Inherit EventTarget interface instead of duplicating its code

Source/bindings/tests/results/V8TestInterfaceImplementedAs.cpp

Index: Source/bindings/tests/results/V8TestInterfaceImplementedAs.cpp
diff --git a/Source/bindings/tests/results/V8TestInterfaceImplementedAs.cpp b/Source/bindings/tests/results/V8TestInterfaceImplementedAs.cpp
index 05d8d9b920a542f5980145012aa8bc99c232389d..7313e0ea3947a02a551fe06827d85551189f607d 100644
--- a/Source/bindings/tests/results/V8TestInterfaceImplementedAs.cpp
+++ b/Source/bindings/tests/results/V8TestInterfaceImplementedAs.cpp
@@ -225,18 +225,18 @@ bool V8TestInterfaceImplementedAs::HasInstanceInAnyWorld(v8::Handle<v8::Value> v
 v8::Handle<v8::Object> V8TestInterfaceImplementedAs::createWrapper(PassRefPtr<RealClass> impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     ASSERT(impl.get());
-    ASSERT(DOMDataStore::getWrapper(impl.get(), isolate).IsEmpty());
+    ASSERT(DOMDataStore::getWrapper<V8TestInterfaceImplementedAs>(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<V8TestInterfaceImplementedAs>(impl, &info, wrapper, isolate, WrapperConfiguration::Independent);
     return wrapper;
 }
 void V8TestInterfaceImplementedAs::derefObject(void* object)
 {
-    static_cast<RealClass*>(object)->deref();
+    fromWrappedType(object)->deref();
 }
 
 } // namespace WebCore