diff --git a/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-002.html.ini b/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-002.html.ini
deleted file mode 100644
index f64b45fea6b..00000000000
--- a/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-002.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[hit-test-floats-002.html]
-  [Hit test float]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-003.html.ini b/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-003.html.ini
new file mode 100644
index 00000000000..f29da48a2a0
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-003.html.ini
@@ -0,0 +1,4 @@
+[hit-test-floats-003.html]
+  [Miss float below something else]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-004.html.ini b/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-004.html.ini
new file mode 100644
index 00000000000..4bfb0c2053a
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/CSS2/floats/hit-test-floats-004.html.ini
@@ -0,0 +1,4 @@
+[hit-test-floats-004.html]
+  [Miss float below something else]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/css-animations/transform-animation-under-large-scale.html.ini b/tests/wpt/metadata-layout-2020/css/css-animations/transform-animation-under-large-scale.html.ini
new file mode 100644
index 00000000000..f97ef08100d
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/css-animations/transform-animation-under-large-scale.html.ini
@@ -0,0 +1,2 @@
+[transform-animation-under-large-scale.html]
+  expected: TIMEOUT
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/CaretPosition-001.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/CaretPosition-001.html.ini
deleted file mode 100644
index 4c79907309b..00000000000
--- a/tests/wpt/metadata-layout-2020/css/cssom-view/CaretPosition-001.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[CaretPosition-001.html]
-  [Element at (400, 100)]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPoint-001.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPoint-001.html.ini
deleted file mode 100644
index e38782d8c85..00000000000
--- a/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPoint-001.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[elementFromPoint-001.html]
-  [CSSOM View - 5 - extensions to the Document interface]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPosition.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPosition.html.ini
index c131078eace..23c61ede1a1 100644
--- a/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPosition.html.ini
+++ b/tests/wpt/metadata-layout-2020/css/cssom-view/elementFromPosition.html.ini
@@ -17,3 +17,6 @@
   [test the top of layer]
     expected: FAIL
 
+  [test some point of the element: top left corner]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-invalid-cases.html.ini b/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-invalid-cases.html.ini
deleted file mode 100644
index e181af5397f..00000000000
--- a/tests/wpt/metadata-layout-2020/css/cssom-view/elementsFromPoint-invalid-cases.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[elementsFromPoint-invalid-cases.html]
-  [The root element is the last element returned for otherwise empty queries within the viewport]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata-layout-2020/css/filter-effects/svg-empty-container-with-filter-content-added.html.ini b/tests/wpt/metadata-layout-2020/css/filter-effects/svg-empty-container-with-filter-content-added.html.ini
new file mode 100644
index 00000000000..4364ed7dfbf
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/css/filter-effects/svg-empty-container-with-filter-content-added.html.ini
@@ -0,0 +1,2 @@
+[svg-empty-container-with-filter-content-added.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata-layout-2020/fetch/content-type/response.window.js.ini b/tests/wpt/metadata-layout-2020/fetch/content-type/response.window.js.ini
index e0bbae06c27..1e40a614575 100644
--- a/tests/wpt/metadata-layout-2020/fetch/content-type/response.window.js.ini
+++ b/tests/wpt/metadata-layout-2020/fetch/content-type/response.window.js.ini
@@ -309,15 +309,21 @@
   [Response: combined response Content-Type: text/html;" \\" text/plain ";charset=GBK]
     expected: NOTRUN
 
-  [<iframe>: separate response Content-Type: text/html;" \\" text/plain]
-    expected: FAIL
-
   [<iframe>: combined response Content-Type: text/html;" text/plain]
     expected: FAIL
 
-  [<iframe>: combined response Content-Type: text/html */*;charset=gbk]
-    expected: FAIL
-
   [<iframe>: combined response Content-Type: text/html;x=" text/plain]
     expected: FAIL
 
+  [<iframe>: combined response Content-Type: text/html;charset=gbk text/plain text/html]
+    expected: FAIL
+
+  [<iframe>: separate response Content-Type: text/html */*;charset=gbk]
+    expected: FAIL
+
+  [<iframe>: separate response Content-Type: text/plain */*]
+    expected: FAIL
+
+  [<iframe>: separate response Content-Type: text/html;x=" text/plain]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/fetch/content-type/script.window.js.ini b/tests/wpt/metadata-layout-2020/fetch/content-type/script.window.js.ini
index d2df9b78483..258fe374697 100644
--- a/tests/wpt/metadata-layout-2020/fetch/content-type/script.window.js.ini
+++ b/tests/wpt/metadata-layout-2020/fetch/content-type/script.window.js.ini
@@ -56,3 +56,6 @@
   [separate text/javascript x/x]
     expected: FAIL
 
+  [separate text/javascript ]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/fetch/nosniff/parsing-nosniff.window.js.ini b/tests/wpt/metadata-layout-2020/fetch/nosniff/parsing-nosniff.window.js.ini
index 70efd28ddfc..30e1b851fd4 100644
--- a/tests/wpt/metadata-layout-2020/fetch/nosniff/parsing-nosniff.window.js.ini
+++ b/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
 
-  [X-Content-Type-Options%3A%20no%0D%0AX-Content-Type-Options%3A%20nosniff]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini b/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini
new file mode 100644
index 00000000000..87b07c3e670
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini
@@ -0,0 +1,4 @@
+[traverse_the_history_1.html]
+  [Multiple history traversals from the same task]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_5.html.ini b/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_5.html.ini
deleted file mode 100644
index dc2e45516de..00000000000
--- a/tests/wpt/metadata-layout-2020/html/browsers/history/the-history-interface/traverse_the_history_5.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[traverse_the_history_5.html]
-  [Multiple history traversals, last would be aborted]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata-layout-2020/html/browsers/origin/cross-origin-objects/cross-origin-objects-on-new-window.html.ini b/tests/wpt/metadata-layout-2020/html/browsers/origin/cross-origin-objects/cross-origin-objects-on-new-window.html.ini
deleted file mode 100644
index 735a9a75a2a..00000000000
--- a/tests/wpt/metadata-layout-2020/html/browsers/origin/cross-origin-objects/cross-origin-objects-on-new-window.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[cross-origin-objects-on-new-window.html]
-  expected: TIMEOUT
diff --git a/tests/wpt/metadata-layout-2020/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/creating_browsing_context_test_01.html.ini b/tests/wpt/metadata-layout-2020/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/creating_browsing_context_test_01.html.ini
index dec4c579137..16fa2c5cfc1 100644
--- a/tests/wpt/metadata-layout-2020/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/creating_browsing_context_test_01.html.ini
+++ b/tests/wpt/metadata-layout-2020/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/creating_browsing_context_test_01.html.ini
@@ -1,5 +1,4 @@
 [creating_browsing_context_test_01.html]
-  expected: TIMEOUT
   [first argument: absolute url]
-    expected: TIMEOUT
+    expected: FAIL
 
diff --git a/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/image-maps/image-map-processing-model/hash-name-reference.html.ini b/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/image-maps/image-map-processing-model/hash-name-reference.html.ini
index 09ae27d7480..5c3ac06f42a 100644
--- a/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/image-maps/image-map-processing-model/hash-name-reference.html.ini
+++ b/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/image-maps/image-map-processing-model/hash-name-reference.html.ini
@@ -171,6 +171,3 @@
   [XHTML img usemap="#hash-id"]
     expected: FAIL
 
-  [HTML (standards) IMG usemap="no-hash-name"]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini b/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini
index f4f994c5d6f..7a36937927c 100644
--- a/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini
+++ b/tests/wpt/metadata-layout-2020/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini
@@ -1,5 +1,4 @@
 [iframe_sandbox_popups_nonescaping-3.html]
-  expected: TIMEOUT
   [Check that popups from a sandboxed iframe do not escape the sandbox]
-    expected: NOTRUN
+    expected: FAIL
 
diff --git a/tests/wpt/metadata-layout-2020/html/semantics/forms/form-submission-0/form-double-submit-3.html.ini b/tests/wpt/metadata-layout-2020/html/semantics/forms/form-submission-0/form-double-submit-3.html.ini
new file mode 100644
index 00000000000..9f416703229
--- /dev/null
+++ b/tests/wpt/metadata-layout-2020/html/semantics/forms/form-submission-0/form-double-submit-3.html.ini
@@ -0,0 +1,4 @@
+[form-double-submit-3.html]
+  [<button> should have the same double-submit protection as <input type=submit>]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/html/webappapis/scripting/events/compile-event-handler-settings-objects.html.ini b/tests/wpt/metadata-layout-2020/html/webappapis/scripting/events/compile-event-handler-settings-objects.html.ini
index 450c88bd32b..dbec6f2c2ff 100644
--- a/tests/wpt/metadata-layout-2020/html/webappapis/scripting/events/compile-event-handler-settings-objects.html.ini
+++ b/tests/wpt/metadata-layout-2020/html/webappapis/scripting/events/compile-event-handler-settings-objects.html.ini
@@ -3,6 +3,3 @@
   [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
-
diff --git a/tests/wpt/metadata-layout-2020/webaudio/the-audio-api/the-audiobuffersourcenode-interface/sub-sample-buffer-stitching.html.ini b/tests/wpt/metadata-layout-2020/webaudio/the-audio-api/the-audiobuffersourcenode-interface/sub-sample-buffer-stitching.html.ini
index a8fdc1d5bb8..1e153ddfe48 100644
--- a/tests/wpt/metadata-layout-2020/webaudio/the-audio-api/the-audiobuffersourcenode-interface/sub-sample-buffer-stitching.html.ini
+++ b/tests/wpt/metadata-layout-2020/webaudio/the-audio-api/the-audiobuffersourcenode-interface/sub-sample-buffer-stitching.html.ini
@@ -347,3 +347,6 @@
   [X Stitched sine-wave buffers at sample rate 43800 does not equal [0,0.06264832615852356,0.12505052983760834,0.18696144223213196,0.24813786149024963,0.308339387178421,0.36732959747314453,0.4248766601085663,0.480754554271698,0.5347436666488647,0.5866320133209229,0.6362156271934509,0.6832997798919678,0.7276994585990906,0.7692402601242065,0.8077589869499207...\] with an element-wise tolerance of {"absoluteThreshold":0.0038986,"relativeThreshold":0}.\n\tIndex\tActual\t\t\tExpected\t\tAbsError\t\tRelError\t\tTest threshold\n\t[28696\]\t-2.6532444456922729e-32\t9.3139332532882690e-1\t9.3139332532882690e-1\t1.0000000000000000e+0\t3.8985999999999999e-3\n\t[28697\]\t7.0477002859115601e-1\t9.0675884485244751e-1\t2.0198881626129150e-1\t2.2275913536212616e-1\t3.8985999999999999e-3\n\tMax AbsError of 9.3139332532882690e-1 at index of 28696.\n\tMax RelError of 1.0000000000000000e+0 at index of 28696.\n]
     expected: FAIL
 
