abortKey = request.GET.first("abortKey", "")
+    abortKey = request.GET.first(b"abortKey", b"")
 
     if stateKey:
         stash_write(request, stateKey, 'open')
 
-    response.headers.set("Content-type", "text/plain")
+    response.headers.set(b"Content-type", b"text/plain")
     response.write_status_headers()
 
     # Writing an initial 2k so browsers realise it's there. *shrug*
-    response.writer.write("." * 2048)
+    response.writer.write(b"." * 2048)
 
     while True:
-        if not response.writer.flush():
+        if not response.writer.write(b"."):
             break
         if abortKey and request.server.stash.take(abortKey, url_dir(request)):
             break
-        response.writer.write(".")
         time.sleep(0.01)
 
     if stateKey:

tests/wpt/web-platform-tests/fetch/api/resources/stash-put.py

@@ -1,14 +1,14 @@
 def main(request, response):
-    if request.method == 'OPTIONS':
+    if request.method == u'OPTIONS':
         # CORS preflight
-        response.headers.set('Access-Control-Allow-Origin', '*')
+        response.headers.set(b'Access-Control-Allow-Origin', b'*')
-        response.headers.set('Access-Control-Allow-Methods', '*')
+        response.headers.set(b'Access-Control-Allow-Methods', b'*')
-        response.headers.set('Access-Control-Allow-Headers', '*')
+        response.headers.set(b'Access-Control-Allow-Headers', b'*')
         return 'done'
 
-    url_dir = '/'.join(request.url_parts.path.split('/')[:-1]) + '/'
+    url_dir = u'/'.join(request.url_parts.path.split(u'/')[:-1]) + u'/'
-    key = request.GET.first("key")
+    key = request.GET.first(b"key")
-    value = request.GET.first("value")
+    value = request.GET.first(b"value")
     request.server.stash.put(key, value, url_dir)
-    response.headers.set('Access-Control-Allow-Origin', '*')
+    response.headers.set(b'Access-Control-Allow-Origin', b'*')
     return "done"

tests/wpt/web-platform-tests/fetch/api/resources/stash-take.py

@@ -3,7 +3,7 @@ from wptserve.handlers import json_handler
 
 @json_handler
 def main(request, response):
-    dir = '/'.join(request.url_parts.path.split('/')[:-1]) + '/'
+    dir = u'/'.join(request.url_parts.path.split(u'/')[:-1]) + u'/'
-    key = request.GET.first("key")
+    key = request.GET.first(b"key")
-    response.headers.set('Access-Control-Allow-Origin', '*')
+    response.headers.set(b'Access-Control-Allow-Origin', b'*')
     return request.server.stash.take(key, dir)

tests/wpt/web-platform-tests/html/semantics/embedded-content/the-iframe-element/iframe-loading-lazy.html

@@ -11,12 +11,22 @@
 <script>
   const t_in_viewport =
     async_test('In-viewport iframes load eagerly');
-  const t_in_viewport_srcdoc=
-    async_test('In-viewport srcdoc iframes load eagerly');
   const t_below_viewport =
     async_test('Below-viewport iframes load lazily');
   const t_below_viewport_srcdoc =
     async_test('Below-viewport srcdoc iframes load lazily');
+  const t_below_viewport_data_url =
+    async_test('Below-viewport data: url iframes load lazily');
+  const t_below_viewport_blob_url =
+    async_test('Below-viewport blob url iframes load lazily');
+
+
+  document.addEventListener('DOMContentLoaded', e => {
+    const blob_url_iframe = document.querySelector('#below_viewport_blob_url');
+    const blob = new Blob(['<p>Blob subframe</p>'], {type: 'text/html'});
+    const url = URL.createObjectURL(blob);
+    blob_url_iframe.src = url;
+  });
 
   let has_window_loaded = false;
 
@@ -25,11 +35,6 @@
       "The in_viewport iframe should not block the load event");
   });
 
-  const in_viewport_srcdoc_iframe_onload = t_in_viewport_srcdoc.step_func_done(() => {
-    assert_false(has_window_loaded,
-      "The in_viewport srcdoc iframe should not block the load event");
-  });
-
   window.addEventListener("load", () => {
     has_window_loaded = true;
     document.getElementById("below_viewport_srcdoc").scrollIntoView();
@@ -41,6 +46,7 @@
                 "the below-viewport iframe loads");
   });
 
+  // Onload handlers for below-viewport srcdoc iframe.
   // Must make this accessible to the srcdoc iframe's body.
   window.below_viewport_srcdoc_iframe_subresource_onload = t_below_viewport_srcdoc.step_func(() => {
     assert_true(has_window_loaded,
@@ -53,16 +59,27 @@
                 "The window load event should have fired before " +
                 "the below-viewport srcdoc iframe loads");
   });
+
+  // Onload handler for below-viewport data url iframe.
+  const below_viewport_data_url_iframe_onload = t_below_viewport_data_url.step_func_done(() => {
+    assert_true(has_window_loaded,
+                "The window load event should have fired before " +
+                "the below-viewport data url iframe loads");
+  });
+
+  // Onload handler for below-viewport blob url iframe.
+  const below_viewport_blob_url_iframe_onload = t_below_viewport_blob_url.step_func_done(() => {
+    assert_true(has_window_loaded,
+                "The window load event should have fired before " +
+                "the below-viewport blob url iframe loads");
+  });
+
 </script>
 
 <body>
   <iframe id="in_viewport" src="resources/subframe.html?in-viewport"
           loading="lazy" width="200px" height="100px"
           onload="in_viewport_iframe_onload();"></iframe>
-  <iframe id="in_viewport_srcdoc"
-          srcdoc="<body><img src='/common/square.png?in-viewport'></body>"
-          loading="lazy" width="200px" height="100px"
-          onload="in_viewport_srcdoc_iframe_onload();"></iframe>
 
   <div style="height:2000vh;"></div>
   <iframe id="below_viewport" src="resources/subframe.html?below-viewport"
@@ -73,6 +90,15 @@
                   onload='parent.below_viewport_srcdoc_iframe_subresource_onload();'></body>"
           loading="lazy" width="200px" height="100px"
           onload="below_viewport_srcdoc_iframe_onload();"></iframe>
+  <iframe id="below_viewport_data_url"
+          src="data:text/html,<p>Subframe</p>"
+          loading="lazy" width="200px" height="100px"
+          onload="below_viewport_data_url_iframe_onload();"></iframe>
+  <!-- This iframe has its `src` set to a blob URL dynamically above -->
+  <iframe id="below_viewport_blob_url"
+          loading="lazy" width="200px" height="100px"
+          onload="below_viewport_blob_url_iframe_onload();"></iframe>
+
 
 
   <!-- This async script loads very slowly in order to ensure that, if the

tests/wpt/web-platform-tests/html/semantics/embedded-content/the-img-element/image-loading-lazy-load-event.html

