REGRESSION (r159208): Crash when clicking scrubber after navigating away/back to video
Created attachment 239820 [details] Patch
<rdar://problem/18638597>
Comment on attachment 239820 [details] Patch Clearing flags on attachment: 239820 Committed r174720: <http://trac.webkit.org/changeset/174720>
All reviewed patches have been landed. Closing bug.