Optimize further the passing of data across threads.
Created attachment 454302 [details] Patch
Created attachment 454304 [details] Patch
Created attachment 454307 [details] Patch
Created attachment 454308 [details] Patch
Created attachment 454360 [details] Patch
Comment on attachment 454360 [details] Patch r=me
Committed r291123 (248283@main): <https://commits.webkit.org/248283@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 454360 [details].
<rdar://problem/90112799>