46     if (incremental_marking_.marking_state()->IsWhite(object) &&  in Step()
49         incremental_marking_.marking_state()->WhiteToBlack(object);  in Step()
82   DCHECK(!marking_state()->IsImpossible(value_heap_obj));  in BaseRecordWrite()
83   DCHECK(!marking_state()->IsImpossible(obj));  in BaseRecordWrite()
89   const bool need_recording = marking_state()->IsBlack(obj);  in BaseRecordWrite()
127   if (marking_state()->WhiteToGrey(obj)) {  in WhiteToGreyAndPush()
139   marking_state()->WhiteToGrey(obj);  in MarkBlackAndPush()
140   if (marking_state()->GreyToBlack(obj)) {  in MarkBlackAndPush()
156   MarkBit old_mark_bit = marking_state()->MarkBitFrom(from);  in NotifyLeftTrimming()
157   MarkBit new_mark_bit = marking_state()->MarkBitFrom(to);  in NotifyLeftTrimming()
483       marking_state()->IsWhite(HeapObject::cast(constructor))) {  in ShouldRetainMap()
515         marking_state()->IsWhite(map)) {  in RetainMaps()
521           marking_state()->IsWhite(HeapObject::cast(prototype))) {  in RetainMaps()
580       heap()->minor_mark_compact_collector()->marking_state();  in UpdateMarkingWorklistAfterScavenge()
600       DCHECK_IMPLIES(marking_state()->IsWhite(obj), obj->IsFiller());  in UpdateMarkingWorklistAfterScavenge()
627       DCHECK_IMPLIES(marking_state()->IsWhite(obj), obj->IsFiller());  in UpdateMarkingWorklistAfterScavenge()
735   DCHECK(marking_state()->IsGrey(obj) || marking_state()->IsBlack(obj));  in VisitObject()
736   if (!marking_state()->GreyToBlack(obj)) {  in VisitObject()
747   DCHECK(marking_state()->IsBlack(obj));  in VisitObject()
750                                            marking_state());  in VisitObject()
755   if (IsMarking() && marking_state()->IsBlack(obj)) {  in ProcessBlackAllocatedObject()
762   DCHECK(FLAG_concurrent_marking || marking_state()->IsBlack(obj));  in RevisitObject()
770                                            marking_state());  in RevisitObject()
789       DCHECK(!marking_state()->IsImpossible(obj));  in ProcessMarkingWorklist()