The spec CSSImportRule IDL was updated to merge layer extensions into CSSOM (the main interface). Spec PR: https://github.com/w3c/csswg-drafts/pull/8711
Pull request: https://github.com/CanadaHonk/WebKit/pull/1
Correct pull request: https://github.com/WebKit/WebKit/pull/14034 Script automatically opened PR in fork instead of upstream (first-time)
Committed 264261@main (da477790afb9): <https://commits.webkit.org/264261@main> Reviewed commits have been landed. Closing PR #14034 and removing active labels.
<rdar://problem/109570827>