Auto merge of #24431 - servo-wpt-sync:wpt_update_12-10-2019, r=servo-wpt-sync

Sync WPT with upstream (12-10-2019)

Automated downstream sync of changes from upstream as of 12-10-2019.
[no-wpt-sync]
r? @servo-wpt-sync

68 files changed, 663 insertions, 356 deletions

diff --git a/tests/wpt/metadata/FileAPI/url/url-in-tags-revoke.window.js.ini b/tests/wpt/metadata/FileAPI/url/url-in-tags-revoke.window.js.ini
index 76b398963ae..a9e46713244 100644
--- a/tests/wpt/metadata/FileAPI/url/url-in-tags-revoke.window.js.ini
+++ b/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: FAIL
+    expected: TIMEOUT
 
   [Opening a blob URL in a noopener about:blank window immediately before revoking it works.]
     expected: FAIL
diff --git a/tests/wpt/metadata/MANIFEST.json b/tests/wpt/metadata/MANIFEST.json
index a5e4455923f..3bdba14ef10 100644
--- a/tests/wpt/metadata/MANIFEST.json
+++ b/tests/wpt/metadata/MANIFEST.json
@@ -275316,6 +275316,9 @@
    "mediasession/README.md": [
     []
    ],
+   "mediasession/helper/artwork-generator.html": [
+    []
+   ],
    "mimesniff/META.yml": [
     []
    ],
@@ -319327,6 +319330,18 @@
      {}
     ]
    ],
+   "css/css-grid/layout-algorithm/grid-flex-track-intrinsic-sizes-001.html": [
+    [
+     "css/css-grid/layout-algorithm/grid-flex-track-intrinsic-sizes-001.html",
+     {}
+    ]
+   ],
+   "css/css-grid/layout-algorithm/grid-flex-track-intrinsic-sizes-002.html": [
+    [
+     "css/css-grid/layout-algorithm/grid-flex-track-intrinsic-sizes-002.html",
+     {}
+    ]
+   ],
    "css/css-grid/layout-algorithm/grid-intrinsic-size-with-orthogonal-items.html": [
     [
      "css/css-grid/layout-algorithm/grid-intrinsic-size-with-orthogonal-items.html",
@@ -454617,7 +454632,7 @@
    "support"
   ],
   ".github/workflows/documentation.yml": [
-   "8b892ba88ea010e01ae688aa1770a19fb0707ea8",
+   "400722f792190a6ec8d8d0b24977d70bfec79aa9",
    "support"
   ],
   ".github/workflows/manifest.yml": [
@@ -573916,6 +573931,14 @@
    "ab55502487328d11ac153440fec4963e6e70709c",
    "testharness"
   ],
+  "css/css-grid/layout-algorithm/grid-flex-track-intrinsic-sizes-001.html": [
+   "a478f9ace23f0488a60e2ea1e4f2da8ff81221cd",
+   "testharness"
+  ],
+  "css/css-grid/layout-algorithm/grid-flex-track-intrinsic-sizes-002.html": [
+   "ef5f1ae10932935e990bd83bc8b33e9e88d49fa3",
+   "testharness"
+  ],
   "css/css-grid/layout-algorithm/grid-intrinsic-size-with-orthogonal-items.html": [
    "1097956647846dd2493ab5d1c3458660c67868de",
    "testharness"
@@ -596669,7 +596692,7 @@
    "testharness"
   ],
   "css/css-transforms/parsing/transform-valid.html": [
-   "7879bd686a6f32b76947c1ffee6f8aff4c2c4db2",
+   "8237a9a4a6882dd0ec3495464c8fbfb7f52e65d3",
    "testharness"
   ],
   "css/css-transforms/parsing/translate-parsing-invalid.html": [
@@ -609073,7 +609096,7 @@
    "reftest"
   ],
   "css/css-writing-modes/normal-flow-overconstrained-vlr-005.xht": [
-   "2754e2454765ef9aebbf697807ece3729f2c0226",
+   "a443db4e83000c70c65a8dc46a8deb9216c1bf28",
    "reftest"
   ],
   "css/css-writing-modes/normal-flow-overconstrained-vrl-002.xht": [
@@ -609081,7 +609104,7 @@
    "reftest"
   ],
   "css/css-writing-modes/normal-flow-overconstrained-vrl-004.xht": [
-   "472405d1efa86950dfc0f0134802dabe76f1c5de",
+   "d084c2c6a94bd934f96d6cc13f26ded361eb5628",
    "reftest"
   ],
   "css/css-writing-modes/ortho-htb-alongside-vrl-floats-002-ref.xht": [
@@ -658501,7 +658524,7 @@
    "support"
   ],
   "interfaces/cookie-store.idl": [
-   "c3204b2515a2000ca9be0cf6b4f6732e0ddc63a1",
+   "3e1a90ab63f5fc4afa36db8dda9fa1174236e26b",
    "support"
   ],
   "interfaces/cors-rfc1918.idl": [
@@ -658581,7 +658604,7 @@
    "support"
   ],
   "interfaces/cssom-view.idl": [
-   "5d30ede1e40debc56ab71ba58a7ddec0ba5b40cf",
+   "34036484195e28b3068c9ef09f44acd0bed6bda9",
    "support"
   ],
   "interfaces/cssom.idl": [
@@ -662172,12 +662195,16 @@
    "7c7c9f8d57a46ae310b1a63df7c6117f89b56d63",
    "support"
   ],
+  "mediasession/helper/artwork-generator.html": [
+   "5a2fbb151d9b4eec6f6dc16fc12d8708e01e25d9",
+   "support"
+  ],
   "mediasession/idlharness.window.js": [
    "e4d914544ed5df95b20287f8bd5482fdd7fe1045",
    "testharness"
   ],
   "mediasession/mediametadata.html": [
-   "e545e732ddabb27bdc14aef7a28e025b4cc15ca7",
+   "11f6a5f9767248b9dbec50a36d39dabb392e48aa",
    "testharness"
   ],
   "mediasession/playbackstate.html": [
@@ -687957,7 +687984,7 @@
    "support"
   ],
   "scroll-to-text-fragment/scroll-to-text-fragment.html": [
-   "85f07f38229404e45f0afbb413ea950241238ff4",
+   "e05210f1ea06e3f7676cc86392c6eb5b3d1d8837",
    "testharness"
   ],
   "secure-contexts/META.yml": [
@@ -698269,7 +698296,7 @@
    "support"
   ],
   "tools/ci/website_build.sh": [
-   "e99fcb0cc9fb8b7451301a1e2d318daa631baf62",
+   "d23829f0bcdab7cd4c3b966c8a3fea711737a0d8",
    "support"
   ],
   "tools/conftest.py": [
@@ -704233,7 +704260,7 @@
    "support"
   ],
   "trusted-types/Node-multiple-arguments.tentative.html": [
-   "062c26d653c344b902e48744a0b54f72af816fc6",
+   "e3e4a2635e9820c762ca0c10ccd54e244e7bb499",
    "testharness"
   ],
   "trusted-types/Range-createContextualFragment.tentative.html": [
@@ -704241,67 +704268,67 @@
    "testharness"
   ],
   "trusted-types/TrustedTypePolicy-CSP-no-name.tentative.html": [
-   "2dfec26f5a0432e19fdbd139dadd3908b8acac3f",
+   "18819b20894644094684df6ca48d7e5a5b762d8e",
    "testharness"
   ],
   "trusted-types/TrustedTypePolicy-CSP-wildcard.tentative.html": [
-   "22b87965614fd16d280d5a97f9150d07ccca3d3e",
+   "0e97a4a245a9ef01e1c65f159a9bd300a93b903f",
    "testharness"
   ],
   "trusted-types/TrustedTypePolicy-CSP.tentative.html": [
-   "1293493ec1f7780b297d2040274150f0aba32adc",
+   "0b57c3a908a9a6218d45c4692ee6fd901e49328b",
    "testharness"
   ],
   "trusted-types/TrustedTypePolicy-createXXX.tentative.html": [
-   "a078af4b36bf295c1c3bc5814631e79779a3c73e",
+   "73ed8c72b23d5101f8e9e0f9867b1330aef0dc87",
    "testharness"
   ],
   "trusted-types/TrustedTypePolicy-name.tentative.html": [
-   "c121fe4cab50ab52a7159184bfa012e85d555768",
+   "4b7c30c855980ef2c4e5ab548a9b8def7991de77",
    "testharness"
   ],
   "trusted-types/TrustedTypePolicyFactory-constants.tentative.html": [
-   "f164e792345463ac658e925a0187fe9b3f21a127",
+   "001a6cea4813b0c7f720448d95690c63429405a6",
    "testharness"
   ],
   "trusted-types/TrustedTypePolicyFactory-createPolicy-createXYZTests.tentative.html": [
-   "8cdc837cba83ef6fa609556f4be453cdca1fc0a0",
+   "05c7301af7172165a6594e56eadc413cc6900977",
    "testharness"
   ],
   "trusted-types/TrustedTypePolicyFactory-createPolicy-cspTests-noNamesGiven.tentative.html": [
-   "2fc8f0122564190551de99ea1e47085a78fb7816",
+   "cec1bfb6041e525557c92f4cd7621c64f065654b",
    "testharness"
   ],
   "trusted-types/TrustedTypePolicyFactory-createPolicy-cspTests-wildcard.tentative.html": [
-   "7edc64be314a58b81d9d77f69a920faad598d0e0",
+   "f1b5f27e709bc1eb986f1a1160d0df0b5ec9a99d",
    "testharness"
   ],
   "trusted-types/TrustedTypePolicyFactory-createPolicy-cspTests.tentative.html": [
-   "1293493ec1f7780b297d2040274150f0aba32adc",
+   "0b57c3a908a9a6218d45c4692ee6fd901e49328b",
    "testharness"
   ],
   "trusted-types/TrustedTypePolicyFactory-createPolicy-nameTests.tentative.html": [
-   "6d43e0bafc61f34c17d7d7b751bf69f12d035adf",
+   "e0aa53756d6a23fd99d0469104ca061bf7831398",
    "testharness"
   ],
   "trusted-types/TrustedTypePolicyFactory-defaultPolicy.tentative.html": [
-   "ea00566854d12cbd6d2610aafdac44fd549ffbe7",
+   "7ac09d8bb96c0ef163590db1552012651648b68b",
    "testharness"
   ],
   "trusted-types/TrustedTypePolicyFactory-getPropertyType.tentative.html": [
-   "90fc7d5566d8d74dd70b7ff74a349dc424b4cdf8",
+   "f9ba8f2782209df2362c902d5666dbbf4bba34f8",
    "testharness"
   ],
   "trusted-types/TrustedTypePolicyFactory-isXXX.tentative.html": [
-   "854f69ed1e550bd660b8cf7a18b4a81a666072fd",
+   "efaac5d90d8f07f79f89aa72e633294a60487018",
    "testharness"
   ],
   "trusted-types/TrustedTypePolicyFactory-metadata.tentative.html": [
-   "694e4d2660fce5c3b89e457023ea147c84d67834",
+   "70f77b1bb552c3e1f9069b8847a2231aa5b19d48",
    "testharness"
   ],
   "trusted-types/Window-TrustedTypes.tentative.html": [
-   "5bbb4356c21d249a21c8204aad6c9ba7a353cb4e",
+   "c61d9207b65f430b08c6801a5ffc04d3d0efedd1",
    "testharness"
   ],
   "trusted-types/Window-open.tentative.html": [
@@ -704309,11 +704336,11 @@
    "testharness"
   ],
   "trusted-types/WorkerGlobalScope-importScripts.https.html": [
-   "6ae52639d1dc0d5b303cb4cdb6fb727481234be9",
+   "9dbfd7b93c97abda7beff52e2e9afebefe518f29",
    "testharness"
   ],
   "trusted-types/block-Node-multiple-arguments.tentative.html": [
-   "f84998d4c54ce0d33b19aa3df1e1658d2ba2e655",
+   "5552e1313728c9688b7dfa32a9ee2bea38faa151",
    "testharness"
   ],
   "trusted-types/block-eval.tentative.html": [
@@ -704321,27 +704348,27 @@
    "testharness"
   ],
   "trusted-types/block-string-assignment-to-DOMParser-parseFromString.tentative.html": [
-   "4446a58836695355efd0fbf3f9f5a0bd6c60c8a3",
+   "82e31200e6ba5150672e28a898d70d71486ada8a",
    "testharness"
   ],
   "trusted-types/block-string-assignment-to-DOMWindowTimers-setTimeout-setInterval.tentative.html": [
-   "2554ce635607ba06df3d975a0437b0862a30d799",
+   "468ed7b6975194ffde6b4106b0d78f5b99ca24ee",
    "testharness"
   ],
   "trusted-types/block-string-assignment-to-Document-write.tentative.html": [
-   "845df475fa0c8833c63b4db7992cde1a804635f9",
+   "4defb56c88ed763bf65c3f45e16a7d56234b7970",
    "testharness"
   ],
   "trusted-types/block-string-assignment-to-Element-insertAdjacentHTML.tentative.html": [
-   "ae1ace69bf85853d0f1c3db333e4507ac1896073",
+   "37a73f08c20a297a74bd7025906444a1083cb0c1",
    "testharness"
   ],
   "trusted-types/block-string-assignment-to-Element-outerHTML.tentative.html": [
-   "945e3dd2a79b026ad35f379deece04c19eb89d8c",
+   "8f314a26bf5d522276864abdc989a403afdfd170",
    "testharness"
   ],
   "trusted-types/block-string-assignment-to-Element-setAttribute.tentative.html": [
-   "d77d9dab58681658d04a7b55d1f340da8f684bfa",
+   "3cae5d29b445ec452d6832c062bf6ce59a54242f",
    "testharness"
   ],
   "trusted-types/block-string-assignment-to-Element-setAttributeNS.tentative.html": [
@@ -704349,27 +704376,27 @@
    "testharness"
   ],
   "trusted-types/block-string-assignment-to-HTMLElement-generic.tentative.html": [
-   "fe27d45d08a2d8f9a98e44c3d0244230f343954d",
+   "89d1216d27e2dcf27ad5faa941e224cc495e9363",
    "testharness"
   ],
   "trusted-types/block-string-assignment-to-Location-assign.tentative.html": [
-   "4c295ffa284acb21436f06ecbf06ac4073365efe",
+   "8e89d0d1a6044a354011ed904a621fc519e619ed",
    "testharness"
   ],
   "trusted-types/block-string-assignment-to-Location-href.tentative.html": [
-   "86bce7994d6e9e43bddc590519126f4ee266cf06",
+   "998ee21f3456a8a59692774d057bddba349ee15f",
    "testharness"
   ],
   "trusted-types/block-string-assignment-to-Location-replace.tentative.html": [
-   "aa3af64e12b1d2b296e8dedd40b9cef749b1431c",
+   "e85bb646fc96f2eafbe2c1953633ebcd59212641",
    "testharness"
   ],
   "trusted-types/block-string-assignment-to-Range-createContextualFragment.tentative.html": [
-   "4919b7fd4de8dcbe66daa87fdd1285dd96d4580d",
+   "61553eb71dfcf4a49e580450602aabcc3e515282",
    "testharness"
   ],
   "trusted-types/block-string-assignment-to-Window-open.tentative.html": [
-   "c66a16d5c00535c3def556afc5daff3a7614c62c",
+   "e9c1c79050be5c0d28ea6927e9f8285da11b973d",
    "testharness"
   ],
   "trusted-types/block-text-node-insertion-into-script-element.tentative.html": [
@@ -704377,7 +704404,7 @@
    "testharness"
   ],
   "trusted-types/default-policy-report-only.tentative.html": [
-   "1170655c5f53088e6ff0815c98175af81f5bd1d2",
+   "1a54fd6232917415338e3fac3f622f929a4432f8",
    "testharness"
   ],
   "trusted-types/default-policy-report-only.tentative.html.headers": [
@@ -704385,7 +704412,7 @@
    "support"
   ],
   "trusted-types/default-policy.tentative.html": [
-   "68e05c1305b0a55b73871cb3ab72f1b534a37c5e",
+   "672eccfb430b404f8d13e8fb3ec8ea8408d4a70c",
    "testharness"
   ],
   "trusted-types/default-policy.tentative.html.headers": [
@@ -704393,15 +704420,15 @@
    "support"
   ],
   "trusted-types/eval-with-permissive-csp.tentative.html": [
-   "25b4948c039c68c425e22f5e30ae4338327b6ce2",
+   "074fe79dc93fee6563bcb9ce2db3fa708bf4ad4f",
    "testharness"
   ],
   "trusted-types/idlharness.window.js": [
-   "de13697764ed487060de3dd425cd39cba73ff13b",
+   "4c1ee6e04a36971593eea7e89841d147a4febcd5",
    "testharness"
   ],
   "trusted-types/support/WorkerGlobalScope-importScripts.https.js": [
-   "8665c695c92137147193cfed075083e2de15cd90",
+   "fa63c8bad0fcd9f93d89c8c3bea2d8a0b59d2094",
    "support"
   ],
   "trusted-types/support/WorkerGlobalScope-importScripts.https.js.headers": [
@@ -704409,7 +704436,7 @@
    "support"
   ],
   "trusted-types/support/helper.sub.js": [
-   "36ee24046ed283fc294978ada74168c515d3e17f",
+   "d63ff54ad60d40045da5bbe864458688c0554dbc",
    "support"
   ],
   "trusted-types/support/worker.js": [
@@ -704417,7 +704444,7 @@
    "support"
   ],
   "trusted-types/trusted-types-eval-reporting-no-unsafe-eval.tentative.https.html": [
-   "dc8653617504f5ed895789cff92c2553dce972e7",
+   "e15ecfaa86c5b48dcc3aa9903ab7b0ab89af8474",
    "testharness"
   ],
   "trusted-types/trusted-types-eval-reporting-no-unsafe-eval.tentative.https.html.headers": [
@@ -704425,7 +704452,7 @@
    "support"
   ],
   "trusted-types/trusted-types-eval-reporting-report-only.tentative.https.html": [
-   "1fb65459468d96f86e4a467aa8da2f3be489ae31",
+   "bd8933a48355f46f1973764874e017b263df197c",
    "testharness"
   ],
   "trusted-types/trusted-types-eval-reporting-report-only.tentative.https.html.headers": [
@@ -704433,7 +704460,7 @@
    "support"
   ],
   "trusted-types/trusted-types-eval-reporting.tentative.https.html": [
-   "4ec5db1adce7478cc3e97f942a9de68f1263d31d",
+   "c751ae1330cd01cfb1c4b21d0a676576656837b2",
    "testharness"
   ],
   "trusted-types/trusted-types-eval-reporting.tentative.https.html.headers": [
@@ -704441,7 +704468,7 @@
    "support"
   ],
   "trusted-types/trusted-types-report-only.tentative.https.html": [
-   "f33183b4906975f03ebb3f3a21adb63839c89adb",
+   "1a17d529fd158db853af547c55de675bf71f194e",
    "testharness"
   ],
   "trusted-types/trusted-types-report-only.tentative.https.html.headers": [
@@ -704449,7 +704476,7 @@
    "support"
   ],
   "trusted-types/trusted-types-reporting-check-report.https.html": [
-   "111907788d279a722aced631dc19b20afb6f0285",
+   "fc98f5cbc586e4238dbf1c8dc20b74105693bec4",
    "testharness"
   ],
   "trusted-types/trusted-types-reporting-check-report.https.html.sub.headers": [
@@ -704457,7 +704484,7 @@
    "support"
   ],
   "trusted-types/trusted-types-reporting.tentative.https.html": [
-   "0104ba358058199a77f1af5afb27e3255da8da64",
+   "6a79fec07b6626c87a22a3b1c4e778a33c975e67",
    "testharness"
   ],
   "trusted-types/trusted-types-reporting.tentative.https.html.headers": [
@@ -710049,7 +710076,7 @@
    "testharness"
   ],
   "web-nfc/NDEFRecord_constructor.https.html": [
-   "aa3de01509c12b9ec1fba7b17d59abb633e932f0",
+   "7a0da33a54370dda699546553c0b18ced937a91c",
    "testharness"
   ],
   "web-nfc/NFCErrorEvent_constructor.https.html": [
@@ -710057,7 +710084,7 @@
    "testharness"
   ],
   "web-nfc/NFCReader_options.https.html": [
-   "8b38f558a0a8fb03afac573bd8f39820f37cc4fa",
+   "5761747f907fad40873023f8ba746bef19fb08e7",
    "testharness"
   ],
   "web-nfc/NFCReader_scan.https.html": [
@@ -710069,7 +710096,7 @@
    "testharness"
   ],
   "web-nfc/NFCWriter_push.https.html": [
-   "50a230344a14c372854df93e3c29815156e855dc",
+   "dda160f159a23223c0910d2393ecbc8c8e38aed1",
    "testharness"
   ],
   "web-nfc/README.md": [
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 3325d4df9cc..cd2291d4430 100644
--- a/tests/wpt/metadata/fetch/content-type/response.window.js.ini
+++ b/tests/wpt/metadata/fetch/content-type/response.window.js.ini
@@ -324,15 +324,9 @@
   [<iframe>: separate response Content-Type: text/html;" \\" text/plain]
     expected: FAIL
 