+  [X Stitched sine-wave buffers at sample rate 43800 does not equal [0,0.06264832615852356,0.12505052983760834,0.18696144223213196,0.24813786149024963,0.308339387178421,0.36732959747314453,0.4248766601085663,0.480754554271698,0.5347436666488647,0.5866320133209229,0.6362156271934509,0.6832997798919678,0.7276994585990906,0.7692402601242065,0.8077589869499207...\] with an element-wise tolerance of {"absoluteThreshold":0.0038986,"relativeThreshold":0}.\n\tIndex\tActual\t\t\tExpected\t\tAbsError\t\tRelError\t\tTest threshold\n\t[28696\]\t-1.9106894885712045e-15\t9.3139332532882690e-1\t9.3139332532882879e-1\t1.0000000000000020e+0\t3.8985999999999999e-3\n\t[28697\]\t7.0477002859115601e-1\t9.0675884485244751e-1\t2.0198881626129150e-1\t2.2275913536212616e-1\t3.8985999999999999e-3\n\tMax AbsError of 9.3139332532882879e-1 at index of 28696.\n\tMax RelError of 1.0000000000000020e+0 at index of 28696.\n]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata-layout-2020/webmessaging/with-ports/017.html.ini b/tests/wpt/metadata-layout-2020/webmessaging/without-ports/017.html.ini
similarity index 100%
rename from tests/wpt/metadata-layout-2020/webmessaging/with-ports/017.html.ini
rename to tests/wpt/metadata-layout-2020/webmessaging/without-ports/017.html.ini
diff --git a/tests/wpt/metadata/MANIFEST.json b/tests/wpt/metadata/MANIFEST.json
index bb7a7e61f65..05e2fab47f2 100644
--- a/tests/wpt/metadata/MANIFEST.json
+++ b/tests/wpt/metadata/MANIFEST.json
@@ -91,6 +91,13 @@
      }
     },
     "css-flexbox": {
+     "contain-size-layout-abspos-flex-container-crash.html": [
+      "3197d5b796b032742fa44bbd42ba6fe803268d69",
+      [
+       null,
+       {}
+      ]
+     ],
      "fixedpos-video-in-abspos-quirk-crash.html": [
       "80cae086ca7ba1ceb9af2631ea2a5aa04249040b",
       [
@@ -10995,7 +11002,7 @@
     },
     "css-scroll-snap": {
      "snap-at-user-scroll-end-manual.html": [
-      "e87b8e9b3fad8f31f3dd88a59931d1ed30cd2150",
+      "373e3fcb1e1178f0d30d82a06c97c29db150123a",
       [
        null,
        {}
@@ -121631,6 +121638,19 @@
        ],
        {}
       ]
+     ],
+     "transform-animation-under-large-scale.html": [
+      "359380d698bb26a4404d027285150de3b63492a0",
+      [
+       null,
+       [
+        [
+         "/css/css-animations/transform-animation-under-large-scale-ref.html",
+         "=="
+        ]
+       ],
+       {}
+      ]
      ]
     },
     "css-backgrounds": {
@@ -128710,6 +128730,32 @@
        ],
        {}
       ]
+     ],
+     "widows-orphans-006.html": [
+      "39913266412df2a383b6fc091291333856e65c38",
+      [
+       null,
+       [
+        [
+         "/css/reference/ref-filled-green-100px-square.xht",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ],
+     "widows-orphans-007.html": [
+      "23809c8ffedf7c4702562a08adfbb23f2fd462fd",
+      [
+       null,
+       [
+        [
+         "/css/reference/ref-filled-green-100px-square.xht",
+         "=="
+        ]
+       ],
+       {}
+      ]
      ]
     },
     "css-cascade": {
@@ -133184,6 +133230,19 @@
        {}
       ]
      ],
+     "contain-size-monolithic-002.html": [
+      "7f407df30b7e459673fc6481e0b150f0ae39d46a",
+      [
+       null,
+       [
+        [
+         "/css/reference/ref-filled-green-100px-square-only.html",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ],
      "contain-size-multicol-001.html": [
       "81465c02d6114aa4a27637b2e77b3d62161c0864",
       [
@@ -160662,6 +160721,32 @@
        {}
       ]
      ],
+     "balance-break-avoidance-000.html": [
+      "f6540e4ab0c1ba55ebef6463f90f2246f2801443",
+      [
+       null,
+       [
+        [
+         "/css/reference/ref-filled-green-100px-square.xht",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ],
+     "balance-break-avoidance-001.html": [
+      "1449110516f35ac89bcadd0dfc59fbff3961966d",
+      [
+       null,
+       [
+        [
+         "/css/reference/ref-filled-green-100px-square.xht",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ],
      "balance-grid-container.html": [
       "64df23e09fb62c6e71aa834c96b72d4bf2330f06",
       [
@@ -160675,6 +160760,19 @@
        {}
       ]
      ],
+     "balance-orphans-widows-000.html": [
+      "97f2d0ccd17699b7b43c6cdc01e0edcde049de9d",
+      [
+       null,
+       [
+        [
+         "/css/reference/ref-filled-green-100px-square.xht",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ],
      "baseline-000.html": [
       "e01e9de1dd124af08eb5a2aa07f36254769375a7",
       [
@@ -161832,6 +161930,19 @@
        {}
       ]
      ],
+     "multicol-fill-balance-nested-000.html": [
+      "5e466df8077545b4d6474389d296bc26c5b28b86",
+      [
+       null,
+       [
+        [
+         "/css/reference/ref-filled-green-100px-square.xht",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ],
      "multicol-gap-000.xht": [
       "88aa17e8b488565dc40398e6e8f1d2e3bf3a97a1",
       [
@@ -221498,6 +221609,19 @@
        {}
       ]
      ],
+     "svg-empty-container-with-filter-content-added.html": [
+      "6436461f78bc03b7b2655b7c1b114f15acfc81f9",
+      [
+       null,
+       [
+        [
+         "/css/filter-effects/reference/green-100x100.html",
+         "=="
+        ]
+       ],
+       {}
+      ]
+     ],
      "svg-feflood-001.html": [
       "4588cf93f6ca52386ce8af1dbe6e0462572bb559",
       [
@@ -300300,7 +300424,11 @@
        "7d3392a54f65dca018e960874efe19f8ca388a70",
        []
       ]
-     }
+     },
+     "transform-animation-under-large-scale-ref.html": [
+      "14b41366268c3a33f2d49e477bab2d40c6acb432",
+      []
+     ]
     },
     "css-backgrounds": {
      "META.yml": [
@@ -350515,7 +350643,7 @@
      []
     ],
     "html.idl": [
-     "bf8da3733ec26f4979fed63a17a9180c3355a494",
+     "7a900255780ba3849d9184186efe68cf9b916f79",
      []
     ],
     "idle-detection.tentative.idl": [
@@ -350583,7 +350711,7 @@
      []
     ],
     "media-source.idl": [
-     "51eccd906e74bbe7a9aad42817c730c29c281d79",
+     "f32df3aaedc0b4722f62379273aa489fd5ea0ab7",
      []
     ],
     "mediacapture-depth.idl": [
@@ -350603,7 +350731,7 @@
      []
     ],
     "mediastream-recording.idl": [
-     "c5347959383d1fce74a07be9b2709cac8f9ea5b2",
+     "2878af4b66c276604d4e84e7b9796549f74e7415",
      []
     ],
     "mst-content-hint.idl": [
@@ -350662,6 +350790,10 @@
      "dc0511b0c4b091066a9dcbc94ece9cac28088bde",
      []
     ],
+    "performance-measure-memory.idl": [
+     "b1014f679bb7bd88ed2ef5733ae52c48c4ac0e0f",
+     []
+    ],
     "performance-timeline.idl": [
      "34f62a37823f30360ca94b9d8f695668f3ac0969",
      []
@@ -350767,7 +350899,7 @@
      []
     ],
     "serial.idl": [
-     "b376bac1ed7a851baff2bde6010944bb7b1c644e",
+     "7bca747757345934b076b5f447cf6274483ecbd5",
      []
     ],
     "server-timing.idl": [
@@ -350875,7 +351007,7 @@
      []
     ],
     "webaudio.idl": [
-     "d869a978e34da5c5455fe4a99d60841187280474",
+     "c8ad2a851fc03f90aff3b0c8a2289fadffdb85be",
      []
     ],
     "webauthn.idl": [
@@ -350919,7 +351051,7 @@
      []
     ],
     "webrtc.idl": [
-     "db644f031836bd2dfa8d046f5c78d561186490ec",
+     "e58df13b02c3fa0072b7054df77f4e8eb498aaae",
      []
     ],
     "webusb.idl": [
@@ -356764,7 +356896,7 @@
       []
      ],
      "nfc-mock.js": [
-      "aa94257e2a394d027972f2fd683e672eeafc8d5e",
+      "2665f3db6b3f2a887ec97d10db6c0123e6a2bb4e",
       []
      ],
      "web-bluetooth-test.js": [
@@ -368664,12 +368796,12 @@
         []
        ],
        "chromium.py": [
-        "3c52f76965b144ba1845c1f6e60fc6ea0bb63d54",
+        "2ff2bd1e083a3439d1289c9f540a8bb2b1e20dbc",
         []
        ],
        "tests": {
         "test_chromium.py": [
-         "807f5837f7964e329d05377b34029c6ab727611f",
+         "55a12b1d7748aed97b38a56848f052d77412dccb",
          []
         ]
        },
@@ -375932,7 +376064,7 @@
       ]
      ],
      "Blob-stream.any.js": [
-      "bd4f8dc40bca12eb10a2f471dee417d3e31075a0",
+      "792b6639c35a265de4902af83ab5724a178ae8a9",
       [
        "FileAPI/blob/Blob-stream.any.html",
        {
@@ -477201,7 +477333,7 @@
       ]
      ],
      "idlharness.https.html": [
-      "a906b19ac88ab44afbb0d2d6ac355ad337777e7d",
+      "79f949f436a39e3c652b7016e19876d4fdfea983",
       [
        "html/dom/idlharness.https.html?exclude=(Document|Window|HTML.*)",
        {
@@ -498458,6 +498590,85 @@
       }
      ]
     ],
+    "idlharness.tentative.any.js": [
+     "3e7589aeb95e2d06aa7bfd799a3e5afb342c0fce",
+     [
+      "measure-memory/idlharness.tentative.any.html",
+      {
+       "script_metadata": [
+        [
+         "global",
+         "window,worker"
+        ],
+        [
+         "script",
+         "/resources/WebIDLParser.js"
+        ],
+        [
+         "script",
+         "/resources/idlharness.js"
+        ]
+       ]
+      }
+     ],
+     [
+      "measure-memory/idlharness.tentative.any.serviceworker.html",
+      {
+       "script_metadata": [
+        [
+         "global",
+         "window,worker"
+        ],
+        [
+         "script",
+         "/resources/WebIDLParser.js"
+        ],
+        [
+         "script",
+         "/resources/idlharness.js"
+        ]
+       ]
+      }
+     ],
+     [
+      "measure-memory/idlharness.tentative.any.sharedworker.html",
+      {
+       "script_metadata": [
+        [
+         "global",
+         "window,worker"
+        ],
+        [
+         "script",
+         "/resources/WebIDLParser.js"
+        ],
+        [
+         "script",
+         "/resources/idlharness.js"
+        ]
+       ]
+      }
+     ],
+     [
+      "measure-memory/idlharness.tentative.any.worker.html",
+      {
+       "script_metadata": [
+        [
+         "global",
+         "window,worker"
+        ],
+        [
+         "script",
+         "/resources/WebIDLParser.js"
+        ],
+        [
+         "script",
+         "/resources/idlharness.js"
+        ]
+       ]
+      }
+     ]
+    ],
     "iframe.cross-origin.tentative.https.window.js": [
      "ac0641cc2621df534faedfe50d22dac5bde3cb15",
      [
@@ -543261,7 +543472,7 @@
      ]
     ],
     "NDEFReader_scan.https.html": [
-     "0a8d8cb25a567a795dda572e963d74997de35406",
+     "ba101d67e5debc657b140bd23b7d81f9f5dc525d",
      [
       null,
       {}
@@ -543275,7 +543486,7 @@
      ]
     ],
     "NDEFReader_write.https.html": [
-     "d1541b1b525828ee2f550fdb866365b683f31746",
+     "35e6dd37299485d914df3e9f0c36d5aed4f10e8b",
      [
       null,
       {}
@@ -546639,7 +546850,7 @@
      ]
     ],
     "RTCConfiguration-iceServers.html": [
-     "1cbf1d6c1da47b80d9b3d7173f78062f2e49bf10",
+     "36f1277678ac3e402e60e1254c39bc0d4d84e851",
      [
       null,
       {}
@@ -547733,6 +547944,13 @@
     }
    },
    "webrtc-extensions": {
+    "RTCOAuthCredential.html": [
+     "63e92c6d087d3f3395651b9fd8ea583736bf7030",
+     [
+      null,
+      {}
+     ]
+    ],
     "RTCRtpParameters-maxFramerate.html": [
      "c1d472386009d693835263483959a83d0e898048",
      [
diff --git a/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-002.html.ini b/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-002.html.ini
deleted file mode 100644
index f64b45fea6b..00000000000
--- a/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-002.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[hit-test-floats-002.html]
-  [Hit test float]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-003.html.ini b/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-003.html.ini
new file mode 100644
index 00000000000..f29da48a2a0
--- /dev/null
+++ b/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-003.html.ini
@@ -0,0 +1,4 @@
+[hit-test-floats-003.html]
+  [Miss float below something else]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-004.html.ini b/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-004.html.ini
new file mode 100644
index 00000000000..4bfb0c2053a
--- /dev/null
+++ b/tests/wpt/metadata/css/CSS2/floats/hit-test-floats-004.html.ini
@@ -0,0 +1,4 @@
+[hit-test-floats-004.html]
+  [Miss float below something else]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/css/css-animations/transform-animation-under-large-scale.html.ini b/tests/wpt/metadata/css/css-animations/transform-animation-under-large-scale.html.ini
new file mode 100644
index 00000000000..f97ef08100d
--- /dev/null
+++ b/tests/wpt/metadata/css/css-animations/transform-animation-under-large-scale.html.ini
@@ -0,0 +1,2 @@
+[transform-animation-under-large-scale.html]
+  expected: TIMEOUT
diff --git a/tests/wpt/metadata/css/cssom-view/CaretPosition-001.html.ini b/tests/wpt/metadata/css/cssom-view/CaretPosition-001.html.ini
deleted file mode 100644
index 4c79907309b..00000000000
--- a/tests/wpt/metadata/css/cssom-view/CaretPosition-001.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[CaretPosition-001.html]
-  [Element at (400, 100)]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/css/cssom-view/elementFromPoint-001.html.ini b/tests/wpt/metadata/css/cssom-view/elementFromPoint-001.html.ini
deleted file mode 100644
index e38782d8c85..00000000000
--- a/tests/wpt/metadata/css/cssom-view/elementFromPoint-001.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[elementFromPoint-001.html]
-  [CSSOM View - 5 - extensions to the Document interface]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/css/cssom-view/elementFromPosition.html.ini b/tests/wpt/metadata/css/cssom-view/elementFromPosition.html.ini
index 85e94926cb3..5733d536fd3 100644
--- a/tests/wpt/metadata/css/cssom-view/elementFromPosition.html.ini
+++ b/tests/wpt/metadata/css/cssom-view/elementFromPosition.html.ini
@@ -21,3 +21,6 @@
   [test the top of layer]
     expected: FAIL
 
