We need a class capable of collecting CounterStyle references and resolve their fallback and Extend references.
<rdar://problem/103685490>
Pull request: https://github.com/WebKit/WebKit/pull/8127
Committed 258510@main (316bd081ae8d): <https://commits.webkit.org/258510@main> Reviewed commits have been landed. Closing PR #8127 and removing active labels.