-  [<iframe>: combined response Content-Type: text/html;" text/plain]
-    expected: FAIL
-
-  [<iframe>: separate response Content-Type: text/html */*;charset=gbk]
-    expected: FAIL
-
   [<iframe>: separate response Content-Type: text/html */*]
     expected: FAIL
 
-  [<iframe>: separate response Content-Type: text/plain */*;charset=gbk]
+  [<iframe>: combined response Content-Type: text/html;x=" text/plain]
     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 536384f36e1..87c807a49ff 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%0C]
     expected: FAIL
 
-  [X-Content-Type-Options%3A%20%2Cnosniff]
-    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_2.html.ini
index dc2e45516de..75d75b4cda2 100644
--- 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_2.html.ini
@@ -1,4 +1,4 @@
-[traverse_the_history_5.html]
+[traverse_the_history_2.html]
   [Multiple history traversals, last would be aborted]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini
new file mode 100644
index 00000000000..385376c7321
--- /dev/null
+++ b/tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_4.html.ini
@@ -0,0 +1,4 @@
+[traverse_the_history_4.html]
+  [Multiple history traversals, last would be aborted]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/html/browsers/windows/embedded-opener-remove-frame.html.ini b/tests/wpt/metadata/html/browsers/windows/embedded-opener-remove-frame.html.ini
index 442db3cb549..2532dceabac 100644
--- a/tests/wpt/metadata/html/browsers/windows/embedded-opener-remove-frame.html.ini
+++ b/tests/wpt/metadata/html/browsers/windows/embedded-opener-remove-frame.html.ini
@@ -1,4 +1,5 @@
 [embedded-opener-remove-frame.html]
+  expected: CRASH
   [opener and "removed" embedded documents]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/html/semantics/embedded-content/the-img-element/non-active-document.html.ini b/tests/wpt/metadata/html/semantics/embedded-content/the-img-element/non-active-document.html.ini
deleted file mode 100644
index 8cc42056d34..00000000000
--- a/tests/wpt/metadata/html/semantics/embedded-content/the-img-element/non-active-document.html.ini
+++ /dev/null
@@ -1,10 +0,0 @@
-[non-active-document.html]
-  [DOMParser]
-    expected: FAIL
-
-  [createHTMLDocument]
-    expected: FAIL
-
-  [<template>]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/html/semantics/interactive-elements/the-details-element/toggleEvent.html.ini b/tests/wpt/metadata/html/semantics/interactive-elements/the-details-element/toggleEvent.html.ini
new file mode 100644
index 00000000000..9e522297c94
--- /dev/null
+++ b/tests/wpt/metadata/html/semantics/interactive-elements/the-details-element/toggleEvent.html.ini
@@ -0,0 +1,7 @@
+[toggleEvent.html]
+  [Calling open twice on 'details' fires only one toggle event]
+    expected: FAIL
+
+  [Setting open=true to opened 'details' element should not fire a toggle event at the 'details' element]
+    expected: FAIL
+
diff --git a/tests/wpt/metadata/workers/constructors/Worker/Worker-constructor.html.ini b/tests/wpt/metadata/workers/constructors/Worker/Worker-constructor.html.ini
deleted file mode 100644
index 80f9a4f15b8..00000000000
--- a/tests/wpt/metadata/workers/constructors/Worker/Worker-constructor.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[Worker-constructor.html]
-  expected: ERROR
diff --git a/tests/wpt/web-platform-tests/.github/workflows/documentation.yml b/tests/wpt/web-platform-tests/.github/workflows/documentation.yml
index 8b892ba88ea..400722f7921 100644
--- a/tests/wpt/web-platform-tests/.github/workflows/documentation.yml
+++ b/tests/wpt/web-platform-tests/.github/workflows/documentation.yml
@@ -2,6 +2,10 @@ on:
   push:
     branches:
       - master
+    paths:
+      - 'docs/**'
+      - 'resources/**'
+      - 'tools/**'
   pull_request:
     paths:
       - 'docs/**'
diff --git a/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-flex-track-intrinsic-sizes-001.html b/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-flex-track-intrinsic-sizes-001.html
new file mode 100644
index 00000000000..a478f9ace23
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-flex-track-intrinsic-sizes-001.html
@@ -0,0 +1,81 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>CSS Grid Layout Test: Intrinsic contribution of an item with flex tracks</title>
+<link rel="author" title="Oriol Brufau" href="mailto:obrufau@igalia.com">
+<link rel="help" href="https://drafts.csswg.org/css-grid/#algo-spanning-items" title="11.5.3 Increase sizes to accommodate spanning items crossing content-sized tracks">
+<link rel="help" href="https://drafts.csswg.org/css-grid/#algo-spanning-flex-items" title="11.5.4 Increase sizes to accommodate spanning items crossing flexible tracks">
+<meta name="assert" content="This test checks that the intrinsic contribution of a single grid item is distributed correctly among the tracks it spans when flexible tracks are involved.">
+<style>
+#grid {
+  display: grid;
+  width: 50px;
+  height: 50px;
+  border: solid;
+}
+#item {
+  width: 100px;
+  height: 100px;
+  background: blue;
+}
+</style>
+
+<div id="log"></div>
+
+<div id="grid">
+  <div id="item"></div>
+</div>
+
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="../grid-definition/support/testing-utils.js"></script>
+<script>
+const item = document.getElementById("item");
+function checkTrackSizes(span, trackList, expected) {
+  item.style.gridColumn = item.style.gridRow = `span ${span}`;
+  TestingUtils.testGridTemplateColumnsRows("grid", trackList, trackList, expected, expected);
+}
+
+// Item spanning an intrinsic flexible track
+checkTrackSizes(1, "0fr", "100px");
+checkTrackSizes(1, "1fr", "100px");
+checkTrackSizes(1, "2fr", "100px");
+
+// Item spanning a fixed flexible track
+checkTrackSizes(1, "minmax(0, 0fr)", "0px");
+checkTrackSizes(1, "minmax(0, .5fr)", "25px");
+checkTrackSizes(1, "minmax(0, 1fr)", "50px");
+checkTrackSizes(1, "minmax(0, 2fr)", "50px");
+checkTrackSizes(1, "minmax(75px, 1fr)", "75px");
+
+// Item spanning 2 intrinsic flexible tracks
+checkTrackSizes(2, "0fr 0fr", "50px 50px");
+checkTrackSizes(2, "0fr 1fr", "0px 100px");
+checkTrackSizes(2, "1fr 0fr", "100px 0px");
+checkTrackSizes(2, "1fr 1fr", "50px 50px");
+checkTrackSizes(2, "1fr 3fr", "25px 75px");
+checkTrackSizes(2, "0fr 0fr 1fr", "50px 50px 0px");
+
+// Item spanning 2 fixed flexible tracks
+checkTrackSizes(2, "minmax(0, 0fr) minmax(0, 0fr)", "0px 0px");
+checkTrackSizes(2, "minmax(0, 0fr) minmax(0, 1fr)", "0px 50px");
+checkTrackSizes(2, "minmax(15px, 0fr) minmax(0, 1fr)", "15px 35px");
+checkTrackSizes(2, "minmax(20px, 1fr) minmax(0, 1fr)", "25px 25px");
+checkTrackSizes(2, "minmax(30px, 1fr) minmax(0, 1fr)", "30px 20px");
+
+// Item spanning an intrinsic flexible track and a fixed flexible track
+checkTrackSizes(2, "0fr minmax(0, 0fr)", "100px 0px");
+checkTrackSizes(2, "0fr minmax(0, 1fr)", "100px 0px");
+checkTrackSizes(2, "1fr minmax(0, 1fr)", "100px 0px");
+checkTrackSizes(2, "1fr minmax(25px, 1fr)", "75px 25px");
+
+// Item spanning an intrinsic flexible track and an intrinsic non-flexible track
+checkTrackSizes(2, "0fr auto", "100px 0px");
+checkTrackSizes(2, "1fr auto", "100px 0px");
+checkTrackSizes(2, "1fr max-content", "100px 0px");
+
+// Item spanning a fixed flexible track and an intrinsic non-flexible track
+checkTrackSizes(2, "minmax(0, 0fr) auto", "0px 100px");
+checkTrackSizes(2, "minmax(0, 1fr) auto", "0px 100px");
+checkTrackSizes(2, "minmax(25px, 0fr) auto", "25px 75px");
+checkTrackSizes(2, "minmax(25px, 1fr) auto", "25px 75px");
+</script>
diff --git a/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-flex-track-intrinsic-sizes-002.html b/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-flex-track-intrinsic-sizes-002.html
new file mode 100644
index 00000000000..ef5f1ae1093
--- /dev/null
+++ b/tests/wpt/web-platform-tests/css/css-grid/layout-algorithm/grid-flex-track-intrinsic-sizes-002.html
@@ -0,0 +1,105 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>CSS Grid Layout Test: Intrinsic contributions of 2 items with flex tracks</title>
+<link rel="author" title="Oriol Brufau" href="mailto:obrufau@igalia.com">
+<link rel="help" href="https://drafts.csswg.org/css-grid/#algo-spanning-items" title="11.5.3 Increase sizes to accommodate spanning items crossing content-sized tracks">
+<link rel="help" href="https://drafts.csswg.org/css-grid/#algo-spanning-flex-items" title="11.5.4 Increase sizes to accommodate spanning items crossing flexible tracks">
+<meta name="assert" content="This test checks that the intrinsic contributions of 2 items are distributed in the right order when flexible tracks are involved.">
+<style>
+#grid {
+  display: grid;
+  grid-template-areas: ". . . ."
+                       ". a . ."
+                       ". . . ."
+                       ". . . b";
+  width: 50px;
+  height: 50px;
+  border: solid;
+}
+#item1 {
+  grid-column: 1 / a;
+  grid-row: 1 / a;
+  width: 60px;
+  height: 60px;
+  background: blue;
+}
+#item2 {
+  grid-column: a / b;
+  grid-row: a / b;
+  width: 150px;
+  height: 150px;
+  background: yellow;
+}
+</style>
+
+<div id="log"></div>
+
+<div id="grid">
+  <div id="item1"></div>
+  <div id="item2"></div>
+</div>
+
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="../grid-definition/support/testing-utils.js"></script>
+<script>
+function checkTrackSizes(trackList, expected) {
+  TestingUtils.testGridTemplateColumnsRows("grid", trackList, trackList, expected, expected);
+}
+
+// We have a symmetric grid with 2 items and 4 tracks, as follows:
+// ╔═╤═╗─┬─┐
+// ╟─╔═╬═╪═╗
+// ╚═╬═╝─┼─╢
+// ├─╫─┼─┼─╢
+// └─╚═╧═╧═╝
+
+// The 1st item has spans less tracks (2) than the 2nd item (3),
+// therefore its contribution (60px) is distributed first.
+// All the 60px go to the 2nd track, since the 1st track is not intrinsic.
+// Then the 2nd item only needs to distribute 150px-60px=90px
+// among the 3rd and 4th tracks.
+checkTrackSizes("minmax(0, 1fr) auto auto auto", "0px 60px 45px 45px");
+
+// The 1st item now spans a flexible track with an intrinsic minimum,
+// therefore its contribution (60px) is distributed last.
+// The 2nd item distributes its contribution (150px) among the 2nd, 3rd and 4th tracks.
+// Then the 1st item only needs to distribute 60px-50px=10px to the 1st track.
+checkTrackSizes("1fr auto auto auto", "10px 50px 50px 50px");
+
+// Now both items span a flexible track with an intrinsic minimum,
+// so their contributions are handled simultaneously,
+// even if the 1st item still spans less tracks than the 2nd one.
+// Therefore the distribution is as follows:
+//  - 1st track: 60px/2 = 30px
+//  - 2nd track: max(60px/2, 150px/3) = 50px
+//  - 3rd track: 150px/3 = 50px
+//  - 4th track: 150px/3 = 50px
+checkTrackSizes("1fr 1fr 1fr 1fr", "30px 50px 50px 50px");
+
+// Like the previous case, but with different flex ratios:
+//  - 1st track: 60px/2 = 30px
+//  - 2nd track: max(60px/2, 150px/6) = 30px
+//  - 3rd track: 150px/6 = 25px
+//  - 4th track: 150px*4/6 = 100px
+checkTrackSizes("1fr 1fr 1fr 4fr", "30px 30px 25px 100px");
+
+// Change the grid as follows:
+// ╔═╦═╤═╗
+// ╠═╝─┼─╢
+// ╟─┼─┼─╢
+// ╚═╧═╧═╝
+document.getElementById("grid").style.gridTemplateAreas = `
+  "a . ."
+  ". . ."
+  ". . b"`;
+
+// Now the 1st item has a span of 1, so usually we would handle its contribution
+// at the very beginning, before items that span multiple tracks.
+// But not if its track is flexible, then it's still handled at the end,
+// simultaneously with other items that span some intrinsic flexible track.
+//  - 1nd track: max(60px, 150px/3) = 60px
+//  - 2nd track: 150px/3 = 50px
+//  - 3rd track: 150px/3 = 50px
+checkTrackSizes("1fr 1fr 1fr", "60px 50px 50px");
+</script>
diff --git a/tests/wpt/web-platform-tests/css/css-transforms/parsing/transform-valid.html b/tests/wpt/web-platform-tests/css/css-transforms/parsing/transform-valid.html
index 7879bd686a6..8237a9a4a68 100644
--- a/tests/wpt/web-platform-tests/css/css-transforms/parsing/transform-valid.html
+++ b/tests/wpt/web-platform-tests/css/css-transforms/parsing/transform-valid.html
@@ -47,12 +47,6 @@ test_valid_value("transform", "skewY(0)", "skewY(0deg)");
 test_valid_value("transform", "skewY(-90deg)");
 
