DetermineSubregionFlags  489 Source/platform/graphics/filters/FilterEffect.cpp FloatRect FilterEffect::determineFilterPrimitiveSubregion(DetermineSubregionFlags flags)
DetermineSubregionFlags  175 Source/platform/graphics/filters/FilterEffect.h     FloatRect determineFilterPrimitiveSubregion(DetermineSubregionFlags = DetermineSubregionNone);