Revert 14915 and 14916

src/objects.cc

 // Copyright 2013 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 326 matching lines @@
     if (call_fun == NULL) return isolate->heap()->undefined_value();
     HandleScope scope(isolate);
     JSObject* self = JSObject::cast(receiver);
     Handle<String> key(String::cast(name));
     LOG(isolate, ApiNamedPropertyAccess("load", self, name));
     PropertyCallbackArguments args(isolate, data->data(), self, this);
     v8::Handle<v8::Value> result;
     {
       // Leaving JavaScript.
       VMState<EXTERNAL> state(isolate);
-      ExternalCallbackScope call_scope(isolate,
-                                       v8::ToCData<Address>(fun_obj));
       result = args.Call(call_fun, v8::Utils::ToLocal(key));
     }
     RETURN_IF_SCHEDULED_EXCEPTION(isolate);
     if (result.IsEmpty()) {
       return isolate->heap()->undefined_value();
     }
     Object* return_value = *v8::Utils::OpenHandle(*result);
     return_value->VerifyApiCallResultType();
     return return_value;
   }
@@ skipping 2425 matching lines @@
     Object* call_obj = data->setter();
     v8::AccessorSetter call_fun = v8::ToCData<v8::AccessorSetter>(call_obj);
     if (call_fun == NULL) return value;
     Handle<String> key(String::cast(name));
     LOG(isolate, ApiNamedPropertyAccess("store", this, name));
     PropertyCallbackArguments
       args(isolate, data->data(), this, JSObject::cast(holder));
     {
       // Leaving JavaScript.
       VMState<EXTERNAL> state(isolate);
-      ExternalCallbackScope call_scope(isolate,
-                                       v8::ToCData<Address>(call_obj));
       args.Call(call_fun,
                 v8::Utils::ToLocal(key),
                 v8::Utils::ToLocal(value_handle));
     }
     RETURN_IF_SCHEDULED_EXCEPTION(isolate);
     return *value_handle;
   }
 
   if (structure->IsAccessorPair()) {
     Object* setter = AccessorPair::cast(structure)->setter();
@@ skipping 12836 matching lines @@
   set_year(Smi::FromInt(year), SKIP_WRITE_BARRIER);
   set_month(Smi::FromInt(month), SKIP_WRITE_BARRIER);
   set_day(Smi::FromInt(day), SKIP_WRITE_BARRIER);
   set_weekday(Smi::FromInt(weekday), SKIP_WRITE_BARRIER);
   set_hour(Smi::FromInt(hour), SKIP_WRITE_BARRIER);
   set_min(Smi::FromInt(min), SKIP_WRITE_BARRIER);
   set_sec(Smi::FromInt(sec), SKIP_WRITE_BARRIER);
 }
 
 } }  // namespace v8::internal