 test_valid_value("transform", "translate(1px, 2%) scale(3, 4) rotate(-90deg)");
-
-// Regression test for crbug.com/995038
-test_valid_value("transform", "translateX(2e80px)", "translateX(3.40282e+38px)");
-test_valid_value("transform", "rotate(2e80deg)", "rotate(3.40282e+38deg)");
-test_valid_value("transform", "scaleX(2e80)", "scaleX(3.40282e+38)");
-test_valid_value("transform", "skewX(2e80deg)", "skewX(3.40282e+38deg)");
 </script>
 </body>
 </html>
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/normal-flow-overconstrained-vlr-005.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/normal-flow-overconstrained-vlr-005.xht
index 2754e245476..a443db4e830 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/normal-flow-overconstrained-vlr-005.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/normal-flow-overconstrained-vlr-005.xht
@@ -36,10 +36,6 @@
   html
     {
       writing-mode: vertical-lr;
-    }
-
-  body#containing-block
-    {
       background-image: url("support/bg-red-3col-2row-320x320.png");
       background-position: 198px 8px;
       /* first value represents the horizontal position and the second represents the vertical position */
@@ -58,9 +54,12 @@
         198px
       */
       background-repeat: no-repeat;
+    }
+
+  #containing-block
+    {
       direction: rtl;
       height: 320px;
-      margin: 8px;
     }
 
   p
@@ -70,7 +69,7 @@
       margin-right: 16px;
     }
 
-  div
+  #test
     {
       background-color: green;
       margin-top: 160px;
@@ -139,16 +138,16 @@ And so computed margin-top value must be 80px .
 
  </head>
 
- <body id="containing-block">
-
-  <p><img src="support/pass-cdts-abs-pos-non-replaced.png" width="246" height="36" alt="Image download support must be enabled" /></p>
-  <!--
-  The image says:
-  Test passes if there is a filled
-  green square and <strong>no red</strong>.
-  -->
-
-  <div></div>
-
+ <body>
+  <div id="containing-block">
+   <p><img src="support/pass-cdts-abs-pos-non-replaced.png" width="246" height="36" alt="Image download support must be enabled" /></p>
+   <!--
+   The image says:
+   Test passes if there is a filled
+   green square and <strong>no red</strong>.
+   -->
+
+   <div id="test"></div>
+  </div>
  </body>
 </html>
diff --git a/tests/wpt/web-platform-tests/css/css-writing-modes/normal-flow-overconstrained-vrl-004.xht b/tests/wpt/web-platform-tests/css/css-writing-modes/normal-flow-overconstrained-vrl-004.xht
index 472405d1efa..d084c2c6a94 100644
--- a/tests/wpt/web-platform-tests/css/css-writing-modes/normal-flow-overconstrained-vrl-004.xht
+++ b/tests/wpt/web-platform-tests/css/css-writing-modes/normal-flow-overconstrained-vrl-004.xht
@@ -36,10 +36,6 @@
   html
     {
       writing-mode: vertical-rl;
-    }
-
-  body#containing-block
-    {
       background-image: url("support/bg-red-3col-2row-320x320.png");
       background-position: -152px 8px;
       /* first value represents the horizontal position and the second represents the vertical position */
@@ -54,9 +50,11 @@
       -152px
       */
       background-repeat: no-repeat;
+    }
+  #containing-block
+    {
       direction: rtl;
       height: 320px;
-      margin: 8px;
     }
 
   p
@@ -66,7 +64,7 @@
       margin-right: 16px;
     }
 
-  div
+  #test
     {
       background-color: green;
       margin-top: 160px;
@@ -135,16 +133,16 @@ And so computed margin-top value must be 80px .
 
  </head>
 
- <body id="containing-block">
-
-  <p><img src="support/pass-cdts-abs-pos-non-replaced.png" width="246" height="36" alt="Image download support must be enabled" /></p>
-  <!--
-  The image says:
-  Test passes if there is a filled
-  green square and <strong>no red</strong>.
-  -->
-
-  <div></div>
-
+ <body>
+  <div id="containing-block">
+   <p><img src="support/pass-cdts-abs-pos-non-replaced.png" width="246" height="36" alt="Image download support must be enabled" /></p>
+   <!--
+   The image says:
+   Test passes if there is a filled
+   green square and <strong>no red</strong>.
+   -->
+
+   <div id="test"></div>
+  </div>
  </body>
 </html>
diff --git a/tests/wpt/web-platform-tests/interfaces/cookie-store.idl b/tests/wpt/web-platform-tests/interfaces/cookie-store.idl
index c3204b2515a..3e1a90ab63f 100644
--- a/tests/wpt/web-platform-tests/interfaces/cookie-store.idl
+++ b/tests/wpt/web-platform-tests/interfaces/cookie-store.idl
@@ -43,7 +43,7 @@ dictionary CookieStoreGetOptions {
 enum CookieSameSite {
   "strict",
   "lax",
-  "unrestricted"
+  "none"
 };
 
 dictionary CookieStoreSetOptions {
diff --git a/tests/wpt/web-platform-tests/interfaces/cssom-view.idl b/tests/wpt/web-platform-tests/interfaces/cssom-view.idl
index 5d30ede1e40..34036484195 100644
--- a/tests/wpt/web-platform-tests/interfaces/cssom-view.idl
+++ b/tests/wpt/web-platform-tests/interfaces/cssom-view.idl
@@ -53,8 +53,8 @@ partial interface Window {
 interface MediaQueryList : EventTarget {
   readonly attribute CSSOMString media;
   readonly attribute boolean matches;
-  void addListener(EventListener? listener);
-  void removeListener(EventListener? listener);
+  void addListener(EventListener? callback);
+  void removeListener(EventListener? callback);
            attribute EventHandler onchange;
 };
 
diff --git a/tests/wpt/web-platform-tests/mediasession/helper/artwork-generator.html b/tests/wpt/web-platform-tests/mediasession/helper/artwork-generator.html
new file mode 100644
index 00000000000..5a2fbb151d9
--- /dev/null
+++ b/tests/wpt/web-platform-tests/mediasession/helper/artwork-generator.html
@@ -0,0 +1,18 @@
+<!DOCTYPE html>
+<title>MediaImage</title>
+<script>
+function createArtworkFromURLs(sources) {
+  let artwork = [];
+  for (const source of sources) {
+    artwork.push({
+      src: source
+    });
+  }
+
+  let metadata = new MediaMetadata({
+    artwork: artwork
+  });
+  return metadata.artwork;
+}
+
+</script>
diff --git a/tests/wpt/web-platform-tests/mediasession/mediametadata.html b/tests/wpt/web-platform-tests/mediasession/mediametadata.html
index e545e732dda..11f6a5f9767 100644
--- a/tests/wpt/web-platform-tests/mediasession/mediametadata.html
+++ b/tests/wpt/web-platform-tests/mediasession/mediametadata.html
@@ -4,6 +4,16 @@
 <script src="/resources/testharnessreport.js"></script>
 <script>
 
+function load_iframe(src) {
+  return new Promise(resolve => {
+    const iframe = document.createElement('iframe');
+    iframe.onload = () => { resolve(iframe); };
+    iframe.src = src;
+    iframe.style.display = 'none';
+    document.documentElement.appendChild(iframe);
+  });
+}
+
 test(function() {
   var metadata = new MediaMetadata({});
   navigator.mediaSession.metadata = metadata;
@@ -189,4 +199,21 @@ test(function() {
   });
 }, "Test that MediaImage.src is required")
 
+promise_test(async t => {
+  const URLs = [
+    'http://example.com',
+    '../foo',
+    './foo/bar',
+    '/foo/bar',
+  ];
+  const subframe = await load_iframe('helper/artwork-generator.html');
+  // createArtworkFromURLs is a function in the subframe.
+  const artwork = subframe.contentWindow.createArtworkFromURLs(URLs);
+
+  assert_equals(artwork.length, URLs.length);
+  for (let i = 0 ; i < artwork.length ; ++i) {
+    assert_equals(artwork[i].src, new URL(URLs[i], document.URL).href);
+  }
+}, 'Test that the base URL of MediaImage is the base URL of entry setting object');
+
 </script>
diff --git a/tests/wpt/web-platform-tests/scroll-to-text-fragment/scroll-to-text-fragment.html b/tests/wpt/web-platform-tests/scroll-to-text-fragment/scroll-to-text-fragment.html
index 85f07f38229..e05210f1ea0 100644
--- a/tests/wpt/web-platform-tests/scroll-to-text-fragment/scroll-to-text-fragment.html
+++ b/tests/wpt/web-platform-tests/scroll-to-text-fragment/scroll-to-text-fragment.html
@@ -8,24 +8,24 @@
 <script>
 let test_cases = [
   { fragment: '#', expect_position: 'top' },
-  { fragment: '##targetText=test', expect_position: 'text' },
-  { fragment: '##targetText=this,page', expect_position: 'text' },
-  { fragment: '##targetText=this-,is,test', expect_position: 'text' },
-  { fragment: '##targetText=this-,is,test,-page', expect_position: 'text' },
-  { fragment: '##targetText=this-,is,page,-none', expect_position: 'top' },
-  { fragment: '##targetText=this,test,-page', expect_position: 'text' },
-  { fragment: '##targetText=this%20is%20a%20test%20page', expect_position: 'text' },
-  { fragment: '##targetText=this&targetText=test,page', expect_position: 'text' },
-  { fragment: '##targetText=tes&targetText=age', expect_position: 'top' },
-  { fragment: '#pagestate##targetText=test', expect_position: 'text' },
-  { fragment: '#pagestate##targetText=nomatch', expect_position: 'top' },
-  { fragment: '#element##targetText=nomatch', expect_position: 'element' },
-  { fragment: '#element##directive', expect_position: 'element' },
+  { fragment: '#:~:text=test', expect_position: 'text' },
+  { fragment: '#:~:text=this,page', expect_position: 'text' },
+  { fragment: '#:~:text=this-,is,test', expect_position: 'text' },
+  { fragment: '#:~:text=this-,is,test,-page', expect_position: 'text' },
+  { fragment: '#:~:text=this-,is,page,-none', expect_position: 'top' },
+  { fragment: '#:~:text=this,test,-page', expect_position: 'text' },
+  { fragment: '#:~:text=this%20is%20a%20test%20page', expect_position: 'text' },
+  { fragment: '#:~:text=this&text=test,page', expect_position: 'text' },
+  { fragment: '#:~:text=tes&text=age', expect_position: 'top' },
+  { fragment: '#pagestate:~:text=test', expect_position: 'text' },
+  { fragment: '#pagestate:~:text=nomatch', expect_position: 'top' },
+  { fragment: '#element:~:text=nomatch', expect_position: 'element' },
+  { fragment: '#element:~:directive', expect_position: 'element' },
 ];
 
 test(t => {
-  assert_equals(typeof(window.location.selector), 'object', 'window.location.selector is defined');
-}, 'Scroll to text is feature detectable via window.location.selector');
+  assert_equals(typeof(window.location.fragmentDirective), 'object', 'window.location.fragmentDirective is defined');
+}, 'Scroll to text is feature detectable via window.location.fragmentDirective');
 
 for (const test_case of test_cases) {
   promise_test(t => new Promise(resolve => {
diff --git a/tests/wpt/web-platform-tests/tools/ci/website_build.sh b/tests/wpt/web-platform-tests/tools/ci/website_build.sh
index e99fcb0cc9f..d23829f0bcd 100755
--- a/tests/wpt/web-platform-tests/tools/ci/website_build.sh
+++ b/tests/wpt/web-platform-tests/tools/ci/website_build.sh
@@ -25,20 +25,6 @@ function targets_master {
   test $(json_property ${GITHUB_EVENT_PATH} ref) == 'refs/heads/master'
 }
 
