It had a good run, but WindowShell should be renamed to WindowProxy.
Created attachment 312713 [details] Patch
Comment on attachment 312713 [details] Patch r=me
Comment on attachment 312713 [details] Patch Clearing flags on attachment: 312713 Committed r218179: <http://trac.webkit.org/changeset/218179>
All reviewed patches have been landed. Closing bug.