+  [test some point of the element: top left corner]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/css/cssom-view/elementsFromPoint-invalid-cases.html.ini b/tests/wpt/metadata/css/cssom-view/elementsFromPoint-invalid-cases.html.ini
deleted file mode 100644
index e181af5397f..00000000000
--- a/tests/wpt/metadata/css/cssom-view/elementsFromPoint-invalid-cases.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[elementsFromPoint-invalid-cases.html]
-  [The root element is the last element returned for otherwise empty queries within the viewport]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/css/filter-effects/svg-empty-container-with-filter-content-added.html.ini b/tests/wpt/metadata/css/filter-effects/svg-empty-container-with-filter-content-added.html.ini
new file mode 100644
index 00000000000..4364ed7dfbf
--- /dev/null
+++ b/tests/wpt/metadata/css/filter-effects/svg-empty-container-with-filter-content-added.html.ini
@@ -0,0 +1,2 @@
+[svg-empty-container-with-filter-content-added.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/fetch/content-type/response.window.js.ini b/tests/wpt/metadata/fetch/content-type/response.window.js.ini
index 1a43b007370..3021faa3902 100644
--- a/tests/wpt/metadata/fetch/content-type/response.window.js.ini
+++ b/tests/wpt/metadata/fetch/content-type/response.window.js.ini
@@ -309,15 +309,21 @@
   [fetch(): separate response Content-Type: text/plain ]
     expected: NOTRUN
 
-  [<iframe>: separate response Content-Type: text/html;" \\" text/plain]
-    expected: FAIL
-
   [<iframe>: combined response Content-Type: text/html;" text/plain]
     expected: FAIL
 
-  [<iframe>: combined response Content-Type: text/html */*;charset=gbk]
-    expected: FAIL
-
   [<iframe>: combined response Content-Type: text/html;x=" text/plain]
     expected: FAIL
 
+  [<iframe>: combined response Content-Type: text/html;charset=gbk text/plain text/html]
+    expected: FAIL
+
+  [<iframe>: separate response Content-Type: text/html */*;charset=gbk]
+    expected: FAIL
+
+  [<iframe>: separate response Content-Type: text/plain */*]
+    expected: FAIL
+
+  [<iframe>: separate response Content-Type: text/html;x=" text/plain]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/fetch/content-type/script.window.js.ini b/tests/wpt/metadata/fetch/content-type/script.window.js.ini
index d2df9b78483..258fe374697 100644
--- a/tests/wpt/metadata/fetch/content-type/script.window.js.ini
+++ b/tests/wpt/metadata/fetch/content-type/script.window.js.ini
@@ -56,3 +56,6 @@
   [separate text/javascript x/x]
     expected: FAIL
 
+  [separate text/javascript ]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/fetch/nosniff/parsing-nosniff.window.js.ini b/tests/wpt/metadata/fetch/nosniff/parsing-nosniff.window.js.ini
index 70efd28ddfc..30e1b851fd4 100644
--- a/tests/wpt/metadata/fetch/nosniff/parsing-nosniff.window.js.ini
+++ b/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
 
