Remove support for [EventTarget] IDL extended attribute

Source/bindings/tests/results/V8TestCallback.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 10 matching lines @@
 #include "config.h"
 #include "V8TestCallback.h"
 
 #include "V8DOMStringList.h"
 #include "V8TestObject.h"
 #include "bindings/v8/V8Binding.h"
 #include "bindings/v8/V8Callback.h"
 #include "core/dom/ScriptExecutionContext.h"
 #include "wtf/Assertions.h"
 #include "wtf/GetPtr.h"
-#include "wtf/RefCounted.h"
 #include "wtf/RefPtr.h"
 namespace WebCore {
 
 V8TestCallback::V8TestCallback(v8::Handle<v8::Object> callback, ScriptExecutionContext* context)
     : ActiveDOMCallback(context)
     , m_callback(callback)
     , m_world(DOMWrapperWorld::current())
 {
 }
 
@@ skipping 207 matching lines @@
     v8::Handle<v8::Value> argv[] = {
         paramHandle
     };
 
     bool callbackReturnValue = false;
     return !invokeCallback(m_callback.newLocal(isolate), v8::Handle<v8::Object>::Cast(thisHandle), 1, argv, callbackReturnValue, scriptExecutionContext());
 }
 
 } // namespace WebCore