-function modifies_relevant_files {
-  base_revision=$(json_property ${GITHUB_EVENT_PATH} before)
-
-  git diff --name-only ${base_revision} | \
-    grep -E --silent '^(docs|tools)/'
-}
-
-if ! modifies_relevant_files ; then
-  echo No files related to the website have been modified. Exiting without
-  echo building.
-
-  exit ${neutral_status}
-fi
-
 git config --global user.email "wpt-pr-bot@users.noreply.github.com"
 git config --global user.name "wpt-pr-bot"
 
diff --git a/tests/wpt/web-platform-tests/trusted-types/Node-multiple-arguments.tentative.html b/tests/wpt/web-platform-tests/trusted-types/Node-multiple-arguments.tentative.html
index 062c26d653c..e3e4a2635e9 100644
--- a/tests/wpt/web-platform-tests/trusted-types/Node-multiple-arguments.tentative.html
+++ b/tests/wpt/web-platform-tests/trusted-types/Node-multiple-arguments.tentative.html
@@ -9,7 +9,7 @@
 <div id="container"></div>
 <script>
   const container = document.querySelector("#container");
-  const policy = window.TrustedTypes.createPolicy("policy", {
+  const policy = window.trustedTypes.createPolicy("policy", {
     createScript: t => t,
   });
   function stringify(arg) {
diff --git a/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicy-CSP-no-name.tentative.html b/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicy-CSP-no-name.tentative.html
index 2dfec26f5a0..18819b20894 100644
--- a/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicy-CSP-no-name.tentative.html
+++ b/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicy-CSP-no-name.tentative.html
@@ -9,7 +9,7 @@
   // No name given test
   test(t => {
     assert_throws(new TypeError(),
-      () => window.TrustedTypes.createPolicy('SomeName', { createHTML: s => s } ),
+      () => window.trustedTypes.createPolicy('SomeName', { createHTML: s => s } ),
       "createPolicy with an empty trusted-types CSP directive");
   }, "No name list given - policy creation fails.");
 </script>
diff --git a/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicy-CSP-wildcard.tentative.html b/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicy-CSP-wildcard.tentative.html
index 22b87965614..0e97a4a245a 100644
--- a/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicy-CSP-wildcard.tentative.html
+++ b/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicy-CSP-wildcard.tentative.html
@@ -7,7 +7,7 @@
 <body>
 <script>
   test(t => {
-    let policy = window.TrustedTypes.createPolicy('SomeName', { createHTML: s => s } );
+    let policy = window.trustedTypes.createPolicy('SomeName', { createHTML: s => s } );
     assert_equals(policy.name, 'SomeName');
   }, "CSP supports wildcards.");
 </script>
diff --git a/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicy-CSP.tentative.html b/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicy-CSP.tentative.html
index 1293493ec1f..0b57c3a908a 100644
--- a/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicy-CSP.tentative.html
+++ b/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicy-CSP.tentative.html
@@ -8,20 +8,20 @@
 <script>
   // Whitelisted name test
   test(t => {
-    let policy = window.TrustedTypes.createPolicy('SomeName', { createHTML: s => s } );
+    let policy = window.trustedTypes.createPolicy('SomeName', { createHTML: s => s } );
     assert_equals(policy.name, 'SomeName');
   }, "Whitelisted policy creation works.");
 
   // Another whitelisted name test
   test(t => {
-    let policy = window.TrustedTypes.createPolicy('JustOneMoreName', { createHTML: s => s } );
+    let policy = window.trustedTypes.createPolicy('JustOneMoreName', { createHTML: s => s } );
     assert_equals(policy.name, 'JustOneMoreName');
   }, "Another whitelisted policy creation works.");
 
   // Non-whitelisted names test
   test(t => {
     assert_throws(new TypeError(), _ => {
-     window.TrustedTypes.createPolicy('SomeOtherName', { createURL: s => s } );
+     window.trustedTypes.createPolicy('SomeOtherName', { createURL: s => s } );
     });
   }, "Non-whitelisted policy creation throws.");
 </script>
diff --git a/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicy-createXXX.tentative.html b/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicy-createXXX.tentative.html
index a078af4b36b..73ed8c72b23 100644
--- a/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicy-createXXX.tentative.html
+++ b/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicy-createXXX.tentative.html
@@ -7,14 +7,14 @@
 <body>
 <script>
   test(t => {
-    const p1 = TrustedTypes.createPolicy("policyHTMLAndScript", {
+    const p1 = trustedTypes.createPolicy("policyHTMLAndScript", {
       createHTML: s => s,
       createScript: s => s
     });
     assert_throws(new TypeError(), _ => { p1.createScriptURL("foo"); });
     assert_throws(new TypeError(), _ => { p1.createURL("foo"); });
 
-    const p2 = TrustedTypes.createPolicy("policyURLAndScriptURL", {
+    const p2 = trustedTypes.createPolicy("policyURLAndScriptURL", {
       createURL: s => s,
       createScriptURL: s => s
     });
@@ -29,7 +29,7 @@
       createURL: (s) => s,
       createScript: (s) => s,
     };
-    policy = TrustedTypes.createPolicy(Math.random(), noopPolicy, true);
+    policy = trustedTypes.createPolicy(Math.random(), noopPolicy, true);
     let el = document.createElement("div");
 
     el.title = policy.createHTML(INPUTS.URL);
@@ -40,12 +40,12 @@
   }, "Attributes without type constraints will work as before.");
 
   test(t => {
-    const policy = TrustedTypes.createPolicy("nullpolicy", null);
+    const policy = trustedTypes.createPolicy("nullpolicy", null);
     assert_throws(new TypeError(), _ => { policy.createScriptURL("foo"); });
     assert_throws(new TypeError(), _ => { policy.createURL("foo"); });
     assert_throws(new TypeError(), _ => { policy.createHTML("foo"); });
     assert_throws(new TypeError(), _ => { policy.createScript("foo"); });
-  }, "TrustedTypes.createPolicy(.., null) creates empty policy.");
+  }, "trustedTypes.createPolicy(.., null) creates empty policy.");
 
 
   // testCases contains a list of policy functions and expected results (when
@@ -85,7 +85,7 @@
     return function(name, fn) {
       let options = {};
       options[trustedMethodName] = fn;
-      let policy = window.TrustedTypes.createPolicy(name, options);
+      let policy = window.trustedTypes.createPolicy(name, options);
       let result = policy[trustedMethodName](defaultArg);
       assert_true(result instanceof trustedType);
       return result;
diff --git a/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicy-name.tentative.html b/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicy-name.tentative.html
index c121fe4cab5..4b7c30c8559 100644
--- a/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicy-name.tentative.html
+++ b/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicy-name.tentative.html
@@ -8,7 +8,7 @@
 <script>
   // Policy name test
   test(t => {
-    let policy = TrustedTypes.createPolicy('hidden', { createHTML: s => s }, false );
+    let policy = trustedTypes.createPolicy('hidden', { createHTML: s => s }, false );
     assert_true(policy instanceof TrustedTypePolicy);
     assert_equals(policy.name, 'hidden');
   }, "policy.name = name");
@@ -16,14 +16,14 @@
   // Duplicate names test
   test(t => {
     assert_throws(new TypeError(), _ => {
-      TrustedTypes.createPolicy('hidden', { createURL: s => s } );
+      trustedTypes.createPolicy('hidden', { createURL: s => s } );
     });
   }, "duplicate policy name attempt throws");
 
   // Retrieve policy names tests
   test(t => {
-    let policy = TrustedTypes.createPolicy('exposed', { createURL: s => s }, true );
-    let names = TrustedTypes.getPolicyNames();
+    let policy = trustedTypes.createPolicy('exposed', { createURL: s => s }, true );
+    let names = trustedTypes.getPolicyNames();
     assert_equals(names.length, 2);
     assert_true(names.includes('hidden'));
     assert_true(names.includes('exposed'));
diff --git a/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-constants.tentative.html b/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-constants.tentative.html
index f164e792345..001a6cea481 100644
--- a/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-constants.tentative.html
+++ b/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-constants.tentative.html
@@ -7,20 +7,20 @@
 <body>
 <script>
   test(t => {
-    const empty = TrustedTypes.emptyHTML;
-    assert_true(TrustedTypes.isHTML(empty));
+    const empty = trustedTypes.emptyHTML;
+    assert_true(trustedTypes.isHTML(empty));
     assert_equals(empty.toString(), "");
-  }, 'TrustedTypes.emptyHTML returns the intended value.');
+  }, 'trustedTypes.emptyHTML returns the intended value.');
 
   test(t => {
-    try { TrustedTypes.emptyHTML = 'fake'; } catch { }
-    assert_true(TrustedTypes.isHTML(TrustedTypes.emptyHTML));
-    assert_equals(TrustedTypes.emptyHTML.toString(), "");
-  }, 'TrustedTypes.emptyHTML cannot be redefined.');
+    try { trustedTypes.emptyHTML = 'fake'; } catch { }
+    assert_true(trustedTypes.isHTML(trustedTypes.emptyHTML));
+    assert_equals(trustedTypes.emptyHTML.toString(), "");
+  }, 'trustedTypes.emptyHTML cannot be redefined.');
 
   test(t => {
     try { Object.defineProperty(TrustedTypes, 'emptyHTML', 'fake'); } catch { }
-    assert_true(TrustedTypes.isHTML(TrustedTypes.emptyHTML));
-    assert_equals(TrustedTypes.emptyHTML.toString(), "");
-  }, 'TrustedTypes.emptyHTML cannot be redefined via defineProperty.');
+    assert_true(trustedTypes.isHTML(trustedTypes.emptyHTML));
+    assert_equals(trustedTypes.emptyHTML.toString(), "");
+  }, 'trustedTypes.emptyHTML cannot be redefined via defineProperty.');
 </script>
diff --git a/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-createPolicy-createXYZTests.tentative.html b/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-createPolicy-createXYZTests.tentative.html
index 8cdc837cba8..05c7301af71 100644
--- a/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-createPolicy-createXYZTests.tentative.html
+++ b/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-createPolicy-createXYZTests.tentative.html
@@ -6,10 +6,10 @@
 <script>
   //HTML tests
   function createHTMLTest(policyName, policy, expectedHTML, t) {
-    let p = window.TrustedTypes.createPolicy(policyName, policy);
+    let p = window.trustedTypes.createPolicy(policyName, policy);
     let html = p.createHTML('whatever');
     assert_true(html instanceof TrustedHTML);
-    assert_true(TrustedTypes.isHTML(html));
+    assert_true(trustedTypes.isHTML(html));
     assert_equals(html + "", expectedHTML);
   }
 
@@ -33,7 +33,7 @@
   }, "html = identity function, global string changed");
 
   test(t => {
-    let p = window.TrustedTypes.createPolicy('TestPolicyHTML5', { createHTML: s => { throw new Error(); }});
+    let p = window.trustedTypes.createPolicy('TestPolicyHTML5', { createHTML: s => { throw new Error(); }});
     assert_throws(new Error(), _ => {
       p.createHTML('whatever');
     });
@@ -57,14 +57,14 @@
   }, "html = this without bind");
 
   test(t => {
-    let p = window.TrustedTypes.createPolicy('TestPolicyHTML8', null);
+    let p = window.trustedTypes.createPolicy('TestPolicyHTML8', null);
     assert_throws(new TypeError(), _ => {
       p.createHTML('whatever');
     });
   }, "html - calling undefined callback throws");
 
   test(t => {
-    let p = window.TrustedTypes.createPolicy('TestPolicyHTML9', { createHTML: createHTMLJS });
+    let p = window.trustedTypes.createPolicy('TestPolicyHTML9', { createHTML: createHTMLJS });
     assert_throws(new TypeError(), _ => {
       p.createScript(INPUTS.SCRIPT);
     });
@@ -78,10 +78,10 @@
 
   //Script tests
   function createScriptTest(policyName, policy, expectedScript, t) {
-    let p = window.TrustedTypes.createPolicy(policyName, policy);
+    let p = window.trustedTypes.createPolicy(policyName, policy);
     let script = p.createScript('whatever');
     assert_true(script instanceof TrustedScript);
-    assert_true(TrustedTypes.isScript(script));
+    assert_true(trustedTypes.isScript(script));
     assert_equals(script + "", expectedScript);
   }
 
@@ -105,7 +105,7 @@
   }, "script = identity function, global string changed");
 
   test(t => {
-    let p = window.TrustedTypes.createPolicy('TestPolicyScript5', {
+    let p = window.trustedTypes.createPolicy('TestPolicyScript5', {
       createScript: s => { throw new Error(); }
     });
     assert_throws(new Error(), _ => {
@@ -131,14 +131,14 @@
   }, "script = this without bind");
 
   test(t => {
-    let p = window.TrustedTypes.createPolicy('TestPolicyScript8', null);
+    let p = window.trustedTypes.createPolicy('TestPolicyScript8', null);
     assert_throws(new TypeError(), _ => {
       p.createScript('whatever');
     });
   }, "script - calling undefined callback throws");
 
   test(t => {
-    let p = window.TrustedTypes.createPolicy('TestPolicyScript9', { createScript: createScriptJS });
+    let p = window.trustedTypes.createPolicy('TestPolicyScript9', { createScript: createScriptJS });
     assert_throws(new TypeError(), _ => {
       p.createHTML(INPUTS.HTML);
     });
@@ -153,10 +153,10 @@
 
   //ScriptURL tests
   function createScriptURLTest(policyName, policy, expectedScriptURL, t) {
-    let p = window.TrustedTypes.createPolicy(policyName, policy);
+    let p = window.trustedTypes.createPolicy(policyName, policy);
     let scriptUrl = p.createScriptURL(INPUTS.SCRIPTURL);
     assert_true(scriptUrl instanceof TrustedScriptURL);
-    assert_true(TrustedTypes.isScriptURL(scriptUrl));
+    assert_true(trustedTypes.isScriptURL(scriptUrl));
     assert_equals(scriptUrl + "", expectedScriptURL);
   }
 
@@ -180,7 +180,7 @@
   }, "script_url = identity function, global string changed");
 
   test(t => {
-    let p = window.TrustedTypes.createPolicy('TestPolicyScriptURL5', {
+    let p = window.trustedTypes.createPolicy('TestPolicyScriptURL5', {
       createScriptURL: s => { throw new Error(); }
     });
     assert_throws(new Error(), _ => {
@@ -206,14 +206,14 @@
   }, "script_url = this without bind");
 
   test(t => {
-    let p = window.TrustedTypes.createPolicy('TestPolicyScriptURL8', null);
+    let p = window.trustedTypes.createPolicy('TestPolicyScriptURL8', null);
     assert_throws(new TypeError(), _ => {
       p.createScriptURL(INPUTS.SCRIPTURL);
     });
   }, "script_url - calling undefined callback throws");
 
   test(t => {
-    let p = window.TrustedTypes.createPolicy('TestPolicyScriptURL9', { createScriptURL: createScriptURLJS });
+    let p = window.trustedTypes.createPolicy('TestPolicyScriptURL9', { createScriptURL: createScriptURLJS });
     assert_throws(new TypeError(), _ => {
       p.createHTML(INPUTS.HTML);
     });
@@ -228,10 +228,10 @@
 
   //URL tests
   function createURLTest(policyName, policy, expectedURL, t) {
-    let p = window.TrustedTypes.createPolicy(policyName, policy);
+    let p = window.trustedTypes.createPolicy(policyName, policy);
     let url = p.createURL(INPUTS.URL);
     assert_true(url instanceof TrustedURL);
-    assert_true(TrustedTypes.isURL(url));
+    assert_true(trustedTypes.isURL(url));
     assert_equals(url + "", expectedURL);
   }
 
