There are some apple_addition functions which are no longer needed.
<rdar://problem/38236407>
Created attachment 335223 [details] Patch
Comment on attachment 335223 [details] Patch Seems fine as per our in-person discussion.
Comment on attachment 335223 [details] Patch Clearing flags on attachment: 335223 Committed r229380: <https://trac.webkit.org/changeset/229380>
All reviewed patches have been landed. Closing bug.