@@ -1,51 +0,0 @@
-<!DOCTYPE html>
-<head>
-  <title>In-viewport loading=lazy images do not block the window load event</title>
-  <link rel="author" title="Rob Buis" href="mailto:rbuis@igalia.com">
-  <link rel="author" title="Dom Farolino" href="mailto:dom@chromium.org">
-  <script src="/resources/testharness.js"></script>
-  <script src="/resources/testharnessreport.js"></script>
-  <script src="../resources/common.js"></script>
-</head>
-
-<body>
-  <!-- This image blocks the window load event for 1 second -->
-  <img src="resources/image.png?window-load-blocking&pipe=trickle(d1)">
-
-  <!-- These images must load because they intersect the viewport, but they must
-       not block the window load event, because they are loading=lazy -->
-  <img id="visible"
-       src="resources/image.png?visible&pipe=trickle(d3)" loading="lazy"
-       onload="visible_img.resolve();" onerror="visible_img.reject();">
-  <img id="visibility_hidden" style="visibility:hidden;"
-       src="resources/image.png?visibility_hidden&pipe=trickle(d3)" loading="lazy"
-       onload="visibility_hidden_img.resolve();" onerror="visibility_hidden_img.reject();">
-</body>
-
-<script>
-  const visible_img = new ElementLoadPromise("visible");
-  const visibility_hidden_img = new ElementLoadPromise("visibility_hidden");
-
-  async_test(t => {
-
-    let has_window_loaded = false;
-    window.addEventListener("load", t.step_func(() => {
-      has_window_loaded = true;
-    }));
-
-    Promise.all([visible_img.promise, visibility_hidden_img.promise])
-      .then(t.step_func_done(() => {
-        assert_true(has_window_loaded,
-                    "The window load event should fire before the " +
-                    "in-viewport loading=lazy images load");
-        assert_true(visible_img.element().complete,
-                    "The in-viewport loading=lazy visible image is complete");
-        assert_true(visibility_hidden_img.element().complete,
-                    "The in-viewport loading=lazy visibility:hidden image is " +
-                    "complete");
-      }))
-      .catch(t.unreached_func("The images should load successfully"));
-
-  }, "In-viewport loading=lazy images do not block the window load event");
-</script>
-

tests/wpt/web-platform-tests/html/semantics/embedded-content/the-img-element/image-loading-lazy.html

@@ -1,38 +1,95 @@
 <!DOCTYPE html>
 <head>
   <title>Images with loading='lazy' load only when in the viewport</title>
-  <link rel="author" title="Scott Little" href="mailto:sclittle@chromium.org">
   <link rel="author" title="Dom Farolino" href="mailto:dom@chromium.org">
+  <link rel="author" title="Scott Little" href="mailto:sclittle@chromium.org">
   <link rel="help" href="https://github.com/scott-little/lazyload">
   <script src="/resources/testharness.js"></script>
   <script src="/resources/testharnessreport.js"></script>
 </head>
 
 <script>
-  const t = async_test("Images with loading='lazy' load only when in the viewport");
+  const in_viewport_test =
+    async_test("In-viewport loading=lazy images load immediately but do not " +
+               "block the window load event");
+  const below_viewport_test =
+    async_test("Below-viewport loading=lazy images only load when in the " +
+               "viewport and do not block the window load event");
+  const below_viewport_data_url_test =
+    async_test("Below-viewport data:url images only load when in the " +
+               "viewport and do not block the window load event");
+  const below_viewport_blob_url_test =
+    async_test("Below-viewport blob URL images only load when in the " +
+               "viewport and do not block the window load event");
+
+  document.addEventListener('DOMContentLoaded', e => {
+    const img = document.querySelector('#below_viewport_blob_url');
+
+    // Blob URL helper.
+    // Source: https://bl.ocks.org/nolanlawson/0eac306e4dac2114c752.
+    function fixBinary(bin) {
+      const length = bin.length;
+      const buf = new ArrayBuffer(length);
+      const arr = new Uint8Array(buf);
+      for (var i = 0; i < length; i++) {
+        arr[i] = bin.charCodeAt(i);
+      }
+
+      return buf;
+    }
+
+    const base64 =
+      "R0lGODlhDAAMAKIFAF5LAP/zxAAAANyuAP/gaP///wAAAAAAACH5BAEAAAUALAAAAAAMAAwAAAMlWLPcGjDKFYi9lxKBOaGcF35DhWHamZUW0K4mAbiwWtuf0uxFAgA";
+    const binary = fixBinary(atob(base64));
+    const blob = new Blob([binary], {type: 'image/png'});
+    const url = URL.createObjectURL(blob);
+    img.src = url;
+  }) // DOMContentLoaded.
 
-  let has_in_viewport_loaded = false;
   let has_window_load_fired = false;
+  let has_in_viewport_loaded = false;
 
-  const in_viewport_img_onload = t.step_func(() => {
+  window.onload = e => {
-    assert_false(has_in_viewport_loaded,
+    has_window_load_fired = true;
-                 "The in_viewport element should load only once.");
+  }
+
+  // Helper assertion messages for the below tests.
+  const kScrollAssertion = "images only load when scrolled into view";
+  const kWindowLoadAssertion = "images do not block the load event";
+
+  const in_viewport_img_onload = in_viewport_test.step_func_done(() => {
     has_in_viewport_loaded = true;
-    assert_true(document.getElementById("in_viewport").complete);
+    document.querySelector('#bottom').scrollIntoView();
-    document.getElementById("below_viewport").scrollIntoView();
+    assert_true(has_window_load_fired,
+                "In-viewport loading=lazy images do not block the window " +
+                "load event");
   });
 
-  window.addEventListener("load", t.step_func(() => {
+  const below_viewport_img_onload = below_viewport_test.step_func_done(() => {
-    has_window_load_fired = true;
-  }));
-
-  const below_viewport_img_onload = t.step_func_done(() => {
     assert_true(has_in_viewport_loaded,
-                "The below-viewport image should not load until it has been " +
+                "Below-viewport loading=lazy images only load once loaded " +
-                "scrolled into viewport, after the in-viewport image loads");
+                "into the viewport");
     assert_true(has_window_load_fired,
                 "Below-viewport loading=lazy images should not block the " +
-                "window load event from firing");
+                "window load event");
+  });
+
+  const below_viewport_data_url_img_onload = below_viewport_data_url_test.step_func_done(() => {
+    assert_true(has_in_viewport_loaded,
+                "Below-viewport loading=lazy data: url images " +
+                kScrollAssertion);
+    assert_true(has_window_load_fired,
+                "Below-viewport loading=lazy data: url images " +
+                kWindowLoadAssertion);
+  });
+
+  const below_viewport_blob_url_img_onload = below_viewport_blob_url_test.step_func_done(() => {
+    assert_true(has_in_viewport_loaded,
+                "Below-viewport loading=lazy blob url images " +
+                kScrollAssertion);
+    assert_true(has_window_load_fired,
+                "Below-viewport loading=lazy blob url images " +
+                kWindowLoadAssertion);
   });
 </script>
 
