<rdar://problem/64980223>
Created attachment 404871 [details] For EWS
Created attachment 404872 [details] For EWS
Created attachment 404873 [details] For EWS
Created attachment 404885 [details] Patch
Committed r264690: <https://trac.webkit.org/changeset/264690> All reviewed patches have been landed. Closing bug and clearing flags on attachment 404885 [details].