Simplify passing of AccessorInfo to interceptors:

src/handles.cc

 // Copyright 2009 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 521 matching lines @@
     }
     if (source->Get(pos) == '\n') {
       line++;
     }
   }
   return line;
 }
 
 
 void CustomArguments::IterateInstance(ObjectVisitor* v) {
-  v->VisitPointers(values_, values_ + 4);
+  v->VisitPointers(values_, values_ + 3);
 }
 
 
 // Compute the property keys from the interceptor.
 v8::Handle<v8::Array> GetKeysForNamedInterceptor(Handle<JSObject> receiver,
                                                  Handle<JSObject> object) {
   Handle<InterceptorInfo> interceptor(object->GetNamedInterceptor());
   CustomArguments args(interceptor->data(), *receiver, *object);
   v8::AccessorInfo info(args.end());
   v8::Handle<v8::Array> result;
@@ skipping 309 matching lines @@
   Handle<Map> new_map = Factory::CopyMapDropTransitions(old_map);
   obj->set_map(*new_map);
   new_map->set_needs_loading(true);
   // Store the lazy loading info in the constructor field.  We'll
   // reestablish the constructor from the fixed array after loading.
   new_map->set_constructor(*arr);
   ASSERT(!obj->IsLoaded());
 }
 
 } }  // namespace v8::internal