Avoid a couple of potential NULL dereferences.
<rdar://problem/19319302>
Created attachment 243606 [details] Proposed patch.
Comment on attachment 243606 [details] Proposed patch. Regression test?
Comment on attachment 243606 [details] Proposed patch. Clearing flags on attachment: 243606 Committed r177625: <http://trac.webkit.org/changeset/177625>
All reviewed patches have been landed. Closing bug.