@@ -41,8 +98,15 @@
        support lazy loading, |below_viewport| finishes before |in_viewport|, and
        the test will dependably fail without relying on a timeout. -->
   <img id="in_viewport" loading="lazy" src="resources/image.png?first&pipe=trickle(d2)"
-       onload="in_viewport_img_onload();">
+       onload="in_viewport_img_onload()">
   <div style="height:1000vh;"></div>
   <img id="below_viewport" loading="lazy" src="resources/image.png?second"
-       onload="below_viewport_img_onload();">
+       onload="below_viewport_img_onload()">
+  <img id="below_viewport_data_url" loading="lazy"
+       src="data:image/png;base64,R0lGODlhDAAMAKIFAF5LAP/zxAAAANyuAP/gaP///wAAAAAAACH5BAEAAAUALAAAAAAMAAwAAAMlWLPcGjDKFYi9lxKBOaGcF35DhWHamZUW0K4mAbiwWtuf0uxFAgA"
+       onload="below_viewport_data_url_img_onload()">
+  <!-- This image has its `src` set to a blob URL dynamically above -->
+  <img id="below_viewport_blob_url" loading="lazy"
+       onload="below_viewport_blob_url_img_onload()">
+  <div id="bottom"></div>
 </body>

tests/wpt/web-platform-tests/interfaces/audio-output.idl

@@ -7,3 +7,7 @@ partial interface HTMLMediaElement {
   [SecureContext] readonly attribute DOMString sinkId;
   [SecureContext] Promise<void> setSinkId (DOMString sinkId);
 };
+
+partial interface MediaDevices {
+  Promise<MediaDeviceInfo> selectAudioOutput();
+};

tests/wpt/web-platform-tests/interfaces/streams.idl

@@ -137,7 +137,7 @@ dictionary UnderlyingSink {
 };
 
 callback UnderlyingSinkStartCallback = any (WritableStreamDefaultController controller);
-callback UnderlyingSinkWriteCallback = Promise<void> (WritableStreamDefaultController controller, optional any chunk);
+callback UnderlyingSinkWriteCallback = Promise<void> (any chunk, WritableStreamDefaultController controller);
 callback UnderlyingSinkCloseCallback = Promise<void> ();
 callback UnderlyingSinkAbortCallback = Promise<void> (optional any reason);
 
@@ -180,7 +180,7 @@ dictionary Transformer {
 
 callback TransformerStartCallback = any (TransformStreamDefaultController controller);
 callback TransformerFlushCallback = Promise<void> (TransformStreamDefaultController controller);
-callback TransformerTransformCallback = Promise<void> (TransformStreamDefaultController controller, optional any chunk);
+callback TransformerTransformCallback = Promise<void> (any chunk, TransformStreamDefaultController controller);
 
 [Exposed=(Window,Worker,Worklet)]
 interface TransformStreamDefaultController {

tests/wpt/web-platform-tests/interfaces/uievents.idl

@@ -3,8 +3,9 @@
 // (https://github.com/tidoust/reffy-reports)
 // Source: UI Events (https://w3c.github.io/uievents/)
 
-[Constructor(DOMString type, optional UIEventInit eventInitDict), Exposed=Window]
+[Exposed=Window]
 interface UIEvent : Event {
+  constructor(DOMString type, optional UIEventInit eventInitDict);
   readonly attribute Window? view;
   readonly attribute long detail;
 };
@@ -14,8 +15,9 @@ dictionary UIEventInit : EventInit {
   long detail = 0;
 };
 
-[Constructor(DOMString type, optional FocusEventInit eventInitDict), Exposed=Window]
+[Exposed=Window]
 interface FocusEvent : UIEvent {
+  constructor(DOMString type, optional FocusEventInit eventInitDict);
   readonly attribute EventTarget? relatedTarget;
 };
 
@@ -23,8 +25,9 @@ dictionary FocusEventInit : UIEventInit {
   EventTarget? relatedTarget = null;
 };
 
-[Constructor(DOMString type, optional MouseEventInit eventInitDict), Exposed=Window]
+[Exposed=Window]
 interface MouseEvent : UIEvent {
+  constructor(DOMString type, optional MouseEventInit eventInitDict);
   readonly attribute long screenX;
   readonly attribute long screenY;
   readonly attribute long clientX;
@@ -72,8 +75,9 @@ dictionary EventModifierInit : UIEventInit {
   boolean modifierSymbolLock = false;
 };
 
-[Constructor(DOMString type, optional WheelEventInit eventInitDict), Exposed=Window]
+[Exposed=Window]
 interface WheelEvent : MouseEvent {
+  constructor(DOMString type, optional WheelEventInit eventInitDict);
   // DeltaModeCode
   const unsigned long DOM_DELTA_PIXEL = 0x00;
   const unsigned long DOM_DELTA_LINE  = 0x01;
@@ -92,8 +96,9 @@ dictionary WheelEventInit : MouseEventInit {
   unsigned long deltaMode = 0;
 };
 
-[Constructor(DOMString type, optional InputEventInit eventInitDict), Exposed=Window]
+[Exposed=Window]
 interface InputEvent : UIEvent {
+  constructor(DOMString type, optional InputEventInit eventInitDict);
   readonly attribute DOMString? data;
   readonly attribute boolean isComposing;
   readonly attribute DOMString inputType;
@@ -105,8 +110,9 @@ dictionary InputEventInit : UIEventInit {
   DOMString inputType = "";
 };
 
-[Constructor(DOMString type, optional KeyboardEventInit eventInitDict), Exposed=Window]
+[Exposed=Window]
 interface KeyboardEvent : UIEvent {
+  constructor(DOMString type, optional KeyboardEventInit eventInitDict);
   // KeyLocationCode
   const unsigned long DOM_KEY_LOCATION_STANDARD = 0x00;
   const unsigned long DOM_KEY_LOCATION_LEFT = 0x01;
@@ -136,8 +142,9 @@ dictionary KeyboardEventInit : EventModifierInit {
   boolean isComposing = false;
 };
 
