In https://bugs.webkit.org/show_bug.cgi?id=221407#c13, Darin pointed out a few improvements to r273073. This change tracks implementing those.
Created attachment 420987 [details]
Comment on attachment 420987 [details]
It looks like the Windows failure here is unrelated to this change.
ChangeLog entry in Source/WebCore/ChangeLog contains OOPS!.
Committed r273219: <https://commits.webkit.org/r273219>
All reviewed patches have been landed. Closing bug and clearing flags on attachment 420987 [details].