@@ -255,7 +255,7 @@
   }, "url = identity function, global string changed");
 
   test(t => {
-    let p = window.TrustedTypes.createPolicy('TestPolicyURL5', {
+    let p = window.trustedTypes.createPolicy('TestPolicyURL5', {
       createURL: s => { throw new Error(); }
     });
     assert_throws(new Error(), _ => {
@@ -281,14 +281,14 @@
   }, "url = this without bind");
 
   test(t => {
-    let p = window.TrustedTypes.createPolicy('TestPolicyURL8', null);
+    let p = window.trustedTypes.createPolicy('TestPolicyURL8', null);
     assert_throws(new TypeError(), _ => {
       p.createURL(INPUTS.URL);
     });
   }, "url - calling undefined callback throws");
 
   test(t => {
-    let p = window.TrustedTypes.createPolicy('TestPolicyURL9', { createURL: createURLJS });
+    let p = window.trustedTypes.createPolicy('TestPolicyURL9', { createURL: createURLJS });
     assert_throws(new TypeError(), _ => {
       p.createHTML(INPUTS.HTML);
     });
diff --git a/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-createPolicy-cspTests-noNamesGiven.tentative.html b/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-createPolicy-cspTests-noNamesGiven.tentative.html
index 2fc8f012256..cec1bfb6041 100644
--- a/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-createPolicy-cspTests-noNamesGiven.tentative.html
+++ b/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-createPolicy-cspTests-noNamesGiven.tentative.html
@@ -8,7 +8,7 @@
   //No name given test
   test(t => {
     assert_throws(new TypeError(), _ => {
-      window.TrustedTypes.createPolicy('SomeName', { createHTML: s => s } );
+      window.trustedTypes.createPolicy('SomeName', { createHTML: s => s } );
     });
   }, "No name list given - policy creation throws");
 </script>
diff --git a/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-createPolicy-cspTests-wildcard.tentative.html b/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-createPolicy-cspTests-wildcard.tentative.html
index 7edc64be314..f1b5f27e709 100644
--- a/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-createPolicy-cspTests-wildcard.tentative.html
+++ b/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-createPolicy-cspTests-wildcard.tentative.html
@@ -7,7 +7,7 @@
 <script>
   //No name given test
   test(t => {
-    let policy = window.TrustedTypes.createPolicy('SomeName', { createHTML: s => s } );
+    let policy = window.trustedTypes.createPolicy('SomeName', { createHTML: s => s } );
     assert_equals(policy.name, 'SomeName');
   }, "Wildcard given - policy creation works");
 </script>
diff --git a/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-createPolicy-cspTests.tentative.html b/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-createPolicy-cspTests.tentative.html
index 1293493ec1f..0b57c3a908a 100644
--- a/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-createPolicy-cspTests.tentative.html
+++ b/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-createPolicy-cspTests.tentative.html
@@ -8,20 +8,20 @@
 <script>
   // Whitelisted name test
   test(t => {
-    let policy = window.TrustedTypes.createPolicy('SomeName', { createHTML: s => s } );
+    let policy = window.trustedTypes.createPolicy('SomeName', { createHTML: s => s } );
     assert_equals(policy.name, 'SomeName');
   }, "Whitelisted policy creation works.");
 
   // Another whitelisted name test
   test(t => {
-    let policy = window.TrustedTypes.createPolicy('JustOneMoreName', { createHTML: s => s } );
+    let policy = window.trustedTypes.createPolicy('JustOneMoreName', { createHTML: s => s } );
     assert_equals(policy.name, 'JustOneMoreName');
   }, "Another whitelisted policy creation works.");
 
   // Non-whitelisted names test
   test(t => {
     assert_throws(new TypeError(), _ => {
-     window.TrustedTypes.createPolicy('SomeOtherName', { createURL: s => s } );
+     window.trustedTypes.createPolicy('SomeOtherName', { createURL: s => s } );
     });
   }, "Non-whitelisted policy creation throws.");
 </script>
diff --git a/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-createPolicy-nameTests.tentative.html b/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-createPolicy-nameTests.tentative.html
index 6d43e0bafc6..e0aa53756d6 100644
--- a/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-createPolicy-nameTests.tentative.html
+++ b/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-createPolicy-nameTests.tentative.html
@@ -6,7 +6,7 @@
 <script>
   //Policy name test
   test(t => {
-    let policy = window.TrustedTypes.createPolicy('SomeName', { createHTML: s => s } );
+    let policy = window.trustedTypes.createPolicy('SomeName', { createHTML: s => s } );
     assert_true(policy instanceof TrustedTypePolicy);
     assert_equals(policy.name, 'SomeName');
   }, "policy.name = name");
@@ -14,14 +14,14 @@
   //Duplicate names test
   test(t => {
     assert_throws(new TypeError(), _ => {
-     window.TrustedTypes.createPolicy('SomeName', { createURL: s => s } );
+     window.trustedTypes.createPolicy('SomeName', { createURL: s => s } );
     });
   }, "duplicate policy name attempt throws");
 
   //Retrieve policy names tests
   test(t => {
-    let policy = window.TrustedTypes.createPolicy('SomeOtherName', { createURL: s => s } );
-    let names = window.TrustedTypes.getPolicyNames();
+    let policy = window.trustedTypes.createPolicy('SomeOtherName', { createURL: s => s } );
+    let names = window.trustedTypes.getPolicyNames();
     assert_true(names.includes('SomeName'));
     assert_true(names.includes('SomeOtherName'));
   }, "Retrieving policy names");
diff --git a/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-defaultPolicy.tentative.html b/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-defaultPolicy.tentative.html
index ea00566854d..7ac09d8bb96 100644
--- a/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-defaultPolicy.tentative.html
+++ b/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-defaultPolicy.tentative.html
@@ -5,20 +5,20 @@
 <body>
 <script>
   test(t => {
-    assert_equals(window.TrustedTypes.defaultPolicy, null);
+    assert_equals(window.trustedTypes.defaultPolicy, null);
   }, "defaultPolicy with no default created is not an error");
 
   test(t => {
-    let policy = window.TrustedTypes.createPolicy('default', { createHTML: s => s } );
+    let policy = window.trustedTypes.createPolicy('default', { createHTML: s => s } );
     assert_true(policy instanceof TrustedTypePolicy);
-    assert_equals(policy, window.TrustedTypes.defaultPolicy);
+    assert_equals(policy, window.trustedTypes.defaultPolicy);
   }, "defaultPolicy returns the correct default policy");
 
   test(t => {
-    let foo_policy = window.TrustedTypes.createPolicy('foo', { createHTML: s => s } );
-    let default_policy = window.TrustedTypes.defaultPolicy;
-    window.TrustedTypes.defaultPolicy = foo_policy;
-    assert_equals(window.TrustedTypes.defaultPolicy, default_policy);
-    assert_not_equals(window.TrustedTypes.defaultPolicy, foo_policy);
+    let foo_policy = window.trustedTypes.createPolicy('foo', { createHTML: s => s } );
+    let default_policy = window.trustedTypes.defaultPolicy;
+    window.trustedTypes.defaultPolicy = foo_policy;
+    assert_equals(window.trustedTypes.defaultPolicy, default_policy);
+    assert_not_equals(window.trustedTypes.defaultPolicy, foo_policy);
   }, "defaultPolicy is a read-only property");
 </script>
diff --git a/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-getPropertyType.tentative.html b/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-getPropertyType.tentative.html
index 90fc7d5566d..f9ba8f27822 100644
--- a/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-getPropertyType.tentative.html
+++ b/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-getPropertyType.tentative.html
@@ -8,77 +8,77 @@
 <div id="target"></div>
 <script>
   test(t => {
-    assert_equals(TrustedTypes.getPropertyType("a", "href"), "TrustedURL");
-    assert_equals(TrustedTypes.getPropertyType("a", "id"), null);
-    assert_equals(TrustedTypes.getPropertyType("a", "b"), null);
-  }, "sanity check TrustedTypes.getPropertyType for the HTML a element.");
+    assert_equals(trustedTypes.getPropertyType("a", "href"), "TrustedURL");
+    assert_equals(trustedTypes.getPropertyType("a", "id"), null);
+    assert_equals(trustedTypes.getPropertyType("a", "b"), null);
+  }, "sanity check trustedTypes.getPropertyType for the HTML a element.");
 
   test(t => {
-    assert_equals(TrustedTypes.getAttributeType("img", "onerror"), "TrustedScript");
-    assert_equals(TrustedTypes.getAttributeType("img", "width"), null);
-    assert_equals(TrustedTypes.getAttributeType("img", "madeup"), null);
-  }, "sanity check TrustedTypes.getAttributeType.");
+    assert_equals(trustedTypes.getAttributeType("img", "onerror"), "TrustedScript");
+    assert_equals(trustedTypes.getAttributeType("img", "width"), null);
+    assert_equals(trustedTypes.getAttributeType("img", "madeup"), null);
+  }, "sanity check trustedTypes.getAttributeType.");
 
   test(t => {
-    assert_true(!!TrustedTypes.getTypeMapping());
-  }, "sanity check TrustedTypes.getTypeMapping");
+    assert_true(!!trustedTypes.getTypeMapping());
+  }, "sanity check trustedTypes.getTypeMapping");
 
 
   // getPropertyType tests adapted from WICG/trusted-types polyfill:
   test(t => {
     // returns the proper type for attribute-related properties
-    assert_equals(TrustedTypes.getPropertyType("script", "src"), "TrustedScriptURL");
-    assert_equals(TrustedTypes.getPropertyType("img", "src"), "TrustedURL");
+    assert_equals(trustedTypes.getPropertyType("script", "src"), "TrustedScriptURL");
+    assert_equals(trustedTypes.getPropertyType("img", "src"), "TrustedURL");
 
     // is case insensitive for tag names
-    assert_equals(TrustedTypes.getPropertyType("SCRIPT", "src"), "TrustedScriptURL");
-    assert_equals(TrustedTypes.getPropertyType("ImG", "src"), "TrustedURL");
+    assert_equals(trustedTypes.getPropertyType("SCRIPT", "src"), "TrustedScriptURL");
+    assert_equals(trustedTypes.getPropertyType("ImG", "src"), "TrustedURL");
 
     // is case sensitive for property names
-    assert_equals(TrustedTypes.getPropertyType("script", "sRc"), null);
-    assert_equals(TrustedTypes.getPropertyType("div", "innerhtml"), null);
+    assert_equals(trustedTypes.getPropertyType("script", "sRc"), null);
+    assert_equals(trustedTypes.getPropertyType("div", "innerhtml"), null);
 
     // returns the proper type for innerHTML
-    assert_equals(TrustedTypes.getPropertyType("div", "innerHTML"), "TrustedHTML");
+    assert_equals(trustedTypes.getPropertyType("div", "innerHTML"), "TrustedHTML");
 
     // returns the proper type for outerHTML
-    assert_equals(TrustedTypes.getPropertyType("div", "outerHTML"), "TrustedHTML");
+    assert_equals(trustedTypes.getPropertyType("div", "outerHTML"), "TrustedHTML");
 
     // returns the proper type for script.prop
     ["text", "innerText", "textContent"].forEach((prop) => {
-      assert_equals(TrustedTypes.getPropertyType("script", prop), "TrustedScript");
+      assert_equals(trustedTypes.getPropertyType("script", prop), "TrustedScript");
     });
   }, "getPropertyType tests adapted from WICG/trusted-types polyfill");
 
   test(t => {
     // returns the proper type
-    assert_equals(TrustedTypes.getAttributeType('script', 'src'), 'TrustedScriptURL');
-    assert_equals(TrustedTypes.getAttributeType('img', 'src'), 'TrustedURL');
+    assert_equals(trustedTypes.getAttributeType('script', 'src'), 'TrustedScriptURL');
+    assert_equals(trustedTypes.getAttributeType('img', 'src'), 'TrustedURL');
 
     // ignores attributes from unknown namespaces
-    assert_equals(TrustedTypes.getAttributeType(
+    assert_equals(trustedTypes.getAttributeType(
           'a', 'href', '', 'http://foo.bar'), null);
 
     // is case insensitive for element names
-    assert_equals(TrustedTypes.getAttributeType('SCRIPT', 'src'), 'TrustedScriptURL');
-    assert_equals(TrustedTypes.getAttributeType('imG', 'src'), 'TrustedURL');
+    assert_equals(trustedTypes.getAttributeType('SCRIPT', 'src'), 'TrustedScriptURL');
+    assert_equals(trustedTypes.getAttributeType('imG', 'src'), 'TrustedURL');
 
     // is case insensitive for the attribute names
-    assert_equals(TrustedTypes.getAttributeType('script', 'SRC'), 'TrustedScriptURL');
-    assert_equals(TrustedTypes.getAttributeType('imG', 'srC'), 'TrustedURL');
+    assert_equals(trustedTypes.getAttributeType('script', 'SRC'), 'TrustedScriptURL');
+    assert_equals(trustedTypes.getAttributeType('imG', 'srC'), 'TrustedURL');
 
     // supports the inline event handlers
-    assert_equals(TrustedTypes.getAttributeType('img', 'onerror'), 'TrustedScript');
-    assert_equals(TrustedTypes.getAttributeType('unknown', 'onerror'), 'TrustedScript');
+    assert_equals(trustedTypes.getAttributeType('img', 'onerror'), 'TrustedScript');
+    assert_equals(trustedTypes.getAttributeType('unknown', 'onerror'), 'TrustedScript');
 
     // defaults to undefined
-    assert_equals(TrustedTypes.getAttributeType('unknown', 'src'), null);
-    assert_equals(TrustedTypes.getAttributeType('img', 'bar'), null);
+    assert_equals(trustedTypes.getAttributeType('unknown', 'src'), null);
+    assert_equals(trustedTypes.getAttributeType('img', 'bar'), null);
   }, "getAttributeType tests adapted from WICG/trusted-types polyfill");
 
 
   test(t=> {
-    const map = TrustedTypes.getTypeMapping();
+    const map = trustedTypes.getTypeMapping();
 
     // Spot testing some values.
     assert_equals(map["script"].attributes.src, "TrustedScriptURL");
@@ -89,10 +89,10 @@
     // getTypeMapping returns a 'clean' object, in case the return value has
     // been modified.
     map["*"].attributes["foo"] = "bar";
-    assert_equals(TrustedTypes.getTypeMapping()["*"].attributes["foo"], undefined);
+    assert_equals(trustedTypes.getTypeMapping()["*"].attributes["foo"], undefined);
 ;
     // Unknown namespaces:
-    assert_equals(TrustedTypes.getTypeMapping("http://foo/bar"), undefined);
+    assert_equals(trustedTypes.getTypeMapping("http://foo/bar"), undefined);
   }, "getTypeMapping tests adapted from WICG/trusted-types polyfill");
 
   // Test case handling for both attributes and properties.
@@ -100,12 +100,12 @@
     for (let elem of ["object", "OBJECT", "oBjEcT"]) {
       test(t => {
         // attributes are case-insensitive, so all variants should be defined.
-        assert_true(TrustedTypes.getAttributeType(elem, attr) != undefined);
+        assert_true(trustedTypes.getAttributeType(elem, attr) != undefined);
       }, `${elem}[${attr}] is defined`);
       test(t => {
         // properties are case-sensitive, so only the "correct" spelling
         // should be defined.
-        assert_equals(TrustedTypes.getPropertyType(elem, attr) != undefined,
+        assert_equals(trustedTypes.getPropertyType(elem, attr) != undefined,
                       attr == "codeBase");
       }, `${elem}.${attr} is maybe defined`);
     }
diff --git a/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-isXXX.tentative.html b/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-isXXX.tentative.html
index 854f69ed1e5..efaac5d90d8 100644
--- a/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-isXXX.tentative.html
+++ b/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-isXXX.tentative.html
@@ -16,94 +16,94 @@
 
