[chromium] Null out Canvas2DLayerChromium's back reference to DrawingBuffer on destruction
Created attachment 66526 [details] Patch
Comment on attachment 66526 [details] Patch Looks good to me.
Comment on attachment 66526 [details] Patch Clearing flags on attachment: 66526 Committed r66780: <http://trac.webkit.org/changeset/66780>
All reviewed patches have been landed. Closing bug.