Import wpt@ec979384f0340b8d18c3512f02f42b65bd5f456c

https://github.com/web-platform-tests/wpt/compare/61e8b3194...ec979384f

Using wpt-import in Chromium efca6d6cbe579048507390bd803d49039e9951db.
With Chromium commits locally applied on WPT:
  d0d6ca4ece "Revert "webnn: add int4 and uint4 support for [...]

Note to gardeners: 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/+/main/docs/testing/web_platform_tests.md

Directory owners for changes in this CL:
cbiesinger@chromium.org:
  external/wpt/css/css-sizing

NOAUTOREVERT=true
R=rubber-stamper@appspot.gserviceaccount.com

No-Export: true
Cq-Include-Trybots: luci.chromium.try:linux-blink-rel
Change-Id: I1726580ee9c4673ed884d7502a1d9d6863f29e5f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5912985
Auto-Submit: WPT Autoroller <wpt-autoroller@chops-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#1365734}