   // isHTML tests
   test(t => {
-    const p = TrustedTypes.createPolicy('html', noopPolicy);
+    const p = trustedTypes.createPolicy('html', noopPolicy);
     let html = p.createHTML(INPUTS.HTML);
 
-    assert_true(TrustedTypes.isHTML(html));
+    assert_true(trustedTypes.isHTML(html));
     let html2 = Object.create(html);
 
     // instanceof can pass, but we rely on isHTML
     assert_true(html2 instanceof TrustedHTML);
-    assert_false(TrustedTypes.isHTML(html2));
+    assert_false(trustedTypes.isHTML(html2));
 
     let html3 = Object.assign({}, html, {toString: () => 'fake'});
 
-    assert_false(TrustedTypes.isHTML(html3));
+    assert_false(trustedTypes.isHTML(html3));
   }, 'TrustedTypePolicyFactory.isHTML requires the object to be created via policy.');
 
   // isScript tests
   test(t => {
-    const p = TrustedTypes.createPolicy('script', noopPolicy);
+    const p = trustedTypes.createPolicy('script', noopPolicy);
     let script = p.createScript(INPUTS.SCRIPT);
 
-    assert_true(TrustedTypes.isScript(script));
+    assert_true(trustedTypes.isScript(script));
     let script2 = Object.create(script);
 
     // instanceof can pass, but we rely on isScript
     assert_true(script2 instanceof TrustedScript);
-    assert_false(TrustedTypes.isScript(script2));
+    assert_false(trustedTypes.isScript(script2));
 
     let script3 = Object.assign({}, script, {toString: () => 'fake'});
 
-    assert_false(TrustedTypes.isScript(script3));
+    assert_false(trustedTypes.isScript(script3));
   }, 'TrustedTypePolicyFactory.isScript requires the object to be created via policy.');
 
   // isScriptURL tests
   test(t => {
-    const p = TrustedTypes.createPolicy('script_url', noopPolicy);
+    const p = trustedTypes.createPolicy('script_url', noopPolicy);
     let script = p.createScriptURL(INPUTS.SCRIPTURL);
 
-    assert_true(TrustedTypes.isScriptURL(script));
+    assert_true(trustedTypes.isScriptURL(script));
     let script2 = Object.create(script);
 
     // instanceof can pass, but we rely on isScript
     assert_true(script2 instanceof TrustedScriptURL);
-    assert_false(TrustedTypes.isScriptURL(script2));
+    assert_false(trustedTypes.isScriptURL(script2));
 
     let script3 = Object.assign({}, script, {toString: () => 'fake'});
 
-    assert_false(TrustedTypes.isScriptURL(script3));
+    assert_false(trustedTypes.isScriptURL(script3));
   }, 'TrustedTypePolicyFactory.isScriptURL requires the object to be created via policy.');
 
   // isURL tests
   test(t => {
-    const p = TrustedTypes.createPolicy('url', noopPolicy);
+    const p = trustedTypes.createPolicy('url', noopPolicy);
     let url = p.createURL(INPUTS.URL);
 
-    assert_true(TrustedTypes.isURL(url));
+    assert_true(trustedTypes.isURL(url));
     let url2 = Object.create(url);
 
     // instanceof can pass, but we rely on isScript
     assert_true(url2 instanceof TrustedURL);
-    assert_false(TrustedTypes.isURL(url2));
+    assert_false(trustedTypes.isURL(url2));
 
     let url3 = Object.assign({}, url, {toString: () => 'fake'});
 
-    assert_false(TrustedTypes.isURL(url3));
+    assert_false(trustedTypes.isURL(url3));
   }, 'TrustedTypePolicyFactory.isURL requires the object to be created via policy.');
 
   // Test non-object parameters.
   test(t => {
-    assert_false(TrustedTypes.isHTML(null));
-    assert_false(TrustedTypes.isHTML(123));
-    assert_false(TrustedTypes.isHTML(0.5));
-    assert_false(TrustedTypes.isHTML('test'));
-    assert_false(TrustedTypes.isHTML({}));
-    assert_false(TrustedTypes.isScript(null));
-    assert_false(TrustedTypes.isScript(123));
-    assert_false(TrustedTypes.isScript(0.5));
-    assert_false(TrustedTypes.isScript('test'));
-    assert_false(TrustedTypes.isScript({}));
-    assert_false(TrustedTypes.isURL(null));
-    assert_false(TrustedTypes.isURL(123));
-    assert_false(TrustedTypes.isURL(0.5));
-    assert_false(TrustedTypes.isURL('test'));
-    assert_false(TrustedTypes.isURL({}));
-    assert_false(TrustedTypes.isScriptURL(null));
-    assert_false(TrustedTypes.isScriptURL(123));
-    assert_false(TrustedTypes.isScriptURL(0.5));
-    assert_false(TrustedTypes.isScriptURL('test'));
-    assert_false(TrustedTypes.isScriptURL({}));
+    assert_false(trustedTypes.isHTML(null));
+    assert_false(trustedTypes.isHTML(123));
+    assert_false(trustedTypes.isHTML(0.5));
+    assert_false(trustedTypes.isHTML('test'));
+    assert_false(trustedTypes.isHTML({}));
+    assert_false(trustedTypes.isScript(null));
+    assert_false(trustedTypes.isScript(123));
+    assert_false(trustedTypes.isScript(0.5));
+    assert_false(trustedTypes.isScript('test'));
+    assert_false(trustedTypes.isScript({}));
+    assert_false(trustedTypes.isURL(null));
+    assert_false(trustedTypes.isURL(123));
+    assert_false(trustedTypes.isURL(0.5));
+    assert_false(trustedTypes.isURL('test'));
+    assert_false(trustedTypes.isURL({}));
+    assert_false(trustedTypes.isScriptURL(null));
+    assert_false(trustedTypes.isScriptURL(123));
+    assert_false(trustedTypes.isScriptURL(0.5));
+    assert_false(trustedTypes.isScriptURL('test'));
+    assert_false(trustedTypes.isScriptURL({}));
   }, 'TrustedTypePolicyFactory.isXXX should accept anything without throwing.');
 
   // Redefinition tests, assign to property.
@@ -112,44 +112,44 @@
   //  what [Unforgeable] does. Hence, the tests use try {..} catch {} to cover
   //  both situationsm rather than expect_throws(...).)
   test(t => {
-    try { TrustedTypes.isHTML = () => 'fake'; } catch { }
-    assert_false(TrustedTypes.isHTML({}));
+    try { trustedTypes.isHTML = () => 'fake'; } catch { }
+    assert_false(trustedTypes.isHTML({}));
   }, 'TrustedTypePolicyFactory.IsHTML cannot be redefined.');
 
   test(t => {
-    try { TrustedTypes.isScript = () => 'fake'; } catch { }
-    assert_false(TrustedTypes.isScript({}));
+    try { trustedTypes.isScript = () => 'fake'; } catch { }
+    assert_false(trustedTypes.isScript({}));
   }, 'TrustedTypePolicyFactory.isScript cannot be redefined.');
 
   test(t => {
-    try { TrustedTypes.isScriptURL = () => 'fake'; } catch { }
-    assert_false(TrustedTypes.isScriptURL({}));
+    try { trustedTypes.isScriptURL = () => 'fake'; } catch { }
+    assert_false(trustedTypes.isScriptURL({}));
   }, 'TrustedTypePolicyFactory.isScriptURL cannot be redefined.');
 
   test(t => {
-    try { TrustedTypes.isURL = () => 'fake'; } catch { }
-    assert_false(TrustedTypes.isURL({}));
+    try { trustedTypes.isURL = () => 'fake'; } catch { }
+    assert_false(trustedTypes.isURL({}));
   }, 'TrustedTypePolicyFactory.isURL cannot be redefined.');
 
   // Redefinition tests, via Object.defineProperty.
   test(t => {
     try { Object.defineProperty(TrustedTypes, 'isHTML', () => 'fake'); } catch { }
-    assert_false(TrustedTypes.isHTML({}));
+    assert_false(trustedTypes.isHTML({}));
   }, 'TrustedTypePolicyFactory.IsHTML cannot be redefined via defineProperty.');
 
   test(t => {
     try { Object.defineProperty(TrustedTypes, 'isScript', () => 'fake'); } catch { }
-    assert_false(TrustedTypes.isScript({}));
+    assert_false(trustedTypes.isScript({}));
   }, 'TrustedTypePolicyFactory.isScript cannot be redefined via definePropert.');
 
   test(t => {
     try { Object.defineProperty(TrustedTypes, 'isScriptURL', () => 'fake'); } catch { }
-    assert_false(TrustedTypes.isScriptURL({}));
+    assert_false(trustedTypes.isScriptURL({}));
   }, 'TrustedTypePolicyFactory.isScriptURL cannot be redefined via definePropert.');
 
   test(t => {
     try { Object.defineProperty(TrustedTypes, 'isURL', () => 'fake'); } catch { }
-    assert_false(TrustedTypes.isURL({}));
+    assert_false(trustedTypes.isURL({}));
   }, 'TrustedTypePolicyFactory.isURL cannot be redefined via definePropert.');
 
 </script>
diff --git a/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-metadata.tentative.html b/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-metadata.tentative.html
index 694e4d2660f..70f77b1bb55 100644
--- a/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-metadata.tentative.html
+++ b/tests/wpt/web-platform-tests/trusted-types/TrustedTypePolicyFactory-metadata.tentative.html
@@ -9,7 +9,7 @@
 <div id="target"></div>
 <script>
 
-  const policy = TrustedTypes.createPolicy("anythinggoes", {
+  const policy = trustedTypes.createPolicy("anythinggoes", {
     "createHTML": x => x,
     "createScript": x => x,
     "createURL": x => x,
@@ -41,7 +41,7 @@
   // so we'll get decent error messages when it might fail.
   test(t => {
     // Collect all element and property names from getTypeMapping().
-    const map = TrustedTypes.getTypeMapping();
+    const map = trustedTypes.getTypeMapping();
     for (let elem in map) {
       elements.push(elem);
       properties = properties.concat(Object.keys(map[elem].properties));
@@ -91,7 +91,7 @@
         test(t => {
           const element = target.appendChild(document.createElement(elem));
           t.add_cleanup(_ => element.remove());
-          const expected_type = TrustedTypes.getPropertyType(elem, property);
+          const expected_type = trustedTypes.getPropertyType(elem, property);
           const value = create_value[type];
           const test_fn = _ => { element[property] = value; };
           if (type == expected_type || !expected_type) {
@@ -129,7 +129,7 @@
         test(t => {
           const element = target.appendChild(document.createElement(elem));
           t.add_cleanup(_ => element.remove());
-          const expected_type = TrustedTypes.getAttributeType(elem, property);
+          const expected_type = trustedTypes.getAttributeType(elem, property);
           const value = create_value[type];
           const test_fn = _ => { element.setAttribute(property, value); };
           if (type == expected_type || !expected_type) {
diff --git a/tests/wpt/web-platform-tests/trusted-types/Window-TrustedTypes.tentative.html b/tests/wpt/web-platform-tests/trusted-types/Window-TrustedTypes.tentative.html
index 5bbb4356c21..c61d9207b65 100644
--- a/tests/wpt/web-platform-tests/trusted-types/Window-TrustedTypes.tentative.html
+++ b/tests/wpt/web-platform-tests/trusted-types/Window-TrustedTypes.tentative.html
@@ -5,9 +5,9 @@
 <body>
 <script>
   test(t => {
-    let factory = window.TrustedTypes;
+    let factory = window.trustedTypes;
     assert_true(factory instanceof TrustedTypePolicyFactory);
-  }, "factory = window.TrustedTypes");
+  }, "factory = window.trustedTypes");
 
   test(t => {
     assert_throws(new TypeError(), _ => {
diff --git a/tests/wpt/web-platform-tests/trusted-types/WorkerGlobalScope-importScripts.https.html b/tests/wpt/web-platform-tests/trusted-types/WorkerGlobalScope-importScripts.https.html
index 6ae52639d1d..9dbfd7b93c9 100644
--- a/tests/wpt/web-platform-tests/trusted-types/WorkerGlobalScope-importScripts.https.html
+++ b/tests/wpt/web-platform-tests/trusted-types/WorkerGlobalScope-importScripts.https.html
@@ -18,7 +18,7 @@
 // For the same reason we cannot use the otherwise preferred 'META: workers'
 // tag, since that test setup would be blocked as soon as trusted types
 // enforcement is enabled.
-const test_setup_policy = TrustedTypes.createPolicy("hurrayanythinggoes", {
+const test_setup_policy = trustedTypes.createPolicy("hurrayanythinggoes", {
   createScriptURL: x => x});
 const test_url =
   test_setup_policy.createScriptURL("support/WorkerGlobalScope-importScripts.https.js");
diff --git a/tests/wpt/web-platform-tests/trusted-types/block-Node-multiple-arguments.tentative.html b/tests/wpt/web-platform-tests/trusted-types/block-Node-multiple-arguments.tentative.html
index f84998d4c54..5552e131372 100644
--- a/tests/wpt/web-platform-tests/trusted-types/block-Node-multiple-arguments.tentative.html
+++ b/tests/wpt/web-platform-tests/trusted-types/block-Node-multiple-arguments.tentative.html
@@ -10,7 +10,7 @@
 <div id="container"></div>
 <script>
   const container = document.querySelector("#container");
-  const policy = window.TrustedTypes.createPolicy("policy", {
+  const policy = window.trustedTypes.createPolicy("policy", {
     createScript: t => t,
   });
   function stringify(arg) {
diff --git a/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-DOMParser-parseFromString.tentative.html b/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-DOMParser-parseFromString.tentative.html
index 4446a588366..82e31200e6b 100644
--- a/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-DOMParser-parseFromString.tentative.html
+++ b/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-DOMParser-parseFromString.tentative.html
@@ -33,7 +33,7 @@
 
   // After default policy creation string assignment implicitly calls createHTML.
   test(t => {
-    let p = window.TrustedTypes.createPolicy("default", { createHTML: createHTMLJS }, true);
+    let p = window.trustedTypes.createPolicy("default", { createHTML: createHTMLJS }, true);
     let parser = new DOMParser();
     let doc = parser.parseFromString(INPUTS.HTML, "text/html");
     assert_equals(doc.body.innerText, RESULTS.HTML);
diff --git a/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-DOMWindowTimers-setTimeout-setInterval.tentative.html b/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-DOMWindowTimers-setTimeout-setInterval.tentative.html
index 2554ce63560..468ed7b6975 100644
--- a/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-DOMWindowTimers-setTimeout-setInterval.tentative.html
+++ b/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-DOMWindowTimers-setTimeout-setInterval.tentative.html
@@ -56,7 +56,7 @@
 
   // After default policy creation string assignment implicitly calls createScript.
   test(t => {
-    let policy = window.TrustedTypes.createPolicy("default", { createScript: createScriptJS }, true);
+    let policy = window.trustedTypes.createPolicy("default", { createScript: createScriptJS }, true);
     setTimeout(INPUTS.SCRIPT);
     setInterval(INPUTS.SCRIPT);
   }, "`setTimeout(string)`, `setInterval(string)` via default policy (successful Script transformation).");
diff --git a/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-Document-write.tentative.html b/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-Document-write.tentative.html
index 845df475fa0..4defb56c88e 100644
--- a/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-Document-write.tentative.html
+++ b/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-Document-write.tentative.html
@@ -62,7 +62,7 @@
     assert_equals(document.body.innerText, old);
   }, "`document.writeln(null)` throws");
 
-  let default_policy = TrustedTypes.createPolicy('default',
+  let default_policy = trustedTypes.createPolicy('default',
       { createHTML: createHTMLJS }, true );
 
