| Index: runtime/vm/dart_api_message.h | 
| =================================================================== | 
| --- runtime/vm/dart_api_message.h	(revision 38170) | 
| +++ runtime/vm/dart_api_message.h	(working copy) | 
| @@ -120,6 +120,8 @@ | 
| // Get an object from the backward references list. | 
| Dart_CObject* GetBackRef(intptr_t id); | 
|  | 
| +  intptr_t NextAvailableObjectId() const; | 
| + | 
| Dart_CObject_Internal* AsInternal(Dart_CObject* object) { | 
| ASSERT(object->type >= Dart_CObject_kNumberOfTypes); | 
| return reinterpret_cast<Dart_CObject_Internal*>(object); | 
|  |