-  [X-Content-Type-Options%3A%20no%0D%0AX-Content-Type-Options%3A%20nosniff]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini
new file mode 100644
index 00000000000..87b07c3e670
--- /dev/null
+++ b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_1.html.ini
@@ -0,0 +1,4 @@
+[traverse_the_history_1.html]
+  [Multiple history traversals from the same task]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_5.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_5.html.ini
deleted file mode 100644
index dc2e45516de..00000000000
--- a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_5.html.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[traverse_the_history_5.html]
-  [Multiple history traversals, last would be aborted]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/html/browsers/origin/cross-origin-objects/cross-origin-objects-on-new-window.html.ini b/tests/wpt/metadata/html/browsers/origin/cross-origin-objects/cross-origin-objects-on-new-window.html.ini
deleted file mode 100644
index 735a9a75a2a..00000000000
--- a/tests/wpt/metadata/html/browsers/origin/cross-origin-objects/cross-origin-objects-on-new-window.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[cross-origin-objects-on-new-window.html]
-  expected: TIMEOUT
diff --git a/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/creating_browsing_context_test_01.html.ini b/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/creating_browsing_context_test_01.html.ini
index dec4c579137..16fa2c5cfc1 100644
--- a/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/creating_browsing_context_test_01.html.ini
+++ b/tests/wpt/metadata/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/creating_browsing_context_test_01.html.ini
@@ -1,5 +1,4 @@
 [creating_browsing_context_test_01.html]
-  expected: TIMEOUT
   [first argument: absolute url]
-    expected: TIMEOUT
+    expected: FAIL
 
diff --git a/tests/wpt/metadata/html/semantics/embedded-content/image-maps/image-map-processing-model/hash-name-reference.html.ini b/tests/wpt/metadata/html/semantics/embedded-content/image-maps/image-map-processing-model/hash-name-reference.html.ini
index 98163335e40..1de3f8d68b2 100644
--- a/tests/wpt/metadata/html/semantics/embedded-content/image-maps/image-map-processing-model/hash-name-reference.html.ini
+++ b/tests/wpt/metadata/html/semantics/embedded-content/image-maps/image-map-processing-model/hash-name-reference.html.ini
@@ -172,6 +172,3 @@
   [XHTML img usemap="http://example.org/#garbage-before-hash-id"]
     expected: FAIL
 
-  [HTML (standards) IMG usemap="no-hash-name"]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini
index f4f994c5d6f..7a36937927c 100644
--- a/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini
+++ b/tests/wpt/metadata/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_popups_nonescaping-3.html.ini
@@ -1,5 +1,4 @@
 [iframe_sandbox_popups_nonescaping-3.html]
-  expected: TIMEOUT
   [Check that popups from a sandboxed iframe do not escape the sandbox]
-    expected: NOTRUN
+    expected: FAIL
 
diff --git a/tests/wpt/metadata/html/semantics/forms/form-submission-0/form-double-submit-3.html.ini b/tests/wpt/metadata/html/semantics/forms/form-submission-0/form-double-submit-3.html.ini
new file mode 100644
index 00000000000..9f416703229
--- /dev/null
+++ b/tests/wpt/metadata/html/semantics/forms/form-submission-0/form-double-submit-3.html.ini
@@ -0,0 +1,4 @@
+[form-double-submit-3.html]
+  [<button> should have the same double-submit protection as <input type=submit>]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/webappapis/scripting/events/compile-event-handler-settings-objects.html.ini b/tests/wpt/metadata/html/webappapis/scripting/events/compile-event-handler-settings-objects.html.ini
index 01f7b72cbe7..0cef5158fae 100644
--- a/tests/wpt/metadata/html/webappapis/scripting/events/compile-event-handler-settings-objects.html.ini
+++ b/tests/wpt/metadata/html/webappapis/scripting/events/compile-event-handler-settings-objects.html.ini
@@ -4,6 +4,3 @@
   [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
-
diff --git a/tests/wpt/metadata/webaudio/the-audio-api/the-audiobuffersourcenode-interface/sub-sample-buffer-stitching.html.ini b/tests/wpt/metadata/webaudio/the-audio-api/the-audiobuffersourcenode-interface/sub-sample-buffer-stitching.html.ini
index b781b2d0086..8b5794e8a16 100644
--- a/tests/wpt/metadata/webaudio/the-audio-api/the-audiobuffersourcenode-interface/sub-sample-buffer-stitching.html.ini
+++ b/tests/wpt/metadata/webaudio/the-audio-api/the-audiobuffersourcenode-interface/sub-sample-buffer-stitching.html.ini
@@ -575,3 +575,6 @@
   [X Stitched sine-wave buffers at sample rate 43800 does not equal [0,0.06264832615852356,0.12505052983760834,0.18696144223213196,0.24813786149024963,0.308339387178421,0.36732959747314453,0.4248766601085663,0.480754554271698,0.5347436666488647,0.5866320133209229,0.6362156271934509,0.6832997798919678,0.7276994585990906,0.7692402601242065,0.8077589869499207...\] with an element-wise tolerance of {"absoluteThreshold":0.0038986,"relativeThreshold":0}.\n\tIndex\tActual\t\t\tExpected\t\tAbsError\t\tRelError\t\tTest threshold\n\t[28696\]\t-2.6532444456922729e-32\t9.3139332532882690e-1\t9.3139332532882690e-1\t1.0000000000000000e+0\t3.8985999999999999e-3\n\t[28697\]\t7.0477002859115601e-1\t9.0675884485244751e-1\t2.0198881626129150e-1\t2.2275913536212616e-1\t3.8985999999999999e-3\n\tMax AbsError of 9.3139332532882690e-1 at index of 28696.\n\tMax RelError of 1.0000000000000000e+0 at index of 28696.\n]
     expected: FAIL
 
+  [X Stitched sine-wave buffers at sample rate 43800 does not equal [0,0.06264832615852356,0.12505052983760834,0.18696144223213196,0.24813786149024963,0.308339387178421,0.36732959747314453,0.4248766601085663,0.480754554271698,0.5347436666488647,0.5866320133209229,0.6362156271934509,0.6832997798919678,0.7276994585990906,0.7692402601242065,0.8077589869499207...\] with an element-wise tolerance of {"absoluteThreshold":0.0038986,"relativeThreshold":0}.\n\tIndex\tActual\t\t\tExpected\t\tAbsError\t\tRelError\t\tTest threshold\n\t[28696\]\t-1.9106894885712045e-15\t9.3139332532882690e-1\t9.3139332532882879e-1\t1.0000000000000020e+0\t3.8985999999999999e-3\n\t[28697\]\t7.0477002859115601e-1\t9.0675884485244751e-1\t2.0198881626129150e-1\t2.2275913536212616e-1\t3.8985999999999999e-3\n\tMax AbsError of 9.3139332532882879e-1 at index of 28696.\n\tMax RelError of 1.0000000000000020e+0 at index of 28696.\n]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/webmessaging/with-ports/017.html.ini b/tests/wpt/metadata/webmessaging/without-ports/017.html.ini
similarity index 100%
rename from tests/wpt/metadata/webmessaging/with-ports/017.html.ini
rename to tests/wpt/metadata/webmessaging/without-ports/017.html.ini
diff --git a/tests/wpt/web-platform-tests/FileAPI/blob/Blob-stream.any.js b/tests/wpt/web-platform-tests/FileAPI/blob/Blob-stream.any.js
index bd4f8dc40bc..792b6639c35 100644
--- a/tests/wpt/web-platform-tests/FileAPI/blob/Blob-stream.any.js
+++ b/tests/wpt/web-platform-tests/FileAPI/blob/Blob-stream.any.js
@@ -3,15 +3,25 @@
 // META: script=../../streams/resources/test-utils.js
 'use strict';
 
+// Helper function that triggers garbage collection while reading a chunk
+// if perform_gc is true.
+async function read_and_gc(reader, perform_gc) {
+  const read_promise = reader.read();
+  if (perform_gc)
+    garbageCollect();
+  return read_promise;
+}
+
 // Takes in a ReadableStream and reads from it until it is done, returning
-// an array that contains the results of each read operation
-async function read_all_chunks(stream) {
+// an array that contains the results of each read operation. If perform_gc
+// is true, garbage collection is triggered while reading every chunk.
+async function read_all_chunks(stream, perform_gc = false) {
   assert_true(stream instanceof ReadableStream);
   assert_true('getReader' in stream);
   const reader = stream.getReader();
 
   assert_true('read' in reader);
-  let read_value = await reader.read();
+  let read_value = await read_and_gc(reader, perform_gc);
 
