Missing null check.
<rdar://problem/26259618>
Created attachment 279434 [details] Proposed Fix
Comment on attachment 279434 [details] Proposed Fix Oops. r=me
Comment on attachment 279434 [details] Proposed Fix Clearing flags on attachment: 279434 Committed r201190: <http://trac.webkit.org/changeset/201190>
All reviewed patches have been landed. Closing bug.