Import wpt@405751fab6fec48b30c28bfa0f6b86fe056ee425

Using wpt-import in Chromium 689d7721bbafcda6e390fba50781283a08b0ad50.
With Chromium commits locally applied on WPT:
68d5240e06 "[ChromeDriver] Set key modifiers with mouse actions"
682affef9b "Implemented setPlaybackRate for scroll-linked Worklet Animations."
2b037bdc25 "[Animation Worklet] Fix flaky worklet-animation-with-fill-mode.https.html"
fc735f1b74 "[IndexedDB] Fixed DisjointRangeLockManager usage in IndexedDB"
ab40da96c1 "Isolation: Remove isolation if we have non-svg replaced content."

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:


No-Export: true
Change-Id: Ib6bf6d90b468c369584d691af024594fd9066ba0
Reviewed-by: WPT Autoroller <>
Commit-Queue: WPT Autoroller <>
Cr-Commit-Position: refs/heads/master@{#638555}
13 files changed