   let out = [];
   let i = 0;
@@ -19,7 +29,7 @@ async function read_all_chunks(stream) {
     for (let val of read_value.value) {
       out[i++] = val;
     }
-    read_value = await reader.read();
+    read_value = await read_and_gc(reader, perform_gc);
   }
   return out;
 }
@@ -56,7 +66,7 @@ promise_test(async() => {
   const stream = blob.stream();
   blob = null;
   garbageCollect();
-  const chunks = await read_all_chunks(stream);
+  const chunks = await read_all_chunks(stream, /*perform_gc=*/true);
   assert_array_equals(chunks, input_arr);
 }, "Blob.stream() garbage collection of blob shouldn't break stream" +
       "consumption")
diff --git a/tests/wpt/web-platform-tests/css/css-animations/transform-animation-under-large-scale-ref.html b/tests/wpt/web-platform-tests/css/css-animations/transform-animation-under-large-scale-ref.html
new file mode 100644
index 00000000000..14b41366268
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-animations/transform-animation-under-large-scale-ref.html
@@ -0,0 +1,3 @@
+<!DOCTYPE html>
+<div style="width: 200px; height: 100px; background: blue"></div>
+<div style="width: 200px; height: 100px; background: green"></div>
diff --git a/tests/wpt/web-platform-tests/css/css-animations/transform-animation-under-large-scale.html b/tests/wpt/web-platform-tests/css/css-animations/transform-animation-under-large-scale.html
new file mode 100644
index 00000000000..359380d698b
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-animations/transform-animation-under-large-scale.html
@@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<title>Transform animation under large scale</title>
+<link rel="author" title="Xianzhu Wang" href="mailto:wangxianzhu@chromium.org">
+<link rel="help" href="https://crbug.com/1153428">
+<link rel="match" href="transform-animation-under-large-scale-ref.html">
+<style>
+@keyframes move {
+  0% {transform: translateX(-1px);}
+  100% {transform: translateX(0);}
+}
+</style>
+<div style="width: 2px; height: 2px; transform: scale(100); transform-origin: 0 0; overflow: hidden">
+  <div style="animation: move 1s infinite alternate">
+    <div style="width: 4px; height: 1px; background: blue"></div>
+    <div style="width: 4px; height: 1px; background: green"></div>
+  </div>
+</div>
diff --git a/tests/wpt/web-platform-tests/css/css-break/widows-orphans-006.html b/tests/wpt/web-platform-tests/css/css-break/widows-orphans-006.html
new file mode 100644
index 00000000000..39913266412
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-break/widows-orphans-006.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
+<link rel="help" href="https://www.w3.org/TR/css-break-3/#widows-orphans">
+<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1153517">
+<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
+<style>
+  #mc > div { display:inline-block; width:100%; height:20px; }
+  #mc > div.red { background:red; }
+</style>
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+<div id="mc" style="overflow:hidden; columns:1; column-fill:auto; width:100px; height:100px; orphans:1; widows:1; line-height:0; background:green;">
+  <div></div>
+  <div class="red"></div>
+  <div class="red"></div>
+  <div class="red"></div>
+  <div class="red"></div>
+  <div class="red"></div>
+</div>
+<script>
+  document.body.offsetTop,
+  mc.style.widows = 5;
+</script>
diff --git a/tests/wpt/web-platform-tests/css/css-break/widows-orphans-007.html b/tests/wpt/web-platform-tests/css/css-break/widows-orphans-007.html
new file mode 100644
index 00000000000..23809c8ffed
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-break/widows-orphans-007.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
+<link rel="help" href="https://www.w3.org/TR/css-break-3/#widows-orphans">
+<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1153517">
+<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
+<style>
+  #mc > div { display:inline-block; width:100%; height:20px; }
+  #mc > div.green { height:100px; background:green; }
+</style>
+<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 id="mc" style="columns:4; orphans:3; widows:1; column-gap:0; line-height:0;">
+    <div class="green"></div>
+    <div></div>
+    <div></div>
+    <div></div>
+    <div></div>
+    <div class="green"></div>
+    <div></div>
+    <div></div>
+    <div></div>
+    <div></div>
+    <div class="green"></div>
+    <div></div>
+    <div></div>
+    <div></div>
+    <div></div>
+    <div class="green"></div>
+  </div>
+</div>
+<script>
+  document.body.offsetTop;
+  mc.style.orphans = 5;
+</script>
diff --git a/tests/wpt/web-platform-tests/css/css-contain/contain-size-monolithic-002.html b/tests/wpt/web-platform-tests/css/css-contain/contain-size-monolithic-002.html
new file mode 100644
index 00000000000..7f407df30b7
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-contain/contain-size-monolithic-002.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<html>
+  <meta charset="UTF-8">
+  <title>CSS Containment Test: absolute positioned 'contain: size' element is monolithic</title>
+  <link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">
+  <link rel="author" title="Mozilla" href="https://www.mozilla.org/">
+  <link rel="help" href="https://drafts.csswg.org/css-contain-1/#containment-size">
+  <link rel="match" href="../reference/ref-filled-green-100px-square-only.html">
+  <meta  name="assert" content="This test checks that an absolute positioned element with size containment is monolithic.">
+
+  <style>
+  #multicol {
+    width: 300px;
+    column-count: 3;
+  }
+  #container {
+    position: relative;
+  }
+  #abs-size-contain {
+    position: absolute;
+    contain: size;
+    width: 100px;
+    height: 100px;
+    background: green;
+  }
+  </style>
+
+  <p>Test passes if there is a filled green square.</p>
+  <div id="multicol">
+    <div id="container">
+      <div id="abs-size-contain"></div>
+    </div>
+  </div>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-flexbox/contain-size-layout-abspos-flex-container-crash.html b/tests/wpt/web-platform-tests/css/css-flexbox/contain-size-layout-abspos-flex-container-crash.html
new file mode 100644
index 00000000000..3197d5b796b
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-flexbox/contain-size-layout-abspos-flex-container-crash.html
@@ -0,0 +1,37 @@
+<!DOCTYPE html>
+<html>
+  <meta charset="UTF-8">
+  <link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">
+  <link rel="author" title="Mozilla" href="https://www.mozilla.org/">
+  <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1678469">
+  <meta name="assert" content="This test ensures that the browser does not crash after removing the element 'c'.">
+
+  <style>
+  html { columns: 0 }
+  body {
+    transform: rotate(14deg);
+  }
+  #flex-container {
+    display: flex;
+    contain: size layout;
+    position: absolute;
+    width: 100px;
+    height: 100px;
+  }
+  </style>
+
+  <script>
+  function boom() {
+    let flex = document.getElementById('flex-container');
+    let c = document.getElementById('c');
+    flex.removeChild(c);
+  }
+  </script>
+
+  <body onload="boom()">
+    <div id="flex-container">
+      x
+      <div id="c"></div>
+    </div>
+  </body>
+</html>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/balance-break-avoidance-000.html b/tests/wpt/web-platform-tests/css/css-multicol/balance-break-avoidance-000.html
new file mode 100644
index 00000000000..f6540e4ab0c
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/balance-break-avoidance-000.html
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
+<link rel="help" href="https://www.w3.org/TR/css-multicol-1/#filling-columns">
+<link rel="help" href="https://www.w3.org/TR/css-break-3/#break-between">
+<link rel="help" href="https://www.w3.org/TR/css-break-3/#break-within">
+<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 style="columns:4; background:green;">
+    <div style="break-inside:avoid; height:100px;"></div>
+  </div>
+</div>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/balance-break-avoidance-001.html b/tests/wpt/web-platform-tests/css/css-multicol/balance-break-avoidance-001.html
new file mode 100644
index 00000000000..1449110516f
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/balance-break-avoidance-001.html
@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
+<link rel="help" href="https://www.w3.org/TR/css-multicol-1/#filling-columns">
+<link rel="help" href="https://www.w3.org/TR/css-break-3/#break-between">
+<link rel="help" href="https://www.w3.org/TR/css-break-3/#break-within">
+<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 style="columns:4; background:green;">
+    <div style="break-inside:avoid; break-after:avoid; height:50px;"></div>
+    <div style="break-inside:avoid; height:50px;"></div>
+  </div>
+</div>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/balance-orphans-widows-000.html b/tests/wpt/web-platform-tests/css/css-multicol/balance-orphans-widows-000.html
new file mode 100644
index 00000000000..97f2d0ccd17
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/balance-orphans-widows-000.html
@@ -0,0 +1,37 @@
+<!DOCTYPE html>
+<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
+<link rel="help" href="https://www.w3.org/TR/css-multicol-1/#filling-columns">
+<link rel="help" href="https://www.w3.org/TR/css-break-3/#widows-orphans">
+<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
+<style>
+  .multicol {
+      columns: 2;
+      orphans: 4;
+      widows: 4;
+      width: 100px;
+      column-gap: 80px;
+      column-rule: 80px solid green;
+      line-height: 0;
+      background: red;
+  }
+  span {
+      display: inline-block;
+      width: 100%;
+      height: 10px;
+      background: green;
+  }
+  span.tall {
+      height: 40px;
+  }
+</style>
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+<div class="multicol">
+  <span></span><br>
+  <span></span><br>
+  <span class="tall"></span><br>
+  <span class="tall"></span><br>
+  <span class="tall"></span><br>
+  <span class="tall"></span><br>
+  <span></span><br>
+  <span></span><br>
+</div>
diff --git a/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-balance-nested-000.html b/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-balance-nested-000.html
new file mode 100644
index 00000000000..5e466df8077
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-multicol/multicol-fill-balance-nested-000.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
+<link rel="help" href="https://www.w3.org/TR/css-multicol-1/#the-multi-column-model">
+<link rel="help" href="https://www.w3.org/TR/css-multicol-1/#filling-columns">
+<link rel="help" href="https://www.w3.org/TR/css-break-3/#break-within">
+<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
+<style>
+  #outer, #outer div { background: green; }
+  #inner * { break-inside: avoid; }
+</style>
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+<div id="outer" style="columns:2; column-gap:0; column-fill:auto; width:100px; height:100px;">
+  <div id="inner" style="columns:2; column-gap:0;">
+    <div style="height:50px;"></div>
+    <div style="height:100px;">
+      <div style="margin-left:100%; width:100%; height:50px; background:red;"></div>
+    </div>
+    <div style="height:50px;"></div>
+  </div>
+</div>
diff --git a/tests/wpt/web-platform-tests/css/css-scroll-snap/snap-at-user-scroll-end-manual.html b/tests/wpt/web-platform-tests/css/css-scroll-snap/snap-at-user-scroll-end-manual.html
index e87b8e9b3fa..373e3fcb1e1 100644
--- a/tests/wpt/web-platform-tests/css/css-scroll-snap/snap-at-user-scroll-end-manual.html
+++ b/tests/wpt/web-platform-tests/css/css-scroll-snap/snap-at-user-scroll-end-manual.html
@@ -4,7 +4,7 @@
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
 <style>
-body {
+html {
   margin: 0px;
   scroll-snap-type: both mandatory;
 }
diff --git a/tests/wpt/web-platform-tests/css/filter-effects/svg-empty-container-with-filter-content-added.html b/tests/wpt/web-platform-tests/css/filter-effects/svg-empty-container-with-filter-content-added.html
new file mode 100644
index 00000000000..6436461f78b
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/filter-effects/svg-empty-container-with-filter-content-added.html
@@ -0,0 +1,25 @@
+<!doctype html>
+<html class="reftest-wait">
+<title>Adding content to a previously empty filtered container</title>
+<link rel="help" href="https://drafts.fxtf.org/filter-effects/#FilterProperty">
+<link rel="match" href="reference/green-100x100.html">
+<link rel="bookmark" href="https://crbug.com/1154050">
+<script src="/common/rendering-utils.js"></script>
+<script src="/common/reftest-wait.js"></script>
+<svg>
+  <filter id="f" color-interpolation-filters="sRGB">
+    <feComponentTransfer><feFuncA/></feComponentTransfer>
+  </filter>
+  <rect width="100" height="100" fill="red"/>
+  <g id="target" filter="url(#f)"/>
+</svg>
+<script>
+waitForAtLeastOneFrame().then(() => {
+  const rect = document.createElementNS('http://www.w3.org/2000/svg', 'rect');
+  rect.setAttribute('fill', 'green');
+  rect.setAttribute('width', '100');
+  rect.setAttribute('height', '100');
+  document.getElementById('target').appendChild(rect);
+  takeScreenshot();
+});
+</script>
diff --git a/tests/wpt/web-platform-tests/html/dom/idlharness.https.html b/tests/wpt/web-platform-tests/html/dom/idlharness.https.html
index a906b19ac88..79f949f436a 100644
--- a/tests/wpt/web-platform-tests/html/dom/idlharness.https.html
+++ b/tests/wpt/web-platform-tests/html/dom/idlharness.https.html
@@ -195,7 +195,6 @@ idl_test(
       HashChangeEvent: [],
       PageTransitionEvent: [],
       BeforeUnloadEvent: [],
-      ApplicationCache: ['window.applicationCache'],
       WindowModal: [],
       DOMParser: ['new DOMParser()'],
       Navigator: ['window.navigator'],
diff --git a/tests/wpt/web-platform-tests/interfaces/html.idl b/tests/wpt/web-platform-tests/interfaces/html.idl
index bf8da3733ec..7a900255780 100644
--- a/tests/wpt/web-platform-tests/interfaces/html.idl
+++ b/tests/wpt/web-platform-tests/interfaces/html.idl
@@ -1701,7 +1701,6 @@ interface Window : EventTarget {
 
