isPropertyShorthandAvailable  752 Source/core/css/StylePropertySerializer.cpp     if (isPropertyShorthandAvailable(backgroundShorthand())) {
isPropertyShorthandAvailable  791 Source/core/css/StylePropertySerializer.cpp     } else if (isPropertyShorthandAvailable(backgroundPositionShorthand())) {
isPropertyShorthandAvailable   50 Source/core/css/StylePropertySerializer.h     bool isPropertyShorthandAvailable(const StylePropertyShorthand&) const;