ObjectColor       394 src/mark-compact.cc   ObjectColor old_color = Color(old_mark_bit);
ObjectColor       413 src/mark-compact.cc   ObjectColor new_color = Color(new_mark_bit);
ObjectColor       124 src/mark-compact.h   static const char* ColorName(ObjectColor color) {
ObjectColor       134 src/mark-compact.h   static ObjectColor Color(HeapObject* obj) {
ObjectColor       138 src/mark-compact.h   static ObjectColor Color(MarkBit mark_bit) {