   // the user agent
   readonly attribute Navigator navigator;
-  [SecureContext] readonly attribute ApplicationCache applicationCache;
   readonly attribute boolean originIsolated;
 
   // user prompts
@@ -1801,39 +1800,6 @@ interface BeforeUnloadEvent : Event {
   attribute DOMString returnValue;
 };
 
-[SecureContext,
- Exposed=Window]
-interface ApplicationCache : EventTarget {
-
-  // update status
-  const unsigned short UNCACHED = 0;
-  const unsigned short IDLE = 1;
-  const unsigned short CHECKING = 2;
-  const unsigned short DOWNLOADING = 3;
-  const unsigned short UPDATEREADY = 4;
-  const unsigned short OBSOLETE = 5;
-  readonly attribute unsigned short status;
-
-  // updates
-  undefined update();
-  undefined abort();
-  undefined swapCache();
-
-  // events
-  attribute EventHandler onchecking;
-  attribute EventHandler onerror;
-  attribute EventHandler onnoupdate;
-  attribute EventHandler ondownloading;
-  attribute EventHandler onprogress;
-  attribute EventHandler onupdateready;
-  attribute EventHandler oncached;
-  attribute EventHandler onobsolete;
-};
-
-interface mixin NavigatorOnLine {
-  readonly attribute boolean onLine;
-};
-
 [Exposed=(Window,Worker)]
 interface ErrorEvent : Event {
   constructor(DOMString type, optional ErrorEventInit eventInitDict = {});
@@ -2048,6 +2014,10 @@ interface mixin NavigatorLanguage {
   readonly attribute FrozenArray<DOMString> languages;
 };
 
+interface mixin NavigatorOnLine {
+  readonly attribute boolean onLine;
+};
+
 interface mixin NavigatorContentUtils {
   [SecureContext] undefined registerProtocolHandler(DOMString scheme, USVString url);
   [SecureContext] undefined unregisterProtocolHandler(DOMString scheme, USVString url);
diff --git a/tests/wpt/web-platform-tests/interfaces/media-source.idl b/tests/wpt/web-platform-tests/interfaces/media-source.idl
index 51eccd906e7..f32df3aaedc 100644
--- a/tests/wpt/web-platform-tests/interfaces/media-source.idl
+++ b/tests/wpt/web-platform-tests/interfaces/media-source.idl
@@ -25,10 +25,10 @@ interface MediaSource : EventTarget {
                     attribute EventHandler        onsourceended;
                     attribute EventHandler        onsourceclose;
     SourceBuffer   addSourceBuffer (DOMString type);
-    void           removeSourceBuffer (SourceBuffer sourceBuffer);
-    void           endOfStream (optional EndOfStreamError error);
-    void           setLiveSeekableRange (double start, double end);
-    void           clearLiveSeekableRange ();
+    undefined           removeSourceBuffer (SourceBuffer sourceBuffer);
+    undefined           endOfStream (optional EndOfStreamError error);
+    undefined           setLiveSeekableRange (double start, double end);
+    undefined           clearLiveSeekableRange ();
     static boolean isTypeSupported (DOMString type);
 };
 
@@ -53,9 +53,9 @@ interface SourceBuffer : EventTarget {
                     attribute EventHandler        onupdateend;
                     attribute EventHandler        onerror;
                     attribute EventHandler        onabort;
-    void appendBuffer (BufferSource data);
-    void abort ();
-    void remove (double start, unrestricted double end);
+    undefined appendBuffer (BufferSource data);
+    undefined abort ();
+    undefined remove (double start, unrestricted double end);
 };
 
 [Exposed=Window]
diff --git a/tests/wpt/web-platform-tests/interfaces/mediastream-recording.idl b/tests/wpt/web-platform-tests/interfaces/mediastream-recording.idl
index c5347959383..2878af4b66c 100644
--- a/tests/wpt/web-platform-tests/interfaces/mediastream-recording.idl
+++ b/tests/wpt/web-platform-tests/interfaces/mediastream-recording.idl
@@ -3,9 +3,9 @@
 // (https://github.com/w3c/webref)
 // Source: MediaStream Recording (https://w3c.github.io/mediacapture-record/)
 
-[Exposed=Window,
- Constructor(MediaStream stream, optional MediaRecorderOptions options = {})]
+[Exposed=Window]
 interface MediaRecorder : EventTarget {
+  constructor(MediaStream stream, optional MediaRecorderOptions options = {});
   readonly attribute MediaStream stream;
   readonly attribute DOMString mimeType;
   readonly attribute RecordingState state;
@@ -19,11 +19,11 @@ interface MediaRecorder : EventTarget {
   readonly attribute unsigned long audioBitsPerSecond;
   readonly attribute BitrateMode audioBitrateMode;
 
-  void start(optional unsigned long timeslice);
-  void stop();
-  void pause();
-  void resume();
-  void requestData();
+  undefined start(optional unsigned long timeslice);
+  undefined stop();
+  undefined pause();
+  undefined resume();
+  undefined requestData();
 
   static boolean isTypeSupported(DOMString type);
 };
@@ -47,8 +47,9 @@ enum RecordingState {
   "paused"
 };
 
-[Exposed=Window, Constructor(DOMString type, BlobEventInit eventInitDict)]
+[Exposed=Window]
 interface BlobEvent : Event {
+  constructor(DOMString type, BlobEventInit eventInitDict);
   [SameObject] readonly attribute Blob data;
   readonly attribute DOMHighResTimeStamp timecode;
 };
@@ -62,7 +63,8 @@ dictionary MediaRecorderErrorEventInit : EventInit {
   required DOMException error;
 };
 
-[Exposed=Window, Constructor(DOMString type, MediaRecorderErrorEventInit eventInitDict)]
+[Exposed=Window]
 interface MediaRecorderErrorEvent : Event {
+  constructor(DOMString type, MediaRecorderErrorEventInit eventInitDict);
   [SameObject] readonly attribute DOMException error;
 };
diff --git a/tests/wpt/web-platform-tests/interfaces/performance-measure-memory.idl b/tests/wpt/web-platform-tests/interfaces/performance-measure-memory.idl
new file mode 100644
index 00000000000..b1014f679bb
--- /dev/null
+++ b/tests/wpt/web-platform-tests/interfaces/performance-measure-memory.idl
@@ -0,0 +1,30 @@
+// GENERATED CONTENT - DO NOT EDIT
+// Content was automatically extracted by Reffy into webref
+// (https://github.com/w3c/webref)
+// Source: Measure Memory API (https://wicg.github.io/performance-measure-memory/)
+
+dictionary MemoryMeasurement {
+  unsigned long long bytes;
+  sequence<MemoryBreakdownEntry> breakdown;
+};
+
+dictionary MemoryBreakdownEntry {
+  unsigned long long bytes;
+  sequence<MemoryAttribution> attribution;
+  sequence<DOMString> userAgentSpecificTypes;
+};
+
+dictionary MemoryAttribution {
+  USVString url;
+  MemoryAttributionContainer container;
+  DOMString scope;
+};
+
+dictionary MemoryAttributionContainer {
+  DOMString id;
+  USVString src;
+};
+
+partial interface Performance {
+  [CrossOriginIsolated] Promise<MemoryMeasurement> measureMemory();
+};
diff --git a/tests/wpt/web-platform-tests/interfaces/serial.idl b/tests/wpt/web-platform-tests/interfaces/serial.idl
index b376bac1ed7..7bca7477573 100644
--- a/tests/wpt/web-platform-tests/interfaces/serial.idl
+++ b/tests/wpt/web-platform-tests/interfaces/serial.idl
@@ -23,7 +23,7 @@ interface Serial : EventTarget {
 
 [Exposed=(DedicatedWorker,Window), SecureContext]
 interface SerialPort {
-  Promise<void> open(optional SerialOptions options = {});
+  Promise<undefined> open(optional SerialOptions options = {});
   readonly attribute ReadableStream in;
   readonly attribute WritableStream out;
   SerialPortInfo getInfo();
diff --git a/tests/wpt/web-platform-tests/interfaces/webaudio.idl b/tests/wpt/web-platform-tests/interfaces/webaudio.idl
index d869a978e34..c8ad2a851fc 100644
--- a/tests/wpt/web-platform-tests/interfaces/webaudio.idl
+++ b/tests/wpt/web-platform-tests/interfaces/webaudio.idl
@@ -613,6 +613,11 @@ interface AudioWorkletProcessor {
   readonly attribute MessagePort port;
 };
 
