Import wpt@42e8d3c188506894a81b55e157afcd2ffa119b1c

Using wpt-import in Chromium aa344914f87ca7b5c9f210b0bf075e57d656d3b7.
With Chromium commits locally applied on WPT:
0a8f3ffa48 "Use testdriver Action API in WPT pointerevent touch tests - Part 2"
4e9215207a "[Code Health] Remove unnecessary reference file for web test"
40465b7400 "[Animation Worklet] Copy the effects of a migrating animator over to new global scope"
e28269b698 "[LayoutNG/PE] Clear visual overflow for LayoutText before setting."
aff3c8feca "Add tests for and"
143d2905e8 "[WPT/common/security-features] Stop using assert_* from common.js"
c4dc34414b "[WPT] Reland Upload a test for sending mouse events with key pressed"
9c8d643a8d "[Resource-Timing] Fixup nested object tests. Add an extra check."

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: Id5bfc83bc3e331b4d30ba69ed18a2057c3a16f2c
Reviewed-by: WPT Autoroller <>
Commit-Queue: WPT Autoroller <>
Cr-Commit-Position: refs/heads/master@{#653922}
14 files changed