This was forgotten from bug 72331 and bug 72438. Trivial patch forthcoming.
Created attachment 115471 [details] Trivial 'fix'
Comment on attachment 115471 [details] Trivial 'fix' Clearing flags on attachment: 115471 Committed r100546: <http://trac.webkit.org/changeset/100546>
All reviewed patches have been landed. Closing bug.