WPT import https://crrev.com/c/860631 introduced new failures in external/wpt/FileAPI:

List of new failures:
external/wpt/FileAPI/url/url-with-xhr.any.html new failing tests: https://crrev.com/c/860631/4/third_party/WebKit/LayoutTests/external/wpt/FileAPI/url/url-with-xhr.any-expected.txt
external/wpt/FileAPI/url/cross-global-revoke.sub.html new failing tests: https://crrev.com/c/860631/4/third_party/WebKit/LayoutTests/external/wpt/FileAPI/url/cross-global-revoke.sub-expected.txt
external/wpt/FileAPI/url/sandboxed-iframe.html new failing tests: https://crrev.com/c/860631/4/third_party/WebKit/LayoutTests/external/wpt/FileAPI/url/sandboxed-iframe-expected.txt
external/wpt/FileAPI/url/url-with-fetch.any.html new failing tests: https://crrev.com/c/860631/4/third_party/WebKit/LayoutTests/external/wpt/FileAPI/url/url-with-fetch.any-expected.txt

This import contains upstream changes from 34b8d05ca696a27511585fc97d5267b8fbb485d2 to a1de23740cb079b71517dff563b919416198e6ca:
Fix virtualenv creation when Python 3 is the default (#8982): https://github.com/w3c/web-platform-tests/commit/a1de23740cb079b71517dff563b919416198e6ca
webdriver: add timeouts test cases to create new session tests (#8975): https://github.com/w3c/web-platform-tests/commit/d44e0531e8ca9b0e44a794a013b5cc42f22f5528
Added test for CSS3 content replacement: https://github.com/w3c/web-platform-tests/commit/e7ec4e517d53868f14baa285c93c97fa67c89c8c
Add WPT test coverage for getStats() returning stats for tracks/streams.: https://github.com/w3c/web-platform-tests/commit/8e2b96bd26228845375eb6c1d1aef8c04917b603
Merge pull request #8963 from cvazac/server-timing-parsing-tests: https://github.com/w3c/web-platform-tests/commit/4c88b630f6ffb60a251a6e8ce8a7558b56391e18
Add references for CSS2/tables: https://github.com/w3c/web-platform-tests/commit/4d3753de98b5b2851a42b8a42945f84a58cb48a3
only whitelist server-timing header files: https://github.com/w3c/web-platform-tests/commit/cba1629121786c1facc4fe2fbb212c4912a881ef
Do not propagate style from parent box to anonymous inline wrappers.: https://github.com/w3c/web-platform-tests/commit/0fe6d6025330a83dcce602456c32544a04a3eb1e
Merge pull request #8974 from w3c/sync_280005efe04503f14891d73c6ceab1077a59a735: https://github.com/w3c/web-platform-tests/commit/c26470dac73f2df9d4822a0d3482f7eb1ebf57d9
Merge pull request #8973 from w3c/sync_b11f8302b28b6d06def0bb5903c893fcc1f1a5b9: https://github.com/w3c/web-platform-tests/commit/be789254750f3abd9a485ac404fed9284cbead4f
Merge pull request #8972 from w3c/sync_bf416579c81e416ded29292fc00ac6356105b4cd: https://github.com/w3c/web-platform-tests/commit/328dad549efac170103004ab2f5a131a45ebc57c
Merge pull request #8971 from w3c/sync_333ee070c00b1666dff2eb85825897a01cbd9392: https://github.com/w3c/web-platform-tests/commit/95f41f647db9d45b4c4650538b97ad8e5e5c2d7c
Merge pull request #8970 from w3c/sync_9401e7a4d8bf964b4a931b20382408f7d2bf1679: https://github.com/w3c/web-platform-tests/commit/a64b0266dcea5a4bc5e8c08443b4e8da8588cc9b
Avoid for(const ... of ...) usage in webidl parser.: https://github.com/w3c/web-platform-tests/commit/280005efe04503f14891d73c6ceab1077a59a735
implement valid Date time Local input: https://github.com/w3c/web-platform-tests/commit/b11f8302b28b6d06def0bb5903c893fcc1f1a5b9
replace DocumentSource::NotFromParser with DocumentSource::FromParser: https://github.com/w3c/web-platform-tests/commit/bf416579c81e416ded29292fc00ac6356105b4cd
Correctly place images with background-position: center: https://github.com/w3c/web-platform-tests/commit/333ee070c00b1666dff2eb85825897a01cbd9392
Implement correct corner clipping for background color: https://github.com/w3c/web-platform-tests/commit/9401e7a4d8bf964b4a931b20382408f7d2bf1679
Upstream regions-webvtt tests: https://github.com/w3c/web-platform-tests/commit/35098b08deb69361d4624939adf5b7896f15a837
Implement relList attribute for HTMLAreaElement: https://github.com/w3c/web-platform-tests/commit/ca5076d3d77bee6fa19fb96da68d22549caf0ad5
bluetooth: Migrate accept all devices tests: https://github.com/w3c/web-platform-tests/commit/c35c1d14ba105c076b21b39b74c566f3b5f790e8
[css-typed-om] Add IDL tests for StylePropertyMap(ReadOnly).: https://github.com/w3c/web-platform-tests/commit/32856fd31a0019386e9d64a8d43ed2f66df18c56
Null check GetNode() for SVG layout object children.: https://github.com/w3c/web-platform-tests/commit/293354deb3c604cb101c6c24eae2d682ec9b8232
add test to verify case of name and description: https://github.com/w3c/web-platform-tests/commit/c573ea2d431697818eca2f74e2d010955e3fcbac
web-platform-tests port of all server-timing parsing tests: https://github.com/w3c/web-platform-tests/commit/1203f930dccf8af65ddad91565d7bf0ff63470cb
RTCRtpSender.replaceTrack added behind flag.: https://github.com/w3c/web-platform-tests/commit/17c7fc26c16ae7a7fb2bfce32c4043b0ac5ccc88
Refactor and improve Blob URL tests. (#8612): https://github.com/w3c/web-platform-tests/commit/9d8a1855092e90b2974453d6181c7f985170deba [affecting this directory]
bluetooth: Migrate server connection tests: https://github.com/w3c/web-platform-tests/commit/ec972dc7127c3841a57fbaef2ae3148a6c1e1b8b
AmbientLightSensor FP test needs title: https://github.com/w3c/web-platform-tests/commit/657ac6f0fcf8daedb5f689ea029d3c9f3bfcaa47