Notably [content-visibility=hidden] and [content-visibility=auto] + skipped content info should be logged.
Pull request: https://github.com/WebKit/WebKit/pull/18182
<rdar://problem/116013274>
Committed 268411@main (abab8aa0b223): <https://commits.webkit.org/268411@main> Reviewed commits have been landed. Closing PR #18182 and removing active labels.