CoordinatedGraphicsLayer does not need to have a backing store if (!drawsContent() || !contentsAreVisible() || m_size.isEmpty()). It is a follow-up patch of Bug 101424. Bug 101424 missed this check in CoordinatedGraphicsLayer::updateContentBuffers()
Created attachment 175363 [details] Patch
ping
Comment on attachment 175363 [details] Patch Clearing flags on attachment: 175363 Committed r135490: <http://trac.webkit.org/changeset/135490>
All reviewed patches have been landed. Closing bug.
(In reply to comment #4) > All reviewed patches have been landed. Closing bug. Thanks for review!