So that when we turn on tiled drawing for mac-wk2 on all tests, we don't need separate results for every test that deals with GraphicsLayer tree dumps. This *will* require rebaselining the current tiled-drawing tests, though.
Created attachment 213115 [details] preliminary patch
Comment on attachment 213115 [details] preliminary patch Attachment 213115 [details] did not pass win-ews (win): Output: http://webkit-queues.appspot.com/results/2908159
Created attachment 213118 [details] fix windows
Comment on attachment 213118 [details] fix windows View in context: https://bugs.webkit.org/attachment.cgi?id=213118&action=review > Source/WebCore/rendering/RenderLayerBacking.cpp:2095 > + return (m_isMainFrameRenderViewLayer && layer && layer == m_childContainmentLayer.get()); No need for the parentheses here.
http://trac.webkit.org/changeset/156749