Patch coming.
<rdar://problem/37469451>
Created attachment 333622 [details] proposed patch.
Comment on attachment 333622 [details] proposed patch. Thanks for the review.
Comment on attachment 333622 [details] proposed patch. Clearing flags on attachment: 333622 Committed r228397: <https://trac.webkit.org/changeset/228397>
All reviewed patches have been landed. Closing bug.