| Index: src/mark-compact.cc | 
| diff --git a/src/mark-compact.cc b/src/mark-compact.cc | 
| index b93460d9a7908efffda7af2468214370c3e4f248..17ac4a8bcd583726136e157f56cdcc275c84158b 100644 | 
| --- a/src/mark-compact.cc | 
| +++ b/src/mark-compact.cc | 
| @@ -79,11 +79,13 @@ MarkCompactCollector::MarkCompactCollector() :  // NOLINT | 
| #ifdef VERIFY_HEAP | 
| class VerifyMarkingVisitor: public ObjectVisitor { | 
| public: | 
| +  explicit VerifyMarkingVisitor(Heap* heap) : heap_(heap) {} | 
| + | 
| void VisitPointers(Object** start, Object** end) { | 
| for (Object** current = start; current < end; current++) { | 
| if ((*current)->IsHeapObject()) { | 
| HeapObject* object = HeapObject::cast(*current); | 
| -        CHECK(HEAP->mark_compact_collector()->IsMarked(object)); | 
| +        CHECK(heap_->mark_compact_collector()->IsMarked(object)); | 
| } | 
| } | 
| } | 
| @@ -97,11 +99,14 @@ class VerifyMarkingVisitor: public ObjectVisitor { | 
| VisitPointer(rinfo->target_object_address()); | 
| } | 
| } | 
| + | 
| + private: | 
| +  Heap* heap_; | 
| }; | 
|  | 
|  | 
| -static void VerifyMarking(Address bottom, Address top) { | 
| -  VerifyMarkingVisitor visitor; | 
| +static void VerifyMarking(Heap* heap, Address bottom, Address top) { | 
| +  VerifyMarkingVisitor visitor(heap); | 
| HeapObject* object; | 
| Address next_object_must_be_here_or_later = bottom; | 
|  | 
| @@ -129,7 +134,7 @@ static void VerifyMarking(NewSpace* space) { | 
| NewSpacePage* page = it.next(); | 
| Address limit = it.has_next() ? page->area_end() : end; | 
| CHECK(limit == end || !page->Contains(end)); | 
| -    VerifyMarking(page->area_start(), limit); | 
| +    VerifyMarking(space->heap(), page->area_start(), limit); | 
| } | 
| } | 
|  | 
| @@ -139,7 +144,7 @@ static void VerifyMarking(PagedSpace* space) { | 
|  | 
| while (it.has_next()) { | 
| Page* p = it.next(); | 
| -    VerifyMarking(p->area_start(), p->area_end()); | 
| +    VerifyMarking(space->heap(), p->area_start(), p->area_end()); | 
| } | 
| } | 
|  | 
| @@ -153,7 +158,7 @@ static void VerifyMarking(Heap* heap) { | 
| VerifyMarking(heap->map_space()); | 
| VerifyMarking(heap->new_space()); | 
|  | 
| -  VerifyMarkingVisitor visitor; | 
| +  VerifyMarkingVisitor visitor(heap); | 
|  | 
| LargeObjectIterator it(heap->lo_space()); | 
| for (HeapObject* obj = it.Next(); obj != NULL; obj = it.Next()) { | 
| @@ -1409,7 +1414,7 @@ class MarkCompactMarkingVisitor | 
| HeapObject* obj)) { | 
| #ifdef DEBUG | 
| ASSERT(collector->heap()->Contains(obj)); | 
| -    ASSERT(!HEAP->mark_compact_collector()->IsMarked(obj)); | 
| +    ASSERT(!collector->heap()->mark_compact_collector()->IsMarked(obj)); | 
| #endif | 
| Map* map = obj->map(); | 
| Heap* heap = obj->GetHeap(); | 
|  |