+callback AudioWorkletProcessCallback =
+  boolean (FrozenArray<FrozenArray<Float32Array>> inputs,
+           FrozenArray<FrozenArray<Float32Array>> outputs,
+           object parameters);
+
 dictionary AudioParamDescriptor {
   required DOMString name;
   float defaultValue = 0;
diff --git a/tests/wpt/web-platform-tests/interfaces/webrtc.idl b/tests/wpt/web-platform-tests/interfaces/webrtc.idl
index db644f03183..e58df13b02c 100644
--- a/tests/wpt/web-platform-tests/interfaces/webrtc.idl
+++ b/tests/wpt/web-platform-tests/interfaces/webrtc.idl
@@ -119,7 +119,7 @@ interface RTCPeerConnection : EventTarget  {
   Promise<undefined> createOffer(RTCSessionDescriptionCallback successCallback,
                             RTCPeerConnectionErrorCallback failureCallback,
                             optional RTCOfferOptions options = {});
-  Promise<undefined> setLocalDescription(optional RTCLocalSessionDescriptionInit description = {},
+  Promise<undefined> setLocalDescription(RTCLocalSessionDescriptionInit description,
                                     VoidFunction successCallback,
                                     RTCPeerConnectionErrorCallback failureCallback);
   Promise<undefined> createAnswer(RTCSessionDescriptionCallback successCallback,
diff --git a/tests/wpt/web-platform-tests/measure-memory/idlharness.tentative.any.js b/tests/wpt/web-platform-tests/measure-memory/idlharness.tentative.any.js
new file mode 100644
index 00000000000..3e7589aeb95
--- /dev/null
+++ b/tests/wpt/web-platform-tests/measure-memory/idlharness.tentative.any.js
@@ -0,0 +1,15 @@
+// META: global=window,worker
+// META: script=/resources/WebIDLParser.js
+// META: script=/resources/idlharness.js
+
+'use strict';
+
+// https://wicg.github.io/performance-measure-memory/
+
+idl_test(
+  ['performance-measure-memory'],
+  ['hr-time', 'dom'],
+  async idl_array => {
+    // Nothing to add.
+  }
+);
diff --git a/tests/wpt/web-platform-tests/resources/chromium/nfc-mock.js b/tests/wpt/web-platform-tests/resources/chromium/nfc-mock.js
index aa94257e2a3..2665f3db6b3 100644
--- a/tests/wpt/web-platform-tests/resources/chromium/nfc-mock.js
+++ b/tests/wpt/web-platform-tests/resources/chromium/nfc-mock.js
@@ -214,23 +214,11 @@ var WebNFCTest = (() => {
       return createNDEFError(null);
     }
 
-    async cancelWatch(id) {
+    cancelWatch(id) {
       let index = this.watchers_.findIndex(value => value.id === id);
-      if (index === -1) {
-        return createNDEFError(device.mojom.NDEFErrorType.NOT_FOUND);
+      if (index !== -1) {
+        this.watchers_.splice(index, 1);
       }
-
-      this.watchers_.splice(index, 1);
-      return createNDEFError(null);
-    }
-
-    async cancelAllWatches() {
-      if (this.watchers_.length === 0) {
-        return createNDEFError(device.mojom.NDEFErrorType.NOT_FOUND);
-      }
-
-      this.watchers_.splice(0, this.watchers_.length);
-      return createNDEFError(null);
     }
 
     getHWError() {
diff --git a/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/formatters/chromium.py b/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/formatters/chromium.py
index 3c52f76965b..2ff2bd1e083 100644
--- a/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/formatters/chromium.py
+++ b/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/formatters/chromium.py
@@ -31,48 +31,55 @@ class ChromiumFormatter(base.BaseFormatter):
         # the trie and the leaf contains the dict of per-test data.
         self.tests = {}
 
-        # Message dictionary, keyed by test name. Value is a list of strings:
-        # see _append_test_message for the format.
+        # Two dictionaries keyed by test name. Values are lists of strings:
+        # actual metadata content and other messages, respectively.
+        # See _append_test_message for examples.
+        self.actual_metadata = defaultdict(list)
         self.messages = defaultdict(list)
 
         # List of tests that have failing subtests.
         self.tests_with_subtest_fails = set()
 
         # Browser log for the current test under execution.
-        self.test_log = []
+        # These logs are from ChromeDriver's stdout/err, so we cannot say for
+        # sure which test a message is from, but instead we correlate them based
+        # on timing.
+        self.browser_log = []
 
     def _append_test_message(self, test, subtest, wpt_actual_status, message):
-        """
+        r"""
         Appends the message data for a test or subtest.
+
         :param str test: the name of the test
         :param str subtest: the name of the subtest with the message. Will be
                             None if this is called for a test.
         :param str wpt_actual_status: the test status as reported by WPT
         :param str message: the string to append to the message for this test
 
-        Example:
-          [test_or_subtest_name]
-            expected: FAIL
-            message: some test message eg assert failure
+        Example actual_metadata of a test with a subtest:
+            "[test_name]\n  expected: OK\n"
+            "  [subtest_name]\n    expected: FAIL\n"
+
+        NOTE: throughout this function we output a key called "expected" but
+        fill it in with the actual status. This is by design. The goal of this
+        output is to look exactly like WPT's expectation metadata so that it
+        can be easily diff-ed.
+
+        Messages are appended verbatim to self.messages[test].
         """
-        # NOTE: throughout this function we output a key called "expected" but
-        # fill it in with the actual status. This is by design. The goal of this
-        # output is to look exactly like WPT's expectation metadata so that it
-        # can be easily diff-ed.
         if subtest:
             result = "  [%s]\n    expected: %s\n" % (subtest, wpt_actual_status)
+            self.actual_metadata[test].append(result)
             if message:
-                result += "    message: %s\n" % message
-            self.messages[test].append(result)
+                self.messages[test].append("%s: %s\n" % (subtest, message))
         else:
             # No subtest, so this is the top-level test. The result must be
-            # prepended to the list of messages, so that the message for the
-            # test comes before any subtest messages.
+            # prepended to the list, so that it comes before any subtest.
             test_name_last_part = test.split("/")[-1]
             result = "[%s]\n  expected: %s\n" % (test_name_last_part, wpt_actual_status)
+            self.actual_metadata[test].insert(0, result)
             if message:
-                result += "  message: %s\n" % message
-            self.messages[test].insert(0, result)
+                self.messages[test].insert(0, "Harness: %s\n" % message)
 
     def _append_artifact(self, cur_dict, artifact_name, artifact_value):
         """
@@ -86,13 +93,16 @@ class ChromiumFormatter(base.BaseFormatter):
             cur_dict["artifacts"] = defaultdict(list)
         cur_dict["artifacts"][artifact_name].append(artifact_value)
 
-    def _store_test_result(self, name, actual, expected, messages, wpt_actual,
-                           subtest_failure, reftest_screenshots):
+    def _store_test_result(self, name, actual, expected, actual_metadata,
+                           messages, wpt_actual, subtest_failure,
+                           reftest_screenshots=None):
         """
         Stores the result of a single test in |self.tests|
+
         :param str name: name of the test.
         :param str actual: actual status of the test.
         :param str expected: expected statuses of the test.
+        :param list actual_metadata: a list of metadata items.
         :param list messages: a list of test messages.
         :param str wpt_actual: actual status reported by wpt, may differ from |actual|.
         :param bool subtest_failure: whether this test failed because of subtests.
@@ -112,10 +122,12 @@ class ChromiumFormatter(base.BaseFormatter):
         if wpt_actual != actual:
             self._append_artifact(cur_dict, "wpt_actual_status", wpt_actual)
         if wpt_actual == 'CRASH':
-            for line in self.test_log:
+            for line in self.browser_log:
                 self._append_artifact(cur_dict, "wpt_crash_log", line)
+        for metadata in actual_metadata:
+            self._append_artifact(cur_dict, "wpt_actual_metadata", metadata)
         for message in messages:
-            self._append_artifact(cur_dict, "log", message)
+            self._append_artifact(cur_dict, "wpt_log", message)
 
         # Store screenshots (if any).
         for item in reftest_screenshots or []:
@@ -230,19 +242,21 @@ class ChromiumFormatter(base.BaseFormatter):
         self._store_test_result(test_name,
                                 actual_status,
                                 expected_statuses,
+                                self.actual_metadata[test_name],
                                 self.messages[test_name],
                                 wpt_actual_status,
                                 subtest_failure,
                                 data.get("extra", {}).get("reftest_screenshots"))
 
-        # Remove the test from messages dict to avoid accumulating too many.
+        # Remove the test from dicts to avoid accumulating too many.
+        self.actual_metadata.pop(test_name)
         self.messages.pop(test_name)
 
         # Update the count of how many tests ran with each status.
         self.num_failures_by_status[actual_status] += 1
 
         # New test, new browser logs.
-        self.test_log = []
+        self.browser_log = []
 
     def suite_end(self, data):
         # Create the final result dictionary
@@ -259,4 +273,4 @@ class ChromiumFormatter(base.BaseFormatter):
 
     def process_output(self, data):
         if 'command' in data and 'chromedriver' in data['command']:
-            self.test_log.append(data['data'])
+            self.browser_log.append(data['data'])
diff --git a/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/formatters/tests/test_chromium.py b/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/formatters/tests/test_chromium.py
index 807f5837f79..55a12b1d774 100644
--- a/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/formatters/tests/test_chromium.py
+++ b/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/formatters/tests/test_chromium.py
@@ -157,17 +157,24 @@ def test_subtest_messages(capfd):
     output_json = json.load(output)
 
     t1_artifacts = output_json["tests"]["t1"]["artifacts"]
-    assert t1_artifacts["log"] == [
+    assert t1_artifacts["wpt_actual_metadata"] == [
         "[t1]\n  expected: PASS\n",
-        "  [t1_a]\n    expected: FAIL\n    message: t1_a_message\n",
-        "  [t1_b]\n    expected: PASS\n    message: t1_b_message\n",
+        "  [t1_a]\n    expected: FAIL\n",
+        "  [t1_b]\n    expected: PASS\n",
+    ]
+    assert t1_artifacts["wpt_log"] == [
+        "t1_a: t1_a_message\n",
+        "t1_b: t1_b_message\n",
     ]
     assert t1_artifacts["wpt_subtest_failure"] == ["true"]
     t2_artifacts = output_json["tests"]["t2"]["artifacts"]
-    assert t2_artifacts["log"] == [
-        "[t2]\n  expected: TIMEOUT\n  message: t2_message\n",
+    assert t2_artifacts["wpt_actual_metadata"] == [
+        "[t2]\n  expected: TIMEOUT\n",
         "  [t2_a]\n    expected: PASS\n",
     ]
+    assert t2_artifacts["wpt_log"] == [
+        "Harness: t2_message\n"
+    ]
     assert "wpt_subtest_failure" not in t2_artifacts.keys()
 
