UnknownPointer    604 Source/core/css/MediaQueryEvaluator.cpp     if (pointer == MediaValues::UnknownPointer)
UnknownPointer    625 Source/core/css/MediaQueryEvaluator.cpp     if (pointer == MediaValues::UnknownPointer)
UnknownPointer    129 Source/core/css/MediaValues.cpp     return MediaValues::UnknownPointer;
UnknownPointer     79 Source/core/css/MediaValues.h         , m_pointer(UnknownPointer)