-[Constructor(DOMString type, optional CompositionEventInit eventInitDict), Exposed=Window]
+[Exposed=Window]
 interface CompositionEvent : UIEvent {
+  constructor(DOMString type, optional CompositionEventInit eventInitDict);
   readonly attribute DOMString data;
 };
 

tests/wpt/web-platform-tests/interfaces/wai-aria.idl

@@ -10,53 +10,53 @@ Element includes AccessibilityRole;
 
 interface mixin AriaAttributes {
 
-  attribute DOMString? ariaAtomic;
+  attribute DOMString ariaAtomic;
-  attribute DOMString? ariaAutoComplete;
+  attribute DOMString ariaAutoComplete;
-  attribute DOMString? ariaBusy;
+  attribute DOMString ariaBusy;
-  attribute DOMString? ariaChecked;
+  attribute DOMString ariaChecked;
-  attribute DOMString? ariaColCount;
+  attribute DOMString ariaColCount;
-  attribute DOMString? ariaColIndex;
+  attribute DOMString ariaColIndex;
-  attribute DOMString? ariaColIndexText;
+  attribute DOMString ariaColIndexText;
-  attribute DOMString? ariaColSpan;
+  attribute DOMString ariaColSpan;
 
-  attribute DOMString? ariaCurrent;
+  attribute DOMString ariaCurrent;
 
-  attribute DOMString? ariaDescription;
+  attribute DOMString ariaDescription;
 
-  attribute DOMString? ariaDisabled;
+  attribute DOMString ariaDisabled;
 
-  attribute DOMString? ariaExpanded;
+  attribute DOMString ariaExpanded;
 
-  attribute DOMString? ariaHasPopup;
+  attribute DOMString ariaHasPopup;
-  attribute DOMString? ariaHidden;
+  attribute DOMString ariaHidden;
-  attribute DOMString? ariaInvalid;
+  attribute DOMString ariaInvalid;
-  attribute DOMString? ariaKeyShortcuts;
+  attribute DOMString ariaKeyShortcuts;
-  attribute DOMString? ariaLabel;
+  attribute DOMString ariaLabel;
 
-  attribute DOMString? ariaLevel;
+  attribute DOMString ariaLevel;
-  attribute DOMString? ariaLive;
+  attribute DOMString ariaLive;
-  attribute DOMString? ariaModal;
+  attribute DOMString ariaModal;
-  attribute DOMString? ariaMultiLine;
+  attribute DOMString ariaMultiLine;
-  attribute DOMString? ariaMultiSelectable;
+  attribute DOMString ariaMultiSelectable;
-  attribute DOMString? ariaOrientation;
+  attribute DOMString ariaOrientation;
 
-  attribute DOMString? ariaPlaceholder;
+  attribute DOMString ariaPlaceholder;
-  attribute DOMString? ariaPosInSet;
+  attribute DOMString ariaPosInSet;
-  attribute DOMString? ariaPressed;
+  attribute DOMString ariaPressed;
-  attribute DOMString? ariaReadOnly;
+  attribute DOMString ariaReadOnly;
-  attribute DOMString? ariaRelevant;
+
-  attribute DOMString? ariaRequired;
+  attribute DOMString ariaRequired;
-  attribute DOMString? ariaRoleDescription;
+  attribute DOMString ariaRoleDescription;
-  attribute DOMString? ariaRowCount;
+  attribute DOMString ariaRowCount;
-  attribute DOMString? ariaRowIndex;
+  attribute DOMString ariaRowIndex;
-  attribute DOMString? ariaRowIndexText;
+  attribute DOMString ariaRowIndexText;
-  attribute DOMString? ariaRowSpan;
+  attribute DOMString ariaRowSpan;
-  attribute DOMString? ariaSelected;
+  attribute DOMString ariaSelected;
-  attribute DOMString? ariaSetSize;
+  attribute DOMString ariaSetSize;
-  attribute DOMString? ariaSort;
+  attribute DOMString ariaSort;
-  attribute DOMString? ariaValueMax;
+  attribute DOMString ariaValueMax;
-  attribute DOMString? ariaValueMin;
+  attribute DOMString ariaValueMin;
-  attribute DOMString? ariaValueNow;
+  attribute DOMString ariaValueNow;
-  attribute DOMString? ariaValueText;
+  attribute DOMString ariaValueText;
 };
 Element includes AriaAttributes;

tests/wpt/web-platform-tests/resources/chromium/mock-screenenumeration.js

@@ -44,11 +44,22 @@ var ScreenEnumerationTest = (() => {
     }
 
     async getDisplays() {
+      if (!this.success_)
+        return Promise.resolve({ result: undefined, });
+      let value = new blink.mojom.Displays();
+      value.displays = this.displays_;
+      value.internalId = this.internalId_;
+      value.primaryId = this.primaryId_;
+      return Promise.resolve({ result: value, });
+    }
+
+    async hasMultipleDisplays() {
+      if (!this.success_)
+        return Promise.resolve({ result: blink.mojom.MultipleDisplays.kError });
       return Promise.resolve({
-        displays: this.displays_,
+        result: this.displays_.length > 1
-        internalId: this.internalId_,
+            ? blink.mojom.MultipleDisplays.kTrue
-        primaryId: this.primaryId_,
+            : blink.mojom.MultipleDisplays.kFalse,
-        success: this.success_,
       });
     }
   }

