<rdar://problem/39146327>
Created attachment 338318 [details] Patch
Created attachment 338319 [details] Patch
The second patch uploaded was for a different bug, I marked it obsolete and un-obsoleted the first patch.
ping review.
Comment on attachment 338318 [details] Patch Clearing flags on attachment: 338318 Committed r231198: <https://trac.webkit.org/changeset/231198>
All reviewed patches have been landed. Closing bug.