| Index: src/heap.h
 | 
| diff --git a/src/heap.h b/src/heap.h
 | 
| index d6a3d2951a2d4a446b7510f87a5a50f838631b72..93b32b24a91806da87dccf0e01aa3335b8726c01 100644
 | 
| --- a/src/heap.h
 | 
| +++ b/src/heap.h
 | 
| @@ -487,6 +487,9 @@ class Heap {
 | 
|    // Returns the amount of executable memory currently committed for the heap.
 | 
|    intptr_t CommittedMemoryExecutable();
 | 
|  
 | 
| +  // Returns the amount of phyical memory currently committed for the heap.
 | 
| +  size_t CommittedPhysicalMemory();
 | 
| +
 | 
|    // Returns the available bytes in space w/o growing.
 | 
|    // Heap doesn't guarantee that it can allocate an object that requires
 | 
|    // all available bytes. Check MaxHeapObjectSize() instead.
 | 
| 
 |