rootFixedBackgroundsChanged  153 Source/core/rendering/RenderBox.cpp                 view()->compositor()->rootFixedBackgroundsChanged();
rootFixedBackgroundsChanged 1306 Source/core/rendering/compositing/CompositedLayerMapping.cpp         compositor()->rootFixedBackgroundsChanged();
rootFixedBackgroundsChanged  172 Source/core/rendering/compositing/RenderLayerCompositor.h     void rootFixedBackgroundsChanged();