tests/wpt/web-platform-tests/screen_enumeration/README.md

@@ -19,6 +19,7 @@ The `ScreenEnumerationTest` interface is defined as:
     addDisplay(display); // Push display to the display vector.
     removeDisplay(id); // Remove display from the display vector.
     async getDisplays(); // Interceptor of getDisplays (screen_enumeration.mojom).
+    async hasMultipleDisplays(); // Interceptor of hasMultipleDisplays (screen_enumeration.mojom).
   };
 ```
 

tests/wpt/web-platform-tests/screen_enumeration/getScreens.tentative.https.window.js

@@ -1,39 +1,63 @@
 // META: global=window
 // META: script=/resources/testdriver.js
 // META: script=/resources/testdriver-vendor.js
-"use strict";
+'use strict';
 
-promise_test(async testCase => {
+promise_test(async t => {
-  assert_equals(typeof self.getScreens, "function");
+  assert_equals(typeof self.getScreens, 'function');
-}, "self.getScreens is present");
+}, 'getScreens() is present');
 
-promise_test(async testCase => {
+promise_test(async t => {
-  await test_driver.set_permission({name: "window-placement"}, "granted");
+  await test_driver.set_permission({name: 'window-placement'}, 'granted');
   const screens = await self.getScreens();
   assert_greater_than(screens.length, 0);
 
-  assert_equals(typeof screens[0].availWidth, "number");
+  assert_equals(typeof screens[0].availWidth, 'number');
-  assert_equals(typeof screens[0].availHeight, "number");
+  assert_equals(typeof screens[0].availHeight, 'number');
-  assert_equals(typeof screens[0].width, "number");
+  assert_equals(typeof screens[0].width, 'number');
-  assert_equals(typeof screens[0].height, "number");
+  assert_equals(typeof screens[0].height, 'number');
-  assert_equals(typeof screens[0].colorDepth, "number");
+  assert_equals(typeof screens[0].colorDepth, 'number');
-  assert_equals(typeof screens[0].pixelDepth, "number");
+  assert_equals(typeof screens[0].pixelDepth, 'number');
 
-  assert_equals(typeof screens[0].availLeft, "number");
+  assert_equals(typeof screens[0].availLeft, 'number');
-  assert_equals(typeof screens[0].availTop, "number");
+  assert_equals(typeof screens[0].availTop, 'number');
-  assert_equals(typeof screens[0].left, "number");
+  assert_equals(typeof screens[0].left, 'number');
-  assert_equals(typeof screens[0].top, "number");
+  assert_equals(typeof screens[0].top, 'number');
-  assert_equals(typeof screens[0].orientation, "object");
+  assert_equals(typeof screens[0].orientation, 'object');
 
-  assert_equals(typeof screens[0].primary, "boolean");
+  assert_equals(typeof screens[0].primary, 'boolean');
-  assert_equals(typeof screens[0].internal, "boolean");
+  assert_equals(typeof screens[0].internal, 'boolean');
-  assert_equals(typeof screens[0].scaleFactor, "number");
+  assert_equals(typeof screens[0].scaleFactor, 'number');
-  assert_equals(typeof screens[0].id, "string");
+  assert_equals(typeof screens[0].id, 'string');
-  assert_equals(typeof screens[0].touchSupport, "boolean");
+  assert_equals(typeof screens[0].touchSupport, 'boolean');
-}, "self.getScreens returns at least 1 Screen with permission granted");
+}, 'getScreens() returns at least 1 Screen with permission granted');
 
-promise_test(async testCase => {
+promise_test(async t => {
+  await test_driver.set_permission({name: 'window-placement'}, 'granted');
+  assert_greater_than((await self.getScreens()).length, 0);
   await test_driver.set_permission({name: 'window-placement'}, 'denied');
-  const screens = await self.getScreens();
+  await promise_rejects_dom(t, 'NotAllowedError', self.getScreens());
-  assert_equals(screens.length, 0);
+}, 'getScreens() rejects the promise with permission denied');
-}, 'self.getScreens returns no Screen objects with permission denied');
+
+async_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();
+  });
+
+  document.body.removeChild(iframe);
+}, "getScreens() resolves for attached iframe; rejects for detached iframe");

tests/wpt/web-platform-tests/screen_enumeration/getScreens.values.https.html

@@ -1,19 +1,37 @@
 <!DOCTYPE html>
-<meta charset="utf-8">
+<meta charset='utf-8'>
 <title>Screen Enumeration: getScreens() tentative</title>
 <!-- TODO: update link to W3C whenever specifications are ready -->
-<link rel="help" href="https://github.com/webscreens/screen-enumeration"/>
+<link rel='help' href='https://github.com/webscreens/screen-enumeration'/>
-<script src="/resources/testharness.js"></script>
+<script src='/resources/testharness.js'></script>
-<script src="/resources/testharnessreport.js"></script>
+<script src='/resources/testharnessreport.js'></script>
-<script src="resources/screenenumeration-helpers.js"></script>
+<script src='resources/screenenumeration-helpers.js'></script>
 <script>
 
-"use strict";
+'use strict';
+
+function check_screen_matches_display(screen, display) {
+  assert_equals(screen.left, display.bounds.x);
+  assert_equals(screen.top, display.bounds.y);
+  assert_equals(screen.width, display.bounds.width);
+  assert_equals(screen.height, display.bounds.height);
+  assert_equals(screen.availLeft, display.workArea.x);
+  assert_equals(screen.availTop, display.workArea.y);
+  assert_equals(screen.availWidth, display.workArea.width);
+  assert_equals(screen.availHeight, display.workArea.height);
+  assert_equals(screen.scaleFactor, display.deviceScaleFactor);
+}
+
+screen_enumeration_test(async (t, mockScreenEnum) => {
+  mockScreenEnum.setSuccess(true);
+  await test_driver.set_permission({name: 'window-placement'}, 'granted');
+  assert_equals((await self.getScreens()).length, 0);
+}, 'getScreens() supports an empty set of mocked screens');
 
 screen_enumeration_test(async (t, mockScreenEnum) => {
   let display1 = makeDisplay(10,
-                             {x: 0, y: 10, width: 1200, height: 800},
+                             {x: 0, y: 0, width: 800, height: 600},
-                             {x: 20, y: 30, width: 1000, height: 600},
+                             {x: 0, y: 0, width: 800, height: 550},
                              1.0);
 
   mockScreenEnum.addDisplay(display1);
@@ -21,43 +39,31 @@ screen_enumeration_test(async (t, mockScreenEnum) => {
   mockScreenEnum.setInternalId(mockScreenEnum.displays_[0].id);
   mockScreenEnum.setSuccess(true);
 
-  // Grant window-placement permissions for testdriver.
+  await test_driver.set_permission({name: 'window-placement'}, 'granted');
-  await test_driver.set_permission({name: "window-placement"}, "granted");
 
-  // This returns the mocked displays via MockScreenEnumeration implementation.
   const screens = await self.getScreens();
-
   assert_equals(screens.length, 1);
-
+  check_screen_matches_display(screens[0], display1);
-  assert_equals(screens[0].left, 0);
-  assert_equals(screens[0].top, 10);
-  assert_equals(screens[0].width, 1200);
-  assert_equals(screens[0].height, 800);
-  assert_equals(screens[0].availLeft, 20);
-  assert_equals(screens[0].availTop, 30);
-  assert_equals(screens[0].availWidth, 1000);
-  assert_equals(screens[0].availHeight, 600);
