This bug fixes <https://webkit.org/b/193228#c8>.
<rdar://problem/47398091>
Created attachment 359544 [details] Patch
Comment on attachment 359544 [details] Patch r=me
Comment on attachment 359544 [details] Patch Clearing flags on attachment: 359544 Committed r240188: <https://trac.webkit.org/changeset/240188>
All reviewed patches have been landed. Closing bug.