 
@@ -210,11 +217,17 @@ def test_subtest_failure(capfd):
 
     test_obj = output_json["tests"]["t1"]
     t1_artifacts = test_obj["artifacts"]
-    assert t1_artifacts["log"] == [
-        "[t1]\n  expected: PASS\n  message: top_message\n",
-        "  [t1_a]\n    expected: FAIL\n    message: t1_a_message\n",
-        "  [t1_b]\n    expected: PASS\n    message: t1_b_message\n",
-        "  [t1_c]\n    expected: TIMEOUT\n    message: t1_c_message\n",
+    assert t1_artifacts["wpt_actual_metadata"] == [
+        "[t1]\n  expected: PASS\n",
+        "  [t1_a]\n    expected: FAIL\n",
+        "  [t1_b]\n    expected: PASS\n",
+        "  [t1_c]\n    expected: TIMEOUT\n",
+    ]
+    assert t1_artifacts["wpt_log"] == [
+        "Harness: top_message\n",
+        "t1_a: t1_a_message\n",
+        "t1_b: t1_b_message\n",
+        "t1_c: t1_c_message\n",
     ]
     assert t1_artifacts["wpt_subtest_failure"] == ["true"]
     # The status of the test in the output is a failure because subtests failed,
@@ -266,13 +279,16 @@ def test_expected_subtest_failure(capfd):
     output_json = json.load(output)
 
     test_obj = output_json["tests"]["t1"]
-    t1_log = test_obj["artifacts"]["log"]
-    print("Lpz t1log=%s" % t1_log)
-    assert t1_log == [
+    assert test_obj["artifacts"]["wpt_actual_metadata"] == [
         "[t1]\n  expected: OK\n",
-        "  [t1_a]\n    expected: FAIL\n    message: t1_a_message\n",
-        "  [t1_b]\n    expected: PASS\n    message: t1_b_message\n",
-        "  [t1_c]\n    expected: TIMEOUT\n    message: t1_c_message\n",
+        "  [t1_a]\n    expected: FAIL\n",
+        "  [t1_b]\n    expected: PASS\n",
+        "  [t1_c]\n    expected: TIMEOUT\n",
+    ]
+    assert test_obj["artifacts"]["wpt_log"] == [
+        "t1_a: t1_a_message\n",
+        "t1_b: t1_b_message\n",
+        "t1_c: t1_c_message\n",
     ]
     # The status of the test in the output is a pass because the subtest
     # failures were all expected.
@@ -316,9 +332,12 @@ def test_unexpected_subtest_pass(capfd):
 
     test_obj = output_json["tests"]["t1"]
     t1_artifacts = test_obj["artifacts"]
-    assert t1_artifacts["log"] == [
+    assert t1_artifacts["wpt_actual_metadata"] == [
         "[t1]\n  expected: PASS\n",
-        "  [t1_a]\n    expected: PASS\n    message: t1_a_message\n",
+        "  [t1_a]\n    expected: PASS\n",
+    ]
+    assert t1_artifacts["wpt_log"] == [
+        "t1_a: t1_a_message\n",
     ]
     assert t1_artifacts["wpt_subtest_failure"] == ["true"]
     # Since the subtest status is unexpected, we fail the test. But we report
diff --git a/tests/wpt/web-platform-tests/web-nfc/NDEFReader_scan.https.html b/tests/wpt/web-platform-tests/web-nfc/NDEFReader_scan.https.html
index 0a8d8cb25a5..ba101d67e5d 100644
--- a/tests/wpt/web-platform-tests/web-nfc/NDEFReader_scan.https.html
+++ b/tests/wpt/web-platform-tests/web-nfc/NDEFReader_scan.https.html
@@ -72,7 +72,7 @@ nfc_test(async () => {
                             await ndef.scan();
                             parent.postMessage("Failure", "*");
                           } catch (error) {
-                            if (error.name == "NotAllowedError") {
+                            if (error.name == "InvalidStateError") {
                               parent.postMessage("Success", "*");
                             } else {
                               parent.postMessage("Failure", "*");
@@ -107,20 +107,6 @@ nfc_test(async (t, mockNFC) => {
   await promise;
 }, "Test that nfc watch success if NFC HW is enabled.");
 
-nfc_test(async (t, mockNFC) => {
-  const ndef = new NDEFReader();
-  const controller = new AbortController();
-  const ndefWatcher = new EventWatcher(t, ndef, ["reading", "readingerror"]);
-  const promise = ndefWatcher.wait_for("reading").then(event => {
-    assert_true(event instanceof NDEFReadingEvent);
-    controller.abort();
-  });
-  await ndef.scan({signal : controller.signal});
-
-  mockNFC.setReadingMessage(createMessage([createTextRecord(test_text_data)]));
-  await promise;
-}, "Test that NDEFReader.scan matches any ids if NDEFScanOptions.id is undefined.");
-
 nfc_test(async (t, mockNFC) => {
   const ndef = new NDEFReader();
   const controller = new AbortController();
diff --git a/tests/wpt/web-platform-tests/web-nfc/NDEFReader_write.https.html b/tests/wpt/web-platform-tests/web-nfc/NDEFReader_write.https.html
index d1541b1b525..35e6dd37299 100644
--- a/tests/wpt/web-platform-tests/web-nfc/NDEFReader_write.https.html
+++ b/tests/wpt/web-platform-tests/web-nfc/NDEFReader_write.https.html
@@ -236,7 +236,7 @@ nfc_test(async () => {
                             await ndef.write("Test");
                             parent.postMessage("Failure", "*");
                           } catch (error) {
-                            if (error.name == "NotAllowedError") {
+                            if (error.name == "InvalidStateError") {
                               parent.postMessage("Success", "*");
                             } else {
                               parent.postMessage("Failure", "*");
diff --git a/tests/wpt/web-platform-tests/webrtc-extensions/RTCOAuthCredential.html b/tests/wpt/web-platform-tests/webrtc-extensions/RTCOAuthCredential.html
new file mode 100644
index 00000000000..63e92c6d087
--- /dev/null
+++ b/tests/wpt/web-platform-tests/webrtc-extensions/RTCOAuthCredential.html
@@ -0,0 +1,44 @@
+<!doctype html>
+<meta charset=utf-8>
+<title>RTCConfiguration iceServers with OAuth credentials</title>
+<script src='/resources/testharness.js'></script>
+<script src='/resources/testharnessreport.js'></script>
+<script src='../webrtc/RTCConfiguration-helper.js'></script>
+<script>
+  'use strict';
+
+// These tests are based on
+// https://w3c.github.io/webrtc-extensions/#rtcoauthcredential-dictionary
+
+/*
+    4.3.2.  To set a configuration
+    11.6. If scheme name is turn or turns, and server.credentialType is "oauth",
+    and server.credential is not an RTCOAuthCredential, then throw an
+    InvalidAccessError and abort these steps.
+*/
+config_test(makePc => {
+  assert_throws_dom('InvalidAccessError', () =>
+    makePc({ iceServers: [{
+      urls: 'turns:turn.example.org',
+      credentialType: 'oauth',
+      username: 'user',
+      credential: 'cred'
+    }] }));
+}, 'with turns server, credentialType oauth, and string credential should throw InvalidAccessError');
+
+config_test(makePc => {
+  const pc = makePc({ iceServers: [{
+    urls: 'turns:turn2.example.net',
+    username: '22BIjxU93h/IgwEb',
+    credential: {
+      macKey: 'WmtzanB3ZW9peFhtdm42NzUzNG0=',
+      accessToken: 'AAwg3kPHWPfvk9bDFL936wYvkoctMADzQ5VhNDgeMR3+ZlZ35byg972fW8QjpEl7bx91YLBPFsIhsxloWcXPhA=='
+    },
+    credentialType: 'oauth'
+  }]});
+  const { iceServers } = pc.getConfiguration();
+  const server = iceServers[0];
+  assert_equals(server.credentialType, 'oauth');
+}, 'with turns server, credential type and credential from spec should not throw');
+
+</script>
diff --git a/tests/wpt/web-platform-tests/webrtc/RTCConfiguration-iceServers.html b/tests/wpt/web-platform-tests/webrtc/RTCConfiguration-iceServers.html
index 1cbf1d6c1da..36f1277678a 100644
--- a/tests/wpt/web-platform-tests/webrtc/RTCConfiguration-iceServers.html
+++ b/tests/wpt/web-platform-tests/webrtc/RTCConfiguration-iceServers.html
@@ -370,36 +370,4 @@
       }] }));
   }, 'with turns server, credentialType password, and object credential should throw InvalidAccessError');
 
-  /*
-    4.3.2.  To set a configuration
-      11.6. If scheme name is turn or turns, and server.credentialType is "oauth",
-            and server.credential is not an RTCOAuthCredential, then throw an
-            InvalidAccessError and abort these steps.
-   */
-  config_test(makePc => {
-    assert_throws_dom('InvalidAccessError', () =>
-      makePc({ iceServers: [{
-        urls: 'turns:turn.example.org',
-        credentialType: 'oauth',
-        username: 'user',
-        credential: 'cred'
-      }] }));
-  }, 'with turns server, credentialType oauth, and string credential should throw InvalidAccessError');
-
-  /*
-    Tested
-      4.3.2.  To set a configuration
-        11.1-6.
-
-    Untestable
-      4.3.2.  To set a configuration
-        11.7.  Append server to validatedServers.
-
-    Coverage Report
-      Tested         9
-      Not Tested     0
-      Untestable     1
-      Total         10
-   */
-
 </script>