canSquashIntoCurrentSquashingOwner 1179 Source/core/rendering/compositing/RenderLayerCompositor.cpp     if (layerSquashingEnabled() && requiresSquashing(layer->compositingReasons()) && !canSquashIntoCurrentSquashingOwner(layer, squashingState))
canSquashIntoCurrentSquashingOwner  232 Source/core/rendering/compositing/RenderLayerCompositor.h     bool canSquashIntoCurrentSquashingOwner(const RenderLayer* candidate, const SquashingState&);