https://www.w3.org/TR/css-highlight-api-1/#highlight-types
<rdar://problem/110036068>
Pull request: https://github.com/WebKit/WebKit/pull/14552
Submitted web-platform-tests pull request: https://github.com/web-platform-tests/wpt/pull/40348
Committed 264875@main (847e191c9626): <https://commits.webkit.org/264875@main> Reviewed commits have been landed. Closing PR #14552 and removing active labels.