Import wpt@012de5bb12d78ad7135c26b15fc24f366b1c5845

Using wpt-import in Chromium ef0633a4ab86bd7f08d56a920699df1f23a71747.
With Chromium commits locally applied on WPT:
250461b340 "Worker: Register a service worker just once for worker subresource interception tests"
1e9c7b68de "[Client hints] Enable ACHL persistence in content shell, refactor tests"
ee7626e705 "Fixing tranferFromimageBitmap-toBlob-offscreen.html to not be flaky"


Note to sheriffs: 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/+/master/docs/testing/web_platform_tests.md

Directory owners for changes in this CL:
chcunningham@chromium.org, wolenetz@chromium.org:
  external/wpt/media-source

NOAUTOREVERT=true
TBR=robertma

No-Export: true
Change-Id: Ic8d6da14ae3cefb0a9830d34d407027a63058313
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1704750
Reviewed-by: WPT Autoroller <wpt-autoroller@chops-service-accounts.iam.gserviceaccount.com>
Commit-Queue: WPT Autoroller <wpt-autoroller@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#678022}
2 files changed