Move FallbackDedupSet to FontCache
Created attachment 446458 [details] Patch
Comment on attachment 446458 [details] Patch oh awesome this is super good
<rdar://problem/86549808>
Created attachment 461037 [details] Patch
Committed 252709@main (3bb88af99f3b): <https://commits.webkit.org/252709@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 461037 [details].