This problem was introduced by https://bugs.webkit.org/show_bug.cgi?id=111749
Created attachment 207108 [details] Patch
Comment on attachment 207108 [details] Patch r=me, we need a radar and to track this internally.
<rdar://problem/14494580>
Comment on attachment 207108 [details] Patch Clearing flags on attachment: 207108 Committed r152907: <http://trac.webkit.org/changeset/152907>
All reviewed patches have been landed. Closing bug.