   // Default policy works.
diff --git a/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-Element-insertAdjacentHTML.tentative.html b/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-Element-insertAdjacentHTML.tentative.html
index ae1ace69bf8..37a73f08c20 100644
--- a/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-Element-insertAdjacentHTML.tentative.html
+++ b/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-Element-insertAdjacentHTML.tentative.html
@@ -93,7 +93,7 @@
 
   // After default policy creation string assignment implicitly calls createHTML.
   test(t => {
-    let p = window.TrustedTypes.createPolicy("default", { createHTML: createHTMLJS }, true);
+    let p = window.trustedTypes.createPolicy("default", { createHTML: createHTMLJS }, true);
 
     var d = document.createElement('div');
     container.appendChild(d);
diff --git a/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-Element-outerHTML.tentative.html b/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-Element-outerHTML.tentative.html
index 945e3dd2a79..8f314a26bf5 100644
--- a/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-Element-outerHTML.tentative.html
+++ b/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-Element-outerHTML.tentative.html
@@ -52,7 +52,7 @@
 
   // After default policy creation string assignment implicitly calls createHTML.
   test(t => {
-    let p = window.TrustedTypes.createPolicy("default", { createHTML: createHTMLJS }, true);
+    let p = window.trustedTypes.createPolicy("default", { createHTML: createHTMLJS }, true);
 
     var d = document.createElement('div');
     document.querySelector('#container').appendChild(d);
diff --git a/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-Element-setAttribute.tentative.html b/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-Element-setAttribute.tentative.html
index d77d9dab586..3cae5d29b44 100644
--- a/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-Element-setAttribute.tentative.html
+++ b/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-Element-setAttribute.tentative.html
@@ -9,7 +9,7 @@
 </head>
 <body>
 <script>
-  const nullPolicy = TrustedTypes.createPolicy('NullPolicy', {createScript: s => s});
+  const nullPolicy = trustedTypes.createPolicy('NullPolicy', {createScript: s => s});
 
   // TrustedURL Assignments
   const URLTestCases = [
@@ -93,7 +93,7 @@
   }, "`Element.prototype.setAttribute.SrC = string` throws.");
 
   // After default policy creation string and null assignments implicitly call createXYZ
-  let p = window.TrustedTypes.createPolicy("default", { createURL: createURLJS, createScriptURL: createScriptURLJS, createHTML: createHTMLJS, createScript: createScriptJS }, true);
+  let p = window.trustedTypes.createPolicy("default", { createURL: createURLJS, createScriptURL: createScriptURLJS, createHTML: createHTMLJS, createScript: createScriptJS }, true);
   URLTestCases.forEach(c => {
     test(t => {
       assert_element_accepts_trusted_type(c[0], c[1], INPUTS.URL, RESULTS.URL);
diff --git a/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-HTMLElement-generic.tentative.html b/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-HTMLElement-generic.tentative.html
index fe27d45d08a..89d1216d27e 100644
--- a/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-HTMLElement-generic.tentative.html
+++ b/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-HTMLElement-generic.tentative.html
@@ -69,7 +69,7 @@
   });
 
   // After default policy creation string and null assignments implicitly call createHTML
-  let p = window.TrustedTypes.createPolicy("default", { createURL: createURLJS, createScriptURL: createScriptURLJS, createHTML: createHTMLJS }, true);
+  let p = window.trustedTypes.createPolicy("default", { createURL: createURLJS, createScriptURL: createScriptURLJS, createHTML: createHTMLJS }, true);
 
   URLTestCases.forEach(c => {
     test(t => {
diff --git a/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-Location-assign.tentative.html b/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-Location-assign.tentative.html
index 4c295ffa284..8e89d0d1a60 100644
--- a/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-Location-assign.tentative.html
+++ b/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-Location-assign.tentative.html
@@ -36,7 +36,7 @@
   }, "`location.assign = null` throws");
 
   // Create default policy. Applies to all subsequent tests.
-  let p = window.TrustedTypes.createPolicy("default",
+  let p = window.trustedTypes.createPolicy("default",
       { createURL: createLocationURLJS }, true);
 
   // After default policy creation string assignment implicitly calls createURL.
diff --git a/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-Location-href.tentative.html b/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-Location-href.tentative.html
index 86bce7994d6..998ee21f345 100644
--- a/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-Location-href.tentative.html
+++ b/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-Location-href.tentative.html
@@ -36,7 +36,7 @@
   }, "`location.href = null` throws");
 
   // Create default policy. Applies to all subsequent tests.
-  let p = window.TrustedTypes.createPolicy("default",
+  let p = window.trustedTypes.createPolicy("default",
       { createURL: createLocationURLJS }, true);
 
   // After default policy creation string assignment implicitly calls createURL.
diff --git a/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-Location-replace.tentative.html b/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-Location-replace.tentative.html
index aa3af64e12b..e85bb646fc9 100644
--- a/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-Location-replace.tentative.html
+++ b/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-Location-replace.tentative.html
@@ -36,7 +36,7 @@
   }, "`location.replace = null` throws");
 
   // Create default policy. Applies to all subsequent tests.
-  let p = window.TrustedTypes.createPolicy("default",
+  let p = window.trustedTypes.createPolicy("default",
       { createURL: createLocationURLJS }, true);
 
   // After default policy creation string assignment implicitly calls createURL.
diff --git a/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-Range-createContextualFragment.tentative.html b/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-Range-createContextualFragment.tentative.html
index 4919b7fd4de..61553eb71df 100644
--- a/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-Range-createContextualFragment.tentative.html
+++ b/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-Range-createContextualFragment.tentative.html
@@ -36,7 +36,7 @@
 
   // After default policy creation string assignment implicitly calls createHTML
   test(t => {
-    let p = window.TrustedTypes.createPolicy("default", { createHTML: createHTMLJS }, true);
+    let p = window.trustedTypes.createPolicy("default", { createHTML: createHTMLJS }, true);
     var range = document.createRange();
     range.selectNodeContents(document.documentElement);
     var result = range.createContextualFragment(INPUTS.HTML);
diff --git a/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-Window-open.tentative.html b/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-Window-open.tentative.html
index c66a16d5c00..e9c1c79050b 100644
--- a/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-Window-open.tentative.html
+++ b/tests/wpt/web-platform-tests/trusted-types/block-string-assignment-to-Window-open.tentative.html
@@ -64,7 +64,7 @@
   }, "`document.open(null)` throws.");
 
   // After default policy creation string assignment implicitly calls createURL.
-  let p = window.TrustedTypes.createPolicy("default", { createURL: createURLJS }, true);
+  let p = window.trustedTypes.createPolicy("default", { createURL: createURLJS }, true);
   test(t => {
     testWindowDoesntThrow(t, INPUTS.URL, RESULTS.URL, window);
   }, "'window.open(string)' assigned via default policy (successful URL transformation).");
diff --git a/tests/wpt/web-platform-tests/trusted-types/default-policy-report-only.tentative.html b/tests/wpt/web-platform-tests/trusted-types/default-policy-report-only.tentative.html
index 1170655c5f5..1a54fd62329 100644
--- a/tests/wpt/web-platform-tests/trusted-types/default-policy-report-only.tentative.html
+++ b/tests/wpt/web-platform-tests/trusted-types/default-policy-report-only.tentative.html
@@ -70,7 +70,7 @@ function policy(str) {
     return "sanitized: " + str;
 }
 
-TrustedTypes.createPolicy("default", {
+trustedTypes.createPolicy("default", {
   createURL: policy,
   createScriptURL: policy,
   createHTML: policy,
diff --git a/tests/wpt/web-platform-tests/trusted-types/default-policy.tentative.html b/tests/wpt/web-platform-tests/trusted-types/default-policy.tentative.html
index 68e05c1305b..672eccfb430 100644
--- a/tests/wpt/web-platform-tests/trusted-types/default-policy.tentative.html
+++ b/tests/wpt/web-platform-tests/trusted-types/default-policy.tentative.html
@@ -70,7 +70,7 @@ function policy(str) {
     return "sanitized: " + str;
 }
 
-TrustedTypes.createPolicy("default", {
+trustedTypes.createPolicy("default", {
   createURL: policy,
   createScriptURL: policy,
   createHTML: policy,
diff --git a/tests/wpt/web-platform-tests/trusted-types/eval-with-permissive-csp.tentative.html b/tests/wpt/web-platform-tests/trusted-types/eval-with-permissive-csp.tentative.html
index 25b4948c039..074fe79dc93 100644
--- a/tests/wpt/web-platform-tests/trusted-types/eval-with-permissive-csp.tentative.html
+++ b/tests/wpt/web-platform-tests/trusted-types/eval-with-permissive-csp.tentative.html
@@ -25,7 +25,7 @@
     assert_equals("" + s, "Hello a cat string");
   }, "eval with TrustedScript and permissive CSP works.");
 
-  TrustedTypes.createPolicy("default", { createScript: createScriptJS }, true);
+  trustedTypes.createPolicy("default", { createScript: createScriptJS }, true);
   test(t => {
     let s = eval('"Hello transformed untrusted string"');
     assert_equals(s, "Hello a cat untrusted string");
diff --git a/tests/wpt/web-platform-tests/trusted-types/idlharness.window.js b/tests/wpt/web-platform-tests/trusted-types/idlharness.window.js
index de13697764e..4c1ee6e04a3 100644
--- a/tests/wpt/web-platform-tests/trusted-types/idlharness.window.js
+++ b/tests/wpt/web-platform-tests/trusted-types/idlharness.window.js
@@ -6,12 +6,12 @@ idl_test(
     ['dom', 'html'],
     idl_array => {
       idl_array.add_objects({
-        TrustedTypePolicyFactory: ['window.TrustedTypes'],
-        TrustedTypePolicy: ['window.TrustedTypes.createPolicy("SomeName", { createHTML: s => s })'],
-        TrustedHTML: ['window.TrustedTypes.createPolicy("SomeName1", { createHTML: s => s }).createHTML("A string")'],
-        TrustedScript: ['window.TrustedTypes.createPolicy("SomeName2", { createScript: s => s }).createScript("A string")'],
-        TrustedScriptURL: ['window.TrustedTypes.createPolicy("SomeName3", { createScriptURL: s => s }).createScriptURL("A string")'],
-        TrustedURL: ['window.TrustedTypes.createPolicy("SomeName4", { createURL: s => s }).createURL("A string")']
+        TrustedTypePolicyFactory: ['window.trustedTypes'],
+        TrustedTypePolicy: ['window.trustedTypes.createPolicy("SomeName", { createHTML: s => s })'],
+        TrustedHTML: ['window.trustedTypes.createPolicy("SomeName1", { createHTML: s => s }).createHTML("A string")'],
+        TrustedScript: ['window.trustedTypes.createPolicy("SomeName2", { createScript: s => s }).createScript("A string")'],
+        TrustedScriptURL: ['window.trustedTypes.createPolicy("SomeName3", { createScriptURL: s => s }).createScriptURL("A string")'],
+        TrustedURL: ['window.trustedTypes.createPolicy("SomeName4", { createURL: s => s }).createURL("A string")']
       });
     },
     'Trusted Types'
diff --git a/tests/wpt/web-platform-tests/trusted-types/support/WorkerGlobalScope-importScripts.https.js b/tests/wpt/web-platform-tests/trusted-types/support/WorkerGlobalScope-importScripts.https.js
index 8665c695c92..fa63c8bad0f 100644
--- a/tests/wpt/web-platform-tests/trusted-types/support/WorkerGlobalScope-importScripts.https.js
+++ b/tests/wpt/web-platform-tests/trusted-types/support/WorkerGlobalScope-importScripts.https.js
@@ -1,4 +1,4 @@
-let test_setup_policy = TrustedTypes.createPolicy("hurrayanythinggoes", {
+let test_setup_policy = trustedTypes.createPolicy("hurrayanythinggoes", {
   createScriptURL: x => x
 });
 importScripts(test_setup_policy.createScriptURL("/resources/testharness.js"));
@@ -13,14 +13,14 @@ if (this.DedicatedWorkerGlobalScope !== undefined) {
   worker_type = "service worker";
 }
 
-let test_policy = TrustedTypes.createPolicy("xxx", {
+let test_policy = trustedTypes.createPolicy("xxx", {
   createScriptURL: url => url.replace("play", "work")
 });
 
 test(t => {
   self.result = "Fail";
   let trusted_url = test_policy.createScriptURL("player.js");
-  assert_true(this.TrustedTypes.isScriptURL(trusted_url));
+  assert_true(this.trustedTypes.isScriptURL(trusted_url));
   importScripts(trusted_url);  // worker.js modifies self.result.
   assert_equals(self.result, "Pass");
 }, "importScripts with TrustedScriptURL works in " + worker_type);
@@ -63,7 +63,7 @@ test(t => {
 }, "importScripts with two URLs, one trusted, in " + worker_type);
 
 // Test default policy application:
-TrustedTypes.createPolicy("default", {
+trustedTypes.createPolicy("default", {
   createScriptURL: url => url.replace("play", "work")
 }, true);
 test(t => {
diff --git a/tests/wpt/web-platform-tests/trusted-types/support/helper.sub.js b/tests/wpt/web-platform-tests/trusted-types/support/helper.sub.js
index 36ee24046ed..d63ff54ad60 100644
--- a/tests/wpt/web-platform-tests/trusted-types/support/helper.sub.js
+++ b/tests/wpt/web-platform-tests/trusted-types/support/helper.sub.js
@@ -40,19 +40,19 @@ function createLocationURLJS(value) {
 }
 
 function createHTML_policy(win, c) {
-  return win.TrustedTypes.createPolicy('SomeHTMLPolicyName' + c, { createHTML: createHTMLJS });
+  return win.trustedTypes.createPolicy('SomeHTMLPolicyName' + c, { createHTML: createHTMLJS });
 }
 
 function createScript_policy(win, c) {
-  return win.TrustedTypes.createPolicy('SomeScriptPolicyName' + c, { createScript: createScriptJS });
+  return win.trustedTypes.createPolicy('SomeScriptPolicyName' + c, { createScript: createScriptJS });
 }
 
 function createScriptURL_policy(win, c) {
-  return win.TrustedTypes.createPolicy('SomeScriptURLPolicyName' + c, { createScriptURL: createScriptURLJS });
+  return win.trustedTypes.createPolicy('SomeScriptURLPolicyName' + c, { createScriptURL: createScriptURLJS });
 }
 
 function createURL_policy(win, c) {
-  return win.TrustedTypes.createPolicy('SomeURLPolicyName' + c, { createURL: createURLJS });
+  return win.trustedTypes.createPolicy('SomeURLPolicyName' + c, { createURL: createURLJS });
 }
 
 function assert_element_accepts_trusted_html(win, c, t, tag, attribute, expected) {
diff --git a/tests/wpt/web-platform-tests/trusted-types/trusted-types-eval-reporting-no-unsafe-eval.tentative.https.html b/tests/wpt/web-platform-tests/trusted-types/trusted-types-eval-reporting-no-unsafe-eval.tentative.https.html
index dc865361750..e15ecfaa86c 100644
--- a/tests/wpt/web-platform-tests/trusted-types/trusted-types-eval-reporting-no-unsafe-eval.tentative.https.html
+++ b/tests/wpt/web-platform-tests/trusted-types/trusted-types-eval-reporting-no-unsafe-eval.tentative.https.html
@@ -48,7 +48,7 @@
     try { fn(); assert_unreached(); } catch (err) { /* ignore */ }
   }
 
-  // A sample policy we use to test TrustedTypes.createPolicy behaviour.
+  // A sample policy we use to test trustedTypes.createPolicy behaviour.
   const id = x => x;
   const a_policy = {
     createHTML: id,
@@ -57,7 +57,7 @@
     createScript: id,
   };
 
