Import wpt@ce57fd5f8bba9b7538eb606d2b78cb8f03d33a77

Using wpt-import in Chromium d2402dd2fa530657f0be36f6cc74d41f71d894e6.
With Chromium commits locally applied on WPT:
1c633d483b "Snap the snapped_dest_rect for backgrounds"
1061788dd2 "Reland "Add quota usage details tests for all other storage backends.""
bcd3934d05 "Add a test for ServiceWorker and AppCache interaction with claim()"
4836c563b1 "Change web platform test with mouse inputs under "pinterevents/""
d2402dd2fa "[Animation Worklet] Upstream worklet animation with fill mode test to WPT"


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:
mkwst@chromium.org, andypaicu@chromium.org:
  external/wpt/content-security-policy
worker-dev@chromium.org:
  external/wpt/worklets

NOAUTOREVERT=true
TBR=robertma

No-Export: true
Change-Id: I045f45036b5dfd2802c63d4728d37648f91c615c
Reviewed-on: https://chromium-review.googlesource.com/c/1405437
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@{#621740}
17 files changed