   assert_equals(screens[0].primary, true);
   assert_equals(screens[0].internal, true);
-  assert_equals(screens[0].scaleFactor, 1.0);
+  assert_equals(screens[0].id, '0');
-  assert_equals(screens[0].id, "0");
+}, 'getScreens() supports a single mocked screen');
-}, "getScreens() returns a single mocked screen");
 
 screen_enumeration_test(async (t, mockScreenEnum) => {
   let display1 = makeDisplay(10,
-                             {x: 0, y: 10, width: 1200, height: 800},
+                             {x: 0, y: 0, width: 800, height: 600},
-                             {x: 20, y: 30, width: 1000, height: 600},
+                             {x: 0, y: 0, width: 800, height: 550},
                              1.0);
 
   let display2 = makeDisplay(11,
-                             {x: 0, y: 10, width: 1200, height: 800},
+                             {x: 800, y: 0, width: 800, height: 600},
-                             {x: 20, y: 30, width: 1000, height: 600},
+                             {x: 800, y: 0, width: 800, height: 550},
-                             1.0);
+                             2.0);
 
   let display3 = makeDisplay(12,
-                             {x: 0, y: 10, width: 1200, height: 800},
+                             {x: 0, y: 600, width: 1200, height: 800},
-                             {x: 20, y: 30, width: 1000, height: 600},
+                             {x: 50, y: 50, width: 1150, height: 750},
-                             1.0);
+                             1.5);
 
   mockScreenEnum.addDisplay(display1);
   mockScreenEnum.addDisplay(display2);
@@ -66,29 +72,42 @@ screen_enumeration_test(async (t, mockScreenEnum) => {
   mockScreenEnum.setInternalId(mockScreenEnum.displays_[0].id);
   mockScreenEnum.setSuccess(true);
 
-  // Grant window-placement permissions for testdriver.
+  await test_driver.set_permission({name: 'window-placement'}, 'granted');
-  await test_driver.set_permission({name: "window-placement"}, "granted");
 
-  // This returns the mocked displays via MockScreenEnumeration implementation.
   let screens = await self.getScreens();
-
   assert_equals(screens.length, 3);
-  assert_equals(screens[0].id, "0");
+  check_screen_matches_display(screens[0], display1);
-  assert_equals(screens[1].id, "1");
+  assert_equals(screens[0].primary, true);
-  assert_equals(screens[2].id, "2");
+  assert_equals(screens[0].internal, true);
+  assert_equals(screens[0].id, '0');
+  check_screen_matches_display(screens[1], display2);
+  assert_equals(screens[1].primary, false);
+  assert_equals(screens[1].internal, false);
+  assert_equals(screens[1].id, '1');
+  check_screen_matches_display(screens[2], display3);
+  assert_equals(screens[2].primary, false);
+  assert_equals(screens[2].internal, false);
+  assert_equals(screens[2].id, '2');
 
   mockScreenEnum.removeDisplay(display2.id);
-
   screens = await self.getScreens();
   assert_equals(screens.length, 2);
-  assert_equals(screens[0].id, "0");
+  check_screen_matches_display(screens[0], display1);
-  assert_equals(screens[1].id, "1");
+  assert_equals(screens[0].id, '0');
+  check_screen_matches_display(screens[1], display3);
+  assert_equals(screens[1].id, '1');
 
   mockScreenEnum.removeDisplay(display1.id);
-
   screens = await self.getScreens();
   assert_equals(screens.length, 1);
-  assert_equals(screens[0].id, "0");
+  check_screen_matches_display(screens[0], display3);
-}, "getScreens() supports multiple mocked screens");
+  assert_equals(screens[0].id, '0');
+}, 'getScreens() supports multiple mocked screens');
+
+screen_enumeration_test(async (t, mockScreenEnum) => {
+  mockScreenEnum.setSuccess(false);
+  await test_driver.set_permission({name: 'window-placement'}, 'granted');
+  promise_rejects_dom(t, 'NotAllowedError', self.getScreens());
+}, 'getScreens() rejects when the mock success value is set to false');
 
 </script>

tests/wpt/web-platform-tests/screen_enumeration/isMultiScreen.tentative.https.window.js

@@ -0,0 +1,40 @@
+// META: global=window
+// META: script=/resources/testdriver.js
+// META: script=/resources/testdriver-vendor.js
+'use strict';
+
+promise_test(async t => {
+  assert_equals(typeof self.isMultiScreen, 'function');
+}, 'isMultiScreen() is present');
+
+promise_test(async t => {
+  await test_driver.set_permission({name: 'window-placement'}, 'granted');
+  assert_equals(typeof await self.isMultiScreen(), 'boolean');
+}, 'isMultiScreen() returns a boolean value with permission granted');
+
+promise_test(async t => {
+  await test_driver.set_permission({name: 'window-placement'}, 'denied');
+  assert_equals(typeof await self.isMultiScreen(), 'boolean');
+}, 'isMultiScreen() returns a boolean value with permission denied');
+
+async_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();
+  });
+
+  document.body.removeChild(iframe);
+}, "isMultiScreen() resolves for attached iframe; rejects for detached iframe");

tests/wpt/web-platform-tests/screen_enumeration/isMultiScreen.values.https.html

@@ -0,0 +1,42 @@
+<!DOCTYPE html>
+<meta charset='utf-8'>
+<title>Screen Enumeration: isMultiScreen() tentative</title>
+<!-- TODO: update link to W3C whenever specifications are ready -->
+<link rel='help' href='https://github.com/webscreens/screen-enumeration'/>
+<script src='/resources/testharness.js'></script>
+<script src='/resources/testharnessreport.js'></script>
+<script src='resources/screenenumeration-helpers.js'></script>
+<script>
+
+'use strict';
+
+screen_enumeration_test(async (t, mockScreenEnum) => {
+  let display1 = makeDisplay(10,
+                             {x: 0, y: 0, width: 800, height: 600},
+                             {x: 0, y: 0, width: 800, height: 550},
+                             1.0);
+
+  let display2 = makeDisplay(11,
+                             {x: 800, y: 0, width: 800, height: 600},
+                             {x: 800, y: 0, width: 800, height: 550},
+                             2.0);
+
+  mockScreenEnum.setSuccess(true);
+  assert_equals(await self.isMultiScreen(), false);
+
+  mockScreenEnum.addDisplay(display1);
+  assert_equals(await self.isMultiScreen(), false);
+
+  mockScreenEnum.addDisplay(display2);
+  assert_equals(await self.isMultiScreen(), true);
+
+  mockScreenEnum.removeDisplay(display2.id);
+  assert_equals(await self.isMultiScreen(), false);
+}, 'isMultiScreen() works as expected with mocked screens');
+
+screen_enumeration_test(async (t, mockScreenEnum) => {
+  mockScreenEnum.setSuccess(false);
+  promise_rejects_dom(t, 'NotAllowedError', self.isMultiScreen());
+}, 'isMultiScreen() rejects when the mock success value is set to false');
+
+</script>

tests/wpt/web-platform-tests/tools/ci/epochs_update.sh

@@ -26,7 +26,12 @@ main () {
     do
         EPOCH=$(get_epoch_timeval ${e})
         EPOCH_BRANCH_NAME=$(get_epoch_branch_name ${e})
-        git branch ${EPOCH_BRANCH_NAME} $(./wpt rev-list --epoch ${EPOCH})
+        EPOCH_SHA=$(./wpt rev-list --epoch ${EPOCH})
+        if [ "${EPOCH_SHA}" = "" ]; then
