Remove leak of objects between isolated worlds on custom events.

Source/bindings/tests/results/V8TestEventConstructor.cpp

 /*
     This file is part of the Blink open source project.
     This file has been auto-generated by CodeGeneratorV8.pm. DO NOT MODIFY!
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
     version 2 of the License, or (at your option) any later version.
 
     This library is distributed in the hope that it will be useful,
@@ skipping 87 matching lines @@
     if (args.Length() >= 2) {
         V8TRYCATCH_VOID(Dictionary, options, Dictionary(args[1], args.GetIsolate()));
         if (!fillTestEventConstructorInit(eventInit, options))
             return;
     }
 
     RefPtr<TestEventConstructor> event = TestEventConstructor::create(type, eventInit);
 
     v8::Handle<v8::Object> wrapper = args.Holder();
     V8DOMWrapper::associateObjectWithWrapper(event.release(), &V8TestEventConstructor::info, wrapper, args.GetIsolate(), WrapperConfiguration::Dependent);
-    args.GetReturnValue().Set(wrapper);
+    v8SetReturnValue(args, wrapper);
 }
 } // namespace TestEventConstructorV8Internal
 
 static const V8DOMConfiguration::BatchedAttribute V8TestEventConstructorAttrs[] = {
     // Attribute 'attr1'
     {"attr1", TestEventConstructorV8Internal::attr1AttrGetterCallback, 0, 0, 0, 0 /* no data */, static_cast<v8::AccessControl>(v8::DEFAULT), static_cast<v8::PropertyAttribute>(v8::None), 0 /* on instance */},
     // Attribute 'attr2'
     {"attr2", TestEventConstructorV8Internal::attr2AttrGetterCallback, 0, 0, 0, 0 /* no data */, static_cast<v8::AccessControl>(v8::DEFAULT), static_cast<v8::PropertyAttribute>(v8::None), 0 /* on instance */},
 };
 
@@ skipping 75 matching lines @@
     installPerContextProperties(wrapper, impl.get(), isolate);
     V8DOMWrapper::associateObjectWithWrapper(impl, &info, wrapper, isolate, WrapperConfiguration::Independent);
     return wrapper;
 }
 void V8TestEventConstructor::derefObject(void* object)
 {
     static_cast<TestEventConstructor*>(object)->deref();
 }
 
 } // namespace WebCore