Revert r255547
Created attachment 390151 [details] Patch
Comment on attachment 390151 [details] Patch ChangeLog should probably have rationale.
Retitled from "Revert r255547, r255890, r255892, r255893, and r255901".
I'll update the Changelog.
Created attachment 390157 [details] Patch
Created attachment 390158 [details] Patch
Comment on attachment 390158 [details] Patch r=me with testing of your build.
Looks like this requires one more additional patch to roll out.
Created attachment 390162 [details] Patch
Created attachment 390163 [details] Patch
https://trac.webkit.org/changeset/256086/webkit
<rdar://problem/59282501>