+            echo "ERROR: Empty SHA returned from ./wpt rev-list"
+            exit 1
+        fi
+        git branch "${EPOCH_BRANCH_NAME}" "${EPOCH_SHA}"
         ALL_BRANCHES_NAMES="${ALL_BRANCHES_NAMES} ${EPOCH_BRANCH_NAME}"
     done
     # This is safe because `git push` will by default fail for a non-fast-forward

tests/wpt/web-platform-tests/tools/lint/lint.py

@@ -48,6 +48,11 @@ if MYPY:
     # ignores the error.
     Ignorelist = Dict[Text, Dict[Text, Set[Optional[int]]]]
 
+    try:
+        from xml.etree import cElementTree as ElementTree
+    except ImportError:
+        from xml.etree import ElementTree as ElementTree  # type: ignore
+
 
 logger = None  # type: Optional[logging.Logger]
 
@@ -521,6 +526,9 @@ def check_parsed(repo_root, path, f):
         if timeout_value != "long":
             errors.append(rules.InvalidTimeout.error(path, (timeout_value,)))
 
+    required_elements = []  # type: List[Text]
+
+    testharnessreport_nodes = []  # type: List[ElementTree.Element]
     if source_file.testharness_nodes:
         test_type = source_file.manifest_items()[0]
         if test_type not in ("testharness", "manual"):
@@ -543,31 +551,12 @@ def check_parsed(repo_root, path, f):
                 if variant != "" and variant[0] not in ("?", "#"):
                     errors.append(rules.MalformedVariant.error(path, (path,)))
 
-        seen_elements = {"timeout": False,
+        required_elements.extend(key for key, value in {"testharness": True,
-                         "testharness": False,
+                                                        "testharnessreport": len(testharnessreport_nodes) > 0,
-                         "testharnessreport": False}
+                                                        "timeout": len(source_file.timeout_nodes) > 0}.items()
-        required_elements = [key for key, value in {"testharness": True,
+                                 if value)
-                                                    "testharnessreport": len(testharnessreport_nodes) > 0,
-                                                    "timeout": len(source_file.timeout_nodes) > 0}.items()
-                             if value]
-
-        for elem in source_file.root.iter():
-            if source_file.timeout_nodes and elem == source_file.timeout_nodes[0]:
-                seen_elements["timeout"] = True
-                if seen_elements["testharness"]:
-                    errors.append(rules.LateTimeout.error(path))
-
-            elif elem == source_file.testharness_nodes[0]:
-                seen_elements["testharness"] = True
-
-            elif testharnessreport_nodes and elem == testharnessreport_nodes[0]:
-                seen_elements["testharnessreport"] = True
-                if not seen_elements["testharness"]:
-                    errors.append(rules.EarlyTestharnessReport.error(path))
-
-            if all(seen_elements[name] for name in required_elements):
-                break
 
+    testdriver_vendor_nodes = []  # type: List[ElementTree.Element]
     if source_file.testdriver_nodes:
         if len(source_file.testdriver_nodes) > 1:
             errors.append(rules.MultipleTestdriver.error(path))
@@ -579,6 +568,38 @@ def check_parsed(repo_root, path, f):
             if len(testdriver_vendor_nodes) > 1:
                 errors.append(rules.MultipleTestdriverVendor.error(path))
 
+        required_elements.append("testdriver")
+        if len(testdriver_vendor_nodes) > 0:
+            required_elements.append("testdriver-vendor")
+
+    if required_elements:
+        seen_elements = defaultdict(bool)
+
+        for elem in source_file.root.iter():
+            if source_file.timeout_nodes and elem == source_file.timeout_nodes[0]:
+                seen_elements["timeout"] = True
+                if seen_elements["testharness"]:
+                    errors.append(rules.LateTimeout.error(path))
+
+            elif source_file.testharness_nodes and elem == source_file.testharness_nodes[0]:
+                seen_elements["testharness"] = True
+
+            elif testharnessreport_nodes and elem == testharnessreport_nodes[0]:
+                seen_elements["testharnessreport"] = True
+                if not seen_elements["testharness"]:
+                    errors.append(rules.EarlyTestharnessReport.error(path))
+
+            elif source_file.testdriver_nodes and elem == source_file.testdriver_nodes[0]:
+                seen_elements["testdriver"] = True
+
+            elif testdriver_vendor_nodes and elem == testdriver_vendor_nodes[0]:
+                seen_elements["testdriver-vendor"] = True
+                if not seen_elements["testdriver"]:
+                    errors.append(rules.EarlyTestdriverVendor.error(path))
+
+            if all(seen_elements[name] for name in required_elements):
+                break
+
     for element in source_file.root.findall(".//{http://www.w3.org/1999/xhtml}script[@src]"):
         src = element.attrib["src"]
 

tests/wpt/web-platform-tests/tools/lint/rules.py

@@ -242,6 +242,16 @@ class EarlyTestharnessReport(Rule):
     to_fix = "flip the order"
 
 
+class EarlyTestdriverVendor(Rule):
+    name = "EARLY-TESTDRIVER-VENDOR"
+    description = collapse("""
+        Test file has an instance of
+        `<script src='/resources/testdriver-vendor.js'>` prior to
+        `<script src='/resources/testdriver.js'>`
+    """)
+    to_fix = "flip the order"
+
+
 class MultipleTestdriver(Rule):
     name = "MULTIPLE-TESTDRIVER"
     description = "More than one `<script src='/resources/testdriver.js'>`"

tests/wpt/web-platform-tests/tools/lint/tests/test_file_lints.py

@@ -337,6 +337,33 @@ def test_multiple_testharnessreport():
             ]
 
 
+def test_early_testdriver_vendor():
+    code = b"""
+<html xmlns="http://www.w3.org/1999/xhtml">
+<script src="/resources/testdriver-vendor.js"></script>
+<script src="/resources/testdriver.js"></script>
+</html>
+"""
+    error_map = check_with_files(code)
+
+    for (filename, (errors, kind)) in error_map.items():
+        check_errors(errors)
+
+        if kind in ["web-lax", "web-strict"]:
+            assert errors == [
+                ("EARLY-TESTDRIVER-VENDOR",
+                    "Test file has an instance of "
+                    "`<script src='/resources/testdriver-vendor.js'>` "
+                    "prior to `<script src='/resources/testdriver.js'>`",
+                    filename,
+                    None),
+            ]
+        elif kind == "python":
+            assert errors == [
+                ("PARSE-FAILED", "Unable to parse file", filename, 2),
+            ]
+
+
 def test_multiple_testdriver():
     code = b"""
 <html xmlns="http://www.w3.org/1999/xhtml">

tests/wpt/web-platform-tests/tools/wpt/run.py

@@ -309,8 +309,8 @@ class FirefoxAndroid(BrowserSetup):
             os.environ["ADB_PATH"] = adb_path
         adb_path = os.environ["ADB_PATH"]
 
-        device = mozdevice.ADBDevice(adb=adb_path,
+        device = mozdevice.ADBDeviceFactory(adb=adb_path,
