setBackgroundFilters 1159 Source/platform/graphics/GraphicsLayer.cpp     m_layer->layer()->setBackgroundFilters(*webFilters);
setBackgroundFilters  215 Source/platform/graphics/GraphicsLayer.h     void setBackgroundFilters(const FilterOperations&);
setBackgroundFilters  137 public/platform/WebLayer.h     virtual void setBackgroundFilters(const WebFilterOperations&) = 0;