Import wpt@c483fe4ed3e69bf1f9faf8e06ef39b8405dd7625

Using wpt-import in Chromium 1f46b374ce939d811efd0f43a9222b958e847594.

Build: https://ci.chromium.org/buildbot/chromium.infra.cron/wpt-importer/21559

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

TBR=foolip

No-Export: true
Change-Id: I06dd93fb9a06214970f605caa5223688fd048540
Reviewed-on: https://chromium-review.googlesource.com/1143701
Commit-Queue: Blink WPT Bot <blink-w3c-test-autoroller@chromium.org>
Reviewed-by: Blink WPT Bot <blink-w3c-test-autoroller@chromium.org>
Cr-Commit-Position: refs/heads/master@{#576580}
6 files changed