Inherit EventTarget interface instead of duplicating its code

Source/bindings/v8/custom/V8DataViewCustom.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 21 matching lines @@
 
 namespace WebCore {
 
 void V8DataView::constructorCustom(const v8::FunctionCallbackInfo<v8::Value>& args)
 {
     if (!args.Length()) {
         // see constructWebGLArray -- we don't seem to be able to distingish between
         // 'new DataView()' and the call used to construct the cached DataView object.
         RefPtr<DataView> dataView = DataView::create(0);
         v8::Handle<v8::Object> wrapper = args.Holder();
-        V8DOMWrapper::associateObjectWithWrapper(dataView.release(), &info, wrapper, args.GetIsolate(), WrapperConfiguration::Dependent);
+        V8DOMWrapper::associateObjectWithWrapper<V8DataView>(dataView.release(), &info, wrapper, args.GetIsolate(), WrapperConfiguration::Dependent);
         args.GetReturnValue().Set(wrapper);
         return;
     }
     if (args[0]->IsNull() || !V8ArrayBuffer::HasInstance(args[0], args.GetIsolate(), worldType(args.GetIsolate()))) {
         throwTypeError(0, args.GetIsolate());
         return;
     }
-    constructWebGLArrayWithArrayBufferArgument<DataView, char>(args, &info, v8::kExternalByteArray, false);
+    constructWebGLArrayWithArrayBufferArgument<DataView, char, V8DataView>(args, &info, v8::kExternalByteArray, false);
 }
 
 // FIXME: Don't need this override.
 v8::Handle<v8::Object> wrap(DataView* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     ASSERT(impl);
     return V8DataView::createWrapper(impl, creationContext, isolate);
 }
 
 } // namespace WebCore