updateIsRootForIsolatedGroup  236 Source/core/rendering/compositing/CompositedLayerMapping.cpp         updateIsRootForIsolatedGroup();
updateIsRootForIsolatedGroup  870 Source/core/rendering/compositing/CompositedLayerMapping.cpp         updateIsRootForIsolatedGroup();
updateIsRootForIsolatedGroup  248 Source/core/rendering/compositing/CompositedLayerMapping.h     void updateIsRootForIsolatedGroup();