Support union return type for anonymous named/indexed getter

Source/bindings/tests/results/V8TestEventTarget.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 181 matching lines @@
     {"removeEventListener", TestEventTargetV8Internal::removeEventListenerMethodCallback, 0, 2},
 };
 
 v8::Handle<v8::Value> V8TestEventTarget::indexedPropertyGetter(uint32_t index, const v8::AccessorInfo& info)
 {
     ASSERT(V8DOMWrapper::maybeDOMWrapper(info.Holder()));
     TestEventTarget* collection = toNative(info.Holder());
     RefPtr<Node> element = collection->item(index);
     if (!element)
         return v8Undefined();
-    return toV8Fast(element.release(), info, collection);
+
+    v8::Handle<v8::Value> jsValue;
+    jsValue = toV8Fast(element.release(), info, collection);
+    return jsValue;
 }
 
 v8::Handle<v8::Value> V8TestEventTarget::namedPropertyGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
 {
     if (!info.Holder()->GetRealNamedPropertyInPrototypeChain(name).IsEmpty())
         return v8Undefined();
     if (info.Holder()->HasRealNamedCallbackProperty(name))
         return v8Undefined();
 
     ASSERT(V8DOMWrapper::maybeDOMWrapper(info.Holder()));
     TestEventTarget* collection = toNative(info.Holder());
     AtomicString propertyName = toWebCoreAtomicString(name);
     RefPtr<Node> element = collection->namedItem(propertyName);
     if (!element)
         return v8Undefined();
-    return toV8Fast(element.release(), info, collection);
+
+    v8::Handle<v8::Value> jsValue;
+    jsValue = toV8Fast(element.release(), info, collection);
+    return jsValue;
 }
 
 static v8::Persistent<v8::FunctionTemplate> ConfigureV8TestEventTargetTemplate(v8::Persistent<v8::FunctionTemplate> desc, v8::Isolate* isolate, WrapperWorldType currentWorldType)
 {
     desc->ReadOnlyPrototype();
 
     v8::Local<v8::Signature> defaultSignature;
     defaultSignature = V8DOMConfiguration::configureTemplate(desc, "TestEventTarget", v8::Persistent<v8::FunctionTemplate>(), V8TestEventTarget::internalFieldCount,
         0, 0,
         V8TestEventTargetMethods, WTF_ARRAY_LENGTH(V8TestEventTargetMethods), isolate, currentWorldType);
@@ skipping 65 matching lines @@
     installPerContextProperties(wrapper, impl.get(), isolate);
     V8DOMWrapper::associateObjectWithWrapper(impl, &info, wrapper, isolate, hasDependentLifetime ? WrapperConfiguration::Dependent : WrapperConfiguration::Independent);
     return wrapper;
 }
 void V8TestEventTarget::derefObject(void* object)
 {
     static_cast<TestEventTarget*>(object)->deref();
 }
 
 } // namespace WebCore