-                                     device=kwargs["device_serial"])
+                                            device=kwargs["device_serial"])
 
         if install:
             device.uninstall_app(app)

tests/wpt/web-platform-tests/tools/wptserve/tests/functional/test_server.py

@@ -14,6 +14,7 @@ class TestFileHandler(TestUsingServer):
 
         self.assertEqual(cm.exception.code, 404)
 
+
 class TestRewriter(TestUsingServer):
     def test_rewrite(self):
         @wptserve.handlers.handler
@@ -27,6 +28,7 @@ class TestRewriter(TestUsingServer):
         self.assertEqual(200, resp.getcode())
         self.assertEqual(b"/test/rewritten", resp.read())
 
+
 class TestRequestHandler(TestUsingServer):
     def test_exception(self):
         @wptserve.handlers.handler
@@ -40,6 +42,24 @@ class TestRequestHandler(TestUsingServer):
 
         self.assertEqual(cm.exception.code, 500)
 
+    def test_many_headers(self):
+        headers = {"X-Val%d" % i: str(i) for i in range(256)}
+
+        @wptserve.handlers.handler
+        def handler(request, response):
+            # Additional headers are added by urllib.request.
+            assert len(request.headers) > len(headers)
+            for k, v in headers.items():
+                assert request.headers.get(k) == \
+                    wptserve.utils.isomorphic_encode(v)
+            return "OK"
+
+        route = ("GET", "/test/headers", handler)
+        self.server.router.register(*route)
+        resp = self.request("/test/headers", headers=headers)
+        self.assertEqual(200, resp.getcode())
+
+
 class TestFileHandlerH2(TestUsingH2Server):
     def test_not_handled(self):
         self.conn.request("GET", "/not_existing")
@@ -47,6 +67,7 @@ class TestFileHandlerH2(TestUsingH2Server):
 
         assert resp.status == 404
 
+
 class TestRewriterH2(TestUsingH2Server):
     def test_rewrite(self):
         @wptserve.handlers.handler
@@ -61,6 +82,7 @@ class TestRewriterH2(TestUsingH2Server):
         assert resp.status == 200
         assert resp.read() == b"/test/rewritten"
 
+
 class TestRequestHandlerH2(TestUsingH2Server):
     def test_exception(self):
         @wptserve.handlers.handler
@@ -86,5 +108,6 @@ class TestRequestHandlerH2(TestUsingH2Server):
 
         assert resp.status == 500
 
+
 if __name__ == "__main__":
     unittest.main()

tests/wpt/web-platform-tests/tools/wptserve/tests/test_request.py

@@ -1,7 +1,7 @@
 import mock
 from six import binary_type
 
-from wptserve.request import Request, RequestHeaders
+from wptserve.request import Request, RequestHeaders, MultiDict
 
 
 class MockHTTPMessage(dict):
@@ -76,3 +76,30 @@ def test_request_url_from_host_header():
     request = Request(request_handler)
     assert request.url == 'http://web-platform.test:8001/demo'
     assert isinstance(request.url, str)
+
+
+def test_multidict():
+    m = MultiDict()
+    m["foo"] = "bar"
+    m["bar"] = "baz"
+    m.add("foo", "baz")
+    m.add("baz", "qux")
+
+    assert m["foo"] == "bar"
+    assert m.get("foo") == "bar"
+    assert m["bar"] == "baz"
+    assert m.get("bar") == "baz"
+    assert m["baz"] == "qux"
+    assert m.get("baz") == "qux"
+
+    assert m.first("foo") == "bar"
+    assert m.last("foo") == "baz"
+    assert m.get_list("foo") == ["bar", "baz"]
+    assert m.get_list("non_existent") == []
+
+    assert m.get("non_existent") is None
+    try:
+        m["non_existent"]
+        assert False, "An exception should be raised"
+    except KeyError:
+        pass

tests/wpt/web-platform-tests/tools/wptserve/wptserve/request.py

@@ -560,6 +560,17 @@ class MultiDict(dict):
             return default
         raise KeyError(key)
 
+    # We need to explicitly override dict.get; otherwise, it won't call
+    # __getitem__ and would return a list instead.
+    def get(self, key, default=None):
+        """Get the first value with a given key
+
+        :param key: The key to lookup
+        :param default: The default to return if key is
+                        not found (None by default)
+        """
+        return self.first(key, default)
+
     def get_list(self, key):
         """Get all values with a given key as a list
 

tests/wpt/web-platform-tests/tools/wptserve/wptserve/response.py

@@ -762,9 +762,10 @@ class ResponseWriter(object):
         self.content_written = True
         try:
             self._wfile.write(self.encode(data))
+            return True
         except socket.error:
             # This can happen if the socket got closed by the remote end
-            pass
+            return False
 
     def write_content_file(self, data):
         """Write a file-like object directly to the response in chunks.

tests/wpt/web-platform-tests/tools/wptserve/wptserve/server.py

@@ -29,6 +29,16 @@ from .router import Router
 from .utils import HTTPException
 from .constants import h2_headers
 
+# We need to stress test that browsers can send/receive many headers (there is
+# no specified limit), but the Python stdlib has an arbitrary limit of 100
+# headers. Hitting the limit would produce an exception that is silently caught
+# in Python 2 but leads to HTTP 431 in Python 3, so we monkey patch it higher.
+# https://bugs.python.org/issue26586
+# https://github.com/web-platform-tests/wpt/pull/24451
+from six.moves import http_client
+assert isinstance(getattr(http_client, '_MAXHEADERS'), int)
+setattr(http_client, '_MAXHEADERS', 512)
+
 """
 HTTP server designed for testing purposes.
 

tests/wpt/web-platform-tests/webaudio/the-audio-api/the-audiocontext-interface/constructor-allowed-to-start.html

@@ -0,0 +1,25 @@
+<!doctype html>
+<title>AudioContext state around "allowed to start" in constructor</title>
+<link rel=help href=https://webaudio.github.io/web-audio-api/#dom-audiocontext-audiocontext>
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<script src=/resources/testdriver.js></script>
+<script src=/resources/testdriver-vendor.js></script>
+<script>
+setup({ single_test: true });
+test_driver.bless("audio playback", () => {
+  const ctx = new AudioContext();
+  // Immediately after the constructor the state is "suspended" because the
+  // control message to start processing has just been sent, but the state
+  // should change soon.
+  assert_equals(ctx.state, "suspended", "initial state");
+  ctx.onstatechange = () => {
+    assert_equals(ctx.state, "running", "state after statechange event");
+    // Now create another context and ensure it starts out in the "suspended"
+    // state too, ensuring it's not synchronously "running".
+    const ctx2 = new AudioContext();
+    assert_equals(ctx2.state, "suspended", "initial state of 2nd context");
+    done();
+  };
+});
+</script>

tests/wpt/webgl/meta/conformance2/rendering/draw-buffers.html.ini

@@ -194,3 +194,6 @@
   [WebGL test #50: attachment 5 should be 0,255,0,255\nat (0, 0) expected: 0,255,0,255 was 1,1,0,0]
     expected: FAIL
 
+  [WebGL test #50: attachment 5 should be 0,255,0,255\nat (0, 0) expected: 0,255,0,255 was 0,0,0,255]
+    expected: FAIL
+