-  const scriptyPolicy = TrustedTypes.createPolicy('allowEval', a_policy);
+  const scriptyPolicy = trustedTypes.createPolicy('allowEval', a_policy);
 
   // Provoke/wait for a CSP violation, in order to be sure that all previous
   // CSP violations have been delivered.
@@ -96,7 +96,7 @@
   }, "Trusted Type violation report: evaluating a Trusted Script violates script-src.");
 
   promise_test(t => {
-    TrustedTypes.createPolicy('default', {
+    trustedTypes.createPolicy('default', {
       createScript: s => s.replace('payload', 'default policy'),
     }, true);
     let p = Promise.resolve()
diff --git a/tests/wpt/web-platform-tests/trusted-types/trusted-types-eval-reporting-report-only.tentative.https.html b/tests/wpt/web-platform-tests/trusted-types/trusted-types-eval-reporting-report-only.tentative.https.html
index 1fb65459468..bd8933a4835 100644
--- a/tests/wpt/web-platform-tests/trusted-types/trusted-types-eval-reporting-report-only.tentative.https.html
+++ b/tests/wpt/web-platform-tests/trusted-types/trusted-types-eval-reporting-report-only.tentative.https.html
@@ -48,7 +48,7 @@
     try { fn(); assert_unreached(); } catch (err) { /* ignore */ }
   }
 
-  // A sample policy we use to test TrustedTypes.createPolicy behaviour.
+  // A sample policy we use to test trustedTypes.createPolicy behaviour.
   const id = x => x;
   const a_policy = {
     createHTML: id,
@@ -57,7 +57,7 @@
     createScript: id,
   };
 
-  const scriptyPolicy = TrustedTypes.createPolicy('allowEval', a_policy);
+  const scriptyPolicy = trustedTypes.createPolicy('allowEval', a_policy);
 
   // Provoke/wait for a CSP violation, in order to be sure that all previous
   // CSP violations have been delivered.
@@ -93,7 +93,7 @@
   }, "Trusted Type violation report: evaluating a Trusted Script.");
 
   promise_test(t => {
-    TrustedTypes.createPolicy('default', {
+    trustedTypes.createPolicy('default', {
       createScript: s => s.replace('payload', 'default policy'),
     }, true);
     let p = promise_flush()();
diff --git a/tests/wpt/web-platform-tests/trusted-types/trusted-types-eval-reporting.tentative.https.html b/tests/wpt/web-platform-tests/trusted-types/trusted-types-eval-reporting.tentative.https.html
index 4ec5db1adce..c751ae1330c 100644
--- a/tests/wpt/web-platform-tests/trusted-types/trusted-types-eval-reporting.tentative.https.html
+++ b/tests/wpt/web-platform-tests/trusted-types/trusted-types-eval-reporting.tentative.https.html
@@ -42,7 +42,7 @@
     try { fn(); assert_unreached(); } catch (err) { /* ignore */ }
   }
 
-  // A sample policy we use to test TrustedTypes.createPolicy behaviour.
+  // A sample policy we use to test trustedTypes.createPolicy behaviour.
   const id = x => x;
   const a_policy = {
     createHTML: id,
@@ -50,7 +50,7 @@
     createURL: id,
     createScript: id,
   };
-  const scriptyPolicy = TrustedTypes.createPolicy('allowEval', a_policy);
+  const scriptyPolicy = trustedTypes.createPolicy('allowEval', a_policy);
 
   // Provoke/wait for a CSP violation, in order to be sure that all previous
   // CSP violations have been delivered.
@@ -88,7 +88,7 @@
 
   promise_test(t => {
     let beacon = 'never_overwritten';
-    TrustedTypes.createPolicy('default', {
+    trustedTypes.createPolicy('default', {
       createScript: s => s.replace('payload', 'default policy'),
     }, true);
     let p = promise_flush()();
diff --git a/tests/wpt/web-platform-tests/trusted-types/trusted-types-report-only.tentative.https.html b/tests/wpt/web-platform-tests/trusted-types/trusted-types-report-only.tentative.https.html
index f33183b4906..1a17d529fd1 100644
--- a/tests/wpt/web-platform-tests/trusted-types/trusted-types-report-only.tentative.https.html
+++ b/tests/wpt/web-platform-tests/trusted-types/trusted-types-report-only.tentative.https.html
@@ -34,9 +34,9 @@
     });
   }
 
-  // A sample policy we use to test TrustedTypes.createPolicy behaviour.
+  // A sample policy we use to test trustedTypes.createPolicy behaviour.
   const id = x => x;
-  const policy = TrustedTypes.createPolicy("two", {
+  const policy = trustedTypes.createPolicy("two", {
     createHTML: id,
     createScriptURL: id,
     createURL: id,
diff --git a/tests/wpt/web-platform-tests/trusted-types/trusted-types-reporting-check-report.https.html b/tests/wpt/web-platform-tests/trusted-types/trusted-types-reporting-check-report.https.html
index 111907788d2..fc98f5cbc58 100644
--- a/tests/wpt/web-platform-tests/trusted-types/trusted-types-reporting-check-report.https.html
+++ b/tests/wpt/web-platform-tests/trusted-types/trusted-types-reporting-check-report.https.html
@@ -15,7 +15,7 @@
 </head>
 <body>
   <script>
-    TrustedTypes.createPolicy("three", {});
+    trustedTypes.createPolicy("three", {});
   </script>
   <script async defer src='../content-security-policy/support/checkReport.sub.js?reportField=violated-directive&reportValue=trusted-types'></script>
 </body>
diff --git a/tests/wpt/web-platform-tests/trusted-types/trusted-types-reporting.tentative.https.html b/tests/wpt/web-platform-tests/trusted-types/trusted-types-reporting.tentative.https.html
index 0104ba35805..6a79fec07b6 100644
--- a/tests/wpt/web-platform-tests/trusted-types/trusted-types-reporting.tentative.https.html
+++ b/tests/wpt/web-platform-tests/trusted-types/trusted-types-reporting.tentative.https.html
@@ -72,7 +72,7 @@
     return e;
   } }
 
-  // A sample policy we use to test TrustedTypes.createPolicy behaviour.
+  // A sample policy we use to test trustedTypes.createPolicy behaviour.
   const id = x => x;
   const a_policy = {
     createHTML: id,
@@ -101,14 +101,14 @@
         .then(expect_sample("three"))
         .then(expect_blocked_uri("trusted-types-policy"))
         .then(promise_flush());
-    expect_throws(_ => TrustedTypes.createPolicy("three", a_policy));
+    expect_throws(_ => trustedTypes.createPolicy("three", a_policy));
     flush();
     return p;
   }, "Trusted Type violation report: creating a forbidden policy.");
 
   promise_test(t => {
     let p = promise_flush()();
-    expect_throws(_ => TrustedTypes.createPolicy("two", a_policy));
+    expect_throws(_ => trustedTypes.createPolicy("two", a_policy));
     flush();
     return p;
   }, "Trusted Type violation report: creating a report-only-forbidden policy.");
@@ -120,7 +120,7 @@
     let p = Promise.resolve()
         .then(promise_violation("trusted-types two"))
         .then(promise_flush());
-    policy_one = TrustedTypes.createPolicy("one", a_policy);
+    policy_one = trustedTypes.createPolicy("one", a_policy);
     flush();
     return p;
   }, "Trusted Type violation report: creating a forbidden-but-not-reported policy.");
diff --git a/tests/wpt/web-platform-tests/web-nfc/NDEFRecord_constructor.https.html b/tests/wpt/web-platform-tests/web-nfc/NDEFRecord_constructor.https.html
index aa3de01509c..7a0da33a543 100644
--- a/tests/wpt/web-platform-tests/web-nfc/NDEFRecord_constructor.https.html
+++ b/tests/wpt/web-platform-tests/web-nfc/NDEFRecord_constructor.https.html
@@ -63,7 +63,7 @@
         'Modifying the original buffer does not affect toArrayBuffer() content');
     assert_array_equals(new Uint8Array(data_3), original_data,
         'Modifying the original buffer does not affect toArrayBuffer() content');
-  }, 'NDEFRecord constructor with opaque data');
+  }, 'NDEFRecord constructor with opaque record type');
 
   test(() => {
     const record = new NDEFRecord(createJsonRecord(test_json_data));
@@ -82,7 +82,40 @@
         'toJSON() again returns another new object');
     assert_object_equals(data_2, test_json_data,
         'toJSON() has the same content with the original dictionary');
-  }, 'NDEFRecord constructor with json data');
+  }, 'NDEFRecord constructor with JSON record type');
+
+  test(() => {
+    let buffer = new ArrayBuffer(4);
+    let buffer_view = new Uint8Array(buffer);
+    let original_data = new Uint8Array([1, 2, 3, 4]);
+    buffer_view.set(original_data);
+    const record = new NDEFRecord(createRecord('foo.eXamPle.coM:bAr*-', undefined, buffer));
+    assert_equals(record.recordType, 'foo.example.com:bAr*-', 'recordType');
+    assert_equals(record.mediaType, 'application/octet-stream', 'mediaType');
+
+    const data_1 = record.toArrayBuffer();
+    assert_true(data_1 instanceof ArrayBuffer);
+    assert_not_equals(data_1, buffer, 'toArrayBuffer() returns a new object');
+    assert_array_equals(new Uint8Array(data_1), original_data,
+        'toArrayBuffer() has the same content with the original buffer');
+
+    const data_2 = record.toArrayBuffer();
+    assert_true(data_2 instanceof ArrayBuffer);
+    assert_not_equals(data_2, data_1,
+        'toArrayBuffer() again returns another new object');
+    assert_array_equals(new Uint8Array(data_2), original_data,
+        'toArrayBuffer() has the same content with the original buffer');
+
+    buffer_view.set([4, 3, 2, 1]);
+    const data_3 = record.toArrayBuffer();
+    assert_true(data_3 instanceof ArrayBuffer);
+    assert_array_equals(new Uint8Array(data_1), original_data,
+        'Modifying the original buffer does not affect toArrayBuffer() content');
+    assert_array_equals(new Uint8Array(data_2), original_data,
+        'Modifying the original buffer does not affect toArrayBuffer() content');
+    assert_array_equals(new Uint8Array(data_3), original_data,
+        'Modifying the original buffer does not affect toArrayBuffer() content');
+  }, 'NDEFRecord constructor with external record type');
 
   test(() => {
     assert_throws(new TypeError, () => new NDEFRecord(createRecord('EMptY')),
@@ -99,4 +132,17 @@
         'Unknown record type.');
   }, 'NDEFRecord constructor with record type string being treated as case sensitive');
 
+  test(() => {
+    assert_throws(new TypeError, () => new NDEFRecord(createRecord(
+        ':xyz', '', test_buffer_data)), 'The domain should not be empty.');
+    assert_throws(new TypeError, () => new NDEFRecord(createRecord(
+        '[:xyz', '', test_buffer_data)), '"[" is not a valid FQDN.');
+    assert_throws(new TypeError, () => new NDEFRecord(createRecord(
+        'example.com:', '', test_buffer_data)), 'The type should not be empty.');
+    assert_throws(new TypeError, () => new NDEFRecord(createRecord(
+        'example.com:xyz~', '', test_buffer_data)), 'The type should not contain \'~\'.');
+    assert_throws(new TypeError, () => new NDEFRecord(createRecord(
+        'example.com:xyz/', '', test_buffer_data)), 'The type should not contain \'/\'.');
+  }, 'NDEFRecord constructor with invalid external record type');
+
 </script>
diff --git a/tests/wpt/web-platform-tests/web-nfc/NFCReader_options.https.html b/tests/wpt/web-platform-tests/web-nfc/NFCReader_options.https.html
index 8b38f558a0a..5761747f907 100644
--- a/tests/wpt/web-platform-tests/web-nfc/NFCReader_options.https.html
+++ b/tests/wpt/web-platform-tests/web-nfc/NFCReader_options.https.html
@@ -48,6 +48,14 @@ const NFCReaderOptionTests =
       message: createMessage([createUrlRecord(test_url_data)])
     },
     {
+      desc: "Test that reading data succeed when NFCScanOptions'" +
+            " recordType is set to a custom type for external type records.",
+      scanOptions: {recordType: "w3.org:xyz"},
+      unmatchedScanOptions: {recordType: "opaque"},
+      message: createMessage([createRecord('w3.org:xyz', 'application/octet-stream',
+            test_buffer_data)])
+    },
+    {
       desc: "Test that the url of NFCScanOptions filters relevant data" +
             " sources correctly.",
       scanOptions: {url: `${location.origin}/custom/path`},
@@ -102,6 +110,14 @@ const ReadMultiMessagesTests =
       unmatchedMessage: createMessage([createTextRecord(test_text_data)])
     },
     {
+      desc: "Test that filtering external record from different messages" +
+            " correctly with NFCScanOptions' recordType is set to the custom type.",
+      scanOptions: {recordType: "w3.org:xyz"},
+      message: createMessage([createRecord('w3.org:xyz', 'application/octet-stream',
+            test_buffer_data)]),
+      unmatchedMessage: createMessage([createTextRecord(test_text_data)])
+    },
+    {
       desc: "Test that filtering 'text' record from different messages" +
             " correctly with NFCScanOptions' url set.",
       scanOptions: {url: `${location.origin}/custom/path`},
diff --git a/tests/wpt/web-platform-tests/web-nfc/NFCWriter_push.https.html b/tests/wpt/web-platform-tests/web-nfc/NFCWriter_push.https.html
index 50a230344a1..dda160f159a 100644
--- a/tests/wpt/web-platform-tests/web-nfc/NFCWriter_push.https.html
+++ b/tests/wpt/web-platform-tests/web-nfc/NFCWriter_push.https.html
@@ -48,7 +48,21 @@ const invalid_type_messages =
       // NDEFRecord.data for 'opaque' record must be ArrayBuffer.
       createMessage([createOpaqueRecord(test_text_data)]),
       createMessage([createOpaqueRecord(test_number_data)]),
-      createMessage([createOpaqueRecord(test_json_data)])
+      createMessage([createOpaqueRecord(test_json_data)]),
+
+      // https://w3c.github.io/web-nfc/#dfn-map-external-data-to-ndef
+      // NDEFRecord must have data.
+      createMessage([createRecord('w3.org:xyz', '', undefined)]),
+
+      // NDEFRecord.data for external record must be ArrayBuffer.
+      createMessage([createRecord('w3.org:xyz', '', test_text_data)]),
+      createMessage([createRecord('w3.org:xyz', '', test_number_data)]),
+      createMessage([createRecord('w3.org:xyz', '', test_json_data)]),
+
+      // https://w3c.github.io/web-nfc/#the-ndefrecordtype-string
+      // The record type is neither a known type ('text', 'json' etc.) nor a
+      // valid custom type for an external type record.
+      createMessage([createRecord('unmatched_type', '', test_buffer_data)])
     ];
 
 const invalid_syntax_messages =
@@ -266,11 +280,12 @@ nfc_test(async (t, mockNFC) => {
                                createJsonRecord(test_json_data),
                                createJsonRecord(test_number_data),
                                createOpaqueRecord(test_buffer_data),
-                               createUrlRecord(test_url_data)],
+                               createUrlRecord(test_url_data),
+                               createRecord('w3.org:xyz', '', test_buffer_data)],
                                test_message_origin);
   await writer.push(message);
   assertNDEFMessagesEqual(message, mockNFC.pushedMessage());
-}, "NFCWriter.push NDEFMessage containing text, json, opaque and url records \
+}, "NFCWriter.push NDEFMessage containing text, json, opaque, url and external records \
 with default NFCPushOptions.");
 
 nfc_test(async (t, mockNFC) => {