https://w3c.github.io/csswg-drafts/css-fonts-5/#size-adjust-desc
<rdar://problem/106349717>
Pull request: https://github.com/WebKit/WebKit/pull/13097
Committed 263604@main (97f82bc0e98c): <https://commits.webkit.org/263604@main> Reviewed commits have been landed. Closing PR #13097 and removing active labels.