Use std::variant instead of WTF::Variant
Created attachment 440993 [details] Patch
Created attachment 441006 [details] Patch
Comment on attachment 441006 [details] Patch r=me once the bots are happy.
Created attachment 441009 [details] Patch
Committed r284075 (242903@main): <https://commits.webkit.org/242903@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 441009 [details].
<rdar://problem/84176705>