Revert http://trac.webkit.org/changeset/150047 It introduced unwanted behavioral differences between Retina and non-Retina Mac hardware. * platform/graphics/ca/GraphicsLayerCA.cpp: (WebCore::GraphicsLayerCA::requiresTiledLayer): (WebCore::GraphicsLayerCA::computePixelAlignment): git-svn-id: http://svn.webkit.org/repository/webkit/trunk@150135 268f45cc-cd09-0410-ab3c-d52691b4dbfc