This enables us to remove the run loop in InlineContentBuilder::createDisplayLineRuns (upcoming patch)
Created attachment 436801 [details] Patch
Created attachment 436841 [details] Patch
Created attachment 436881 [details] Patch
Committed r281804 (241140@main): <https://commits.webkit.org/241140@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 436881 [details].
<rdar://problem/82580229>