| Index: src/heap/spaces.h | 
| diff --git a/src/heap/spaces.h b/src/heap/spaces.h | 
| index b880da95c2ca08305b4f316a0102f97068f491ce..3461de3ef009f18d9549a8de8f18ce831ba2f572 100644 | 
| --- a/src/heap/spaces.h | 
| +++ b/src/heap/spaces.h | 
| @@ -1589,7 +1589,6 @@ | 
|  | 
| PagedSpace* owner_; | 
| Heap* heap_; | 
| -  int unreported_allocation_; | 
|  | 
| static const int kSmallListMax = 0xff * kPointerSize; | 
| static const int kMediumListMax = 0x7ff * kPointerSize; | 
| @@ -1786,8 +1785,13 @@ | 
| void ResetFreeList() { free_list_.Reset(); } | 
|  | 
| // Set space allocation info. | 
| -  void SetTopAndLimit(Address top, Address limit); | 
| -  void ReturnLinearAllocationAreaToFreeList(); | 
| +  void SetTopAndLimit(Address top, Address limit) { | 
| +    DCHECK(top == limit || | 
| +           Page::FromAddress(top) == Page::FromAddress(limit - 1)); | 
| +    MemoryChunk::UpdateHighWaterMark(allocation_info_.top()); | 
| +    allocation_info_.set_top(top); | 
| +    allocation_info_.set_limit(limit); | 
| +  } | 
|  | 
| // Empty space allocation info, returning unused area to free list. | 
| void EmptyAllocationInfo() { | 
|  |