182     MarkBit mark_bit = Marking::MarkBitFrom(HeapObject::cast(obj));  in MarkObjectGreyDoNotEnqueue()  local
183     if (Marking::IsBlack(mark_bit)) {  in MarkObjectGreyDoNotEnqueue()
187     Marking::AnyToGrey(mark_bit);  in MarkObjectGreyDoNotEnqueue()
193                                        MarkBit mark_bit,  in MarkBlackOrKeepGrey()  argument
195   ASSERT(!Marking::IsImpossible(mark_bit));  in MarkBlackOrKeepGrey()
196   if (mark_bit.Get()) return;  in MarkBlackOrKeepGrey()
197   mark_bit.Set();  in MarkBlackOrKeepGrey()
199   ASSERT(Marking::IsBlack(mark_bit));  in MarkBlackOrKeepGrey()
204                                         MarkBit mark_bit,  in MarkBlackOrKeepBlack()  argument
206   ASSERT(!Marking::IsImpossible(mark_bit));  in MarkBlackOrKeepBlack()
207   if (Marking::IsBlack(mark_bit)) return;  in MarkBlackOrKeepBlack()
208   Marking::MarkBlack(mark_bit);  in MarkBlackOrKeepBlack()
210   ASSERT(Marking::IsBlack(mark_bit));  in MarkBlackOrKeepBlack()
320     MarkBit mark_bit = Marking::MarkBitFrom(heap_object);  in INLINE()  local
321     if (mark_bit.data_only()) {  in INLINE()
322       MarkBlackOrKeepGrey(heap_object, mark_bit, heap_object->Size());  in INLINE()
323     } else if (Marking::IsWhite(mark_bit)) {  in INLINE()
324       heap->incremental_marking()->WhiteToGreyAndPush(heap_object, mark_bit);  in INLINE()
332     MarkBit mark_bit = Marking::MarkBitFrom(heap_object);  in INLINE()  local
333     if (Marking::IsWhite(mark_bit)) {  in INLINE()
334       mark_bit.Set();  in INLINE()
365     MarkBit mark_bit = Marking::MarkBitFrom(heap_object);  in MarkObjectByPointer()  local
366     if (mark_bit.data_only()) {  in MarkObjectByPointer()
367       MarkBlackOrKeepGrey(heap_object, mark_bit, heap_object->Size());  in MarkObjectByPointer()
369       if (Marking::IsWhite(mark_bit)) {  in MarkObjectByPointer()
370         incremental_marking_->WhiteToGreyAndPush(heap_object, mark_bit);  in MarkObjectByPointer()
693         MarkBit mark_bit = Marking::MarkBitFrom(obj);  in UpdateMarkingDequeAfterScavenge()  local
694         ASSERT(Marking::IsGrey(mark_bit) ||  in UpdateMarkingDequeAfterScavenge()
695                (obj->IsFiller() && Marking::IsWhite(mark_bit)));  in UpdateMarkingDequeAfterScavenge()
705         MarkBit mark_bit = Marking::MarkBitFrom(obj);  in UpdateMarkingDequeAfterScavenge()  local
707         ASSERT(Marking::IsGrey(mark_bit) ||  in UpdateMarkingDequeAfterScavenge()
708                (obj->IsFiller() && Marking::IsWhite(mark_bit)) ||  in UpdateMarkingDequeAfterScavenge()
710                 Marking::IsBlack(mark_bit)));  in UpdateMarkingDequeAfterScavenge()
730   MarkBit mark_bit = Marking::MarkBitFrom(obj);  in VisitObject()  local
733   SLOW_ASSERT(Marking::IsGrey(mark_bit) ||  in VisitObject()
734               (obj->IsFiller() && Marking::IsWhite(mark_bit)) ||  in VisitObject()
736                Marking::IsBlack(mark_bit)));  in VisitObject()
738   MarkBlackOrKeepBlack(obj, mark_bit, size);  in VisitObject()
813       MarkBit mark_bit = Marking::MarkBitFrom(cache);  in Hurry()  local
814       if (Marking::IsGrey(mark_bit)) {  in Hurry()
815         Marking::GreyToBlack(mark_bit);  in Hurry()