Reduce repetitive EventTarget subclassing

Source/modules/notifications/Notification.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2009, 2011, 2012 Apple 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 41 matching lines @@
 
 class Dictionary;
 class ExceptionState;
 class NotificationCenter;
 class NotificationPermissionCallback;
 class ResourceError;
 class ResourceResponse;
 class ScriptExecutionContext;
 class ThreadableLoader;
 
-class Notification : public RefCounted<Notification>, public ScriptWrappable, public ActiveDOMObject, public EventTarget {
+class Notification : public RefCounted<Notification>, public ScriptWrappable, public ActiveDOMObject, public EventTargetWithInlineData {
     WTF_MAKE_FAST_ALLOCATED;
 public:
     Notification();
 #if ENABLE(LEGACY_NOTIFICATIONS)
     static PassRefPtr<Notification> create(const String& title, const String& body, const String& iconURI, ScriptExecutionContext*, ExceptionState&, PassRefPtