Use is<>() / downcast<>() for DrawingAreaProxy subclasses
Created attachment 239384 [details] Patch
Created attachment 239388 [details] Patch
Comment on attachment 239388 [details] Patch r=me
Comment on attachment 239388 [details] Patch Clearing flags on attachment: 239388 Committed r174400: <http://trac.webkit.org/changeset/174400>
All reviewed patches have been landed. Closing bug.