Inherit EventTarget interface instead of duplicating its code

Source/bindings/tests/results/V8TestActiveDOMObject.cpp

Index: Source/bindings/tests/results/V8TestActiveDOMObject.cpp
diff --git a/Source/bindings/tests/results/V8TestActiveDOMObject.cpp b/Source/bindings/tests/results/V8TestActiveDOMObject.cpp
index 57d43ac8fce020180b4bf7227e6a1de7b9558666..ab7fc922c293ae5da3e8788801ba410f40d7bea2 100644
--- a/Source/bindings/tests/results/V8TestActiveDOMObject.cpp
+++ b/Source/bindings/tests/results/V8TestActiveDOMObject.cpp
@@ -245,18 +245,18 @@ bool V8TestActiveDOMObject::HasInstanceInAnyWorld(v8::Handle<v8::Value> value, v
 v8::Handle<v8::Object> V8TestActiveDOMObject::createWrapper(PassRefPtr<TestActiveDOMObject> impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     ASSERT(impl.get());
-    ASSERT(DOMDataStore::getWrapper(impl.get(), isolate).IsEmpty());
+    ASSERT(DOMDataStore::getWrapper<V8TestActiveDOMObject>(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<V8TestActiveDOMObject>(impl, &info, wrapper, isolate, WrapperConfiguration::Independent);
     return wrapper;
 }
 void V8TestActiveDOMObject::derefObject(void* object)
 {
-    static_cast<TestActiveDOMObject*>(object)->deref();
+    fromWrappedType(object)->deref();
 }
 
 } // namespace WebCore