There was some code in here that ESLint's "no-undef" complained about and would have thrown warnings. Turns out this code was completely unused.
Created attachment 237836 [details] [PATCH] Proposed Fix
Comment on attachment 237836 [details] [PATCH] Proposed Fix Clearing flags on attachment: 237836 Committed r173463: <http://trac.webkit.org/changeset/173463>
All reviewed patches have been landed. Closing bug.