add weakcallback without persistent copying

src/api.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 610 matching lines @@
 #ifdef DEBUG
   (*obj)->Verify();
 #endif  // DEBUG
   return result.location();
 }
 
 
 void V8::MakeWeak(i::Isolate* isolate,
                   i::Object** object,
                   void* parameters,
-                  WeakReferenceCallback weak_reference_callback,
+                  RevivableCallback weak_reference_callback,
                   NearDeathCallback near_death_callback) {
   ASSERT(isolate == i::Isolate::Current());
   LOG_API(isolate, "MakeWeak");
   isolate->global_handles()->MakeWeak(object,
                                       parameters,
                                       weak_reference_callback,
                                       near_death_callback);
 }
 
 
@@ skipping 7045 matching lines @@
 
   v->VisitPointers(blocks_.first(), first_block_limit_);
 
   for (int i = 1; i < blocks_.length(); i++) {
     v->VisitPointers(blocks_[i], &blocks_[i][kHandleBlockSize]);
   }
 }
 
 
 } }  // namespace v8::internal