hasReferenceFilter 3960 Source/core/rendering/RenderLayer.cpp     if (filters.hasReferenceFilter()) {
hasReferenceFilter 3990 Source/core/rendering/RenderLayer.cpp     if (renderer()->style()->filter().hasReferenceFilter())
hasReferenceFilter   73 Source/platform/graphics/filters/FilterOperations.h     bool hasReferenceFilter() const;