We need an 'isRootLayer()' method on RenderLayer that works even when the layer is not rooted.
Created attachment 27408 [details] Patch, changelog
Comment on attachment 27408 [details] Patch, changelog Looks sane.
Committing to http://svn.webkit.org/repository/webkit/trunk ... M WebCore/ChangeLog M WebCore/rendering/RenderLayer.h M WebCore/rendering/RenderLayerBacking.cpp M WebCore/rendering/RenderLayerCompositor.cpp Committed r40731