Inherit EventTarget interface instead of duplicating its code

Source/bindings/tests/results/V8TestSerializedScriptValueInterface.cpp

Index: Source/bindings/tests/results/V8TestSerializedScriptValueInterface.cpp
diff --git a/Source/bindings/tests/results/V8TestSerializedScriptValueInterface.cpp b/Source/bindings/tests/results/V8TestSerializedScriptValueInterface.cpp
index 1ee3c245c4aef8f09f2b655c441e99e2e7ebc21b..716b591908156feb8b7b2b5811dfd6480d0fd4cd 100644
--- a/Source/bindings/tests/results/V8TestSerializedScriptValueInterface.cpp
+++ b/Source/bindings/tests/results/V8TestSerializedScriptValueInterface.cpp
@@ -219,18 +219,18 @@ bool V8TestSerializedScriptValueInterface::HasInstanceInAnyWorld(v8::Handle<v8::
 v8::Handle<v8::Object> V8TestSerializedScriptValueInterface::createWrapper(PassRefPtr<TestSerializedScriptValueInterface> impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     ASSERT(impl.get());
-    ASSERT(DOMDataStore::getWrapper(impl.get(), isolate).IsEmpty());
+    ASSERT(DOMDataStore::getWrapper<V8TestSerializedScriptValueInterface>(impl.get(), isolate).IsEmpty());
 
-    v8::Handle<v8::Object> wrapper = V8DOMWrapper::createWrapper(creationContext, &info, impl.get(), isolate);
+    v8::Handle<v8::Object> wrapper = V8DOMWrapper::createWrapper(creationContext, &info, toWrappedType(impl.get()), isolate);
     if (UNLIKELY(wrapper.IsEmpty()))
         return wrapper;
     installPerContextProperties(wrapper, impl.get(), isolate);
-    V8DOMWrapper::associateObjectWithWrapper(impl, &info, wrapper, isolate, WrapperConfiguration::Independent);
+    V8DOMWrapper::associateObjectWithWrapper<V8TestSerializedScriptValueInterface>(impl, &info, wrapper, isolate, WrapperConfiguration::Independent);
     return wrapper;
 }
 void V8TestSerializedScriptValueInterface::derefObject(void* object)
 {
-    static_cast<TestSerializedScriptValueInterface*>(object)->deref();
+    fromWrappedType(object)->deref();
 }
 
 } // namespace WebCore