Related chromium bug: http://code.google.com/p/chromium/issues/detail?id=161699 A div using a background-image that references a 2D canvas is not getting re-rendered when the canvas contents change. This is an issue with the CC tiled layer not receiving the appropriate invalidation.
Created attachment 176767 [details] Patch
Comment on attachment 176767 [details] Patch OK. r=me
Comment on attachment 176767 [details] Patch Clearing flags on attachment: 176767 Committed r136262: <http://trac.webkit.org/changeset/136262>
All reviewed patches have been landed. Closing bug.