Import wpt@3f1b4beb5141795dbc23e862413e0290121ab50c

https://github.com/web-platform-tests/wpt/compare/c67ae7389...3f1b4beb5

Using wpt-import in Chromium 9ea24cac1e2b2fb2ea24acc39006bd3c93e8cf2d.
With Chromium commits locally applied on WPT:
  008b5bd30f "Support PaintTimingMixin in LCP"
  ba7adfd3c1 "Add web platform test for CSP frame-ancestors with path"

Note to gardeners: This CL imports external tests and adds expectations
for those tests; if this CL is large and causes a few new failures,
please fix the failures by adding new lines to TestExpectations rather
than reverting. See:
https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md

Directory owners for changes in this CL:
vogelheim@chromium.org:
  external/wpt/trusted-types

NOAUTOREVERT=true
R=rubber-stamper@appspot.gserviceaccount.com

No-Export: true
Cq-Include-Trybots: luci.chromium.try:linux-blink-rel
Change-Id: If2a832f1efc4c60717de083b28ae63b82033d5c9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6098926
Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Auto-Submit: WPT Autoroller <wpt-autoroller@chops-service-accounts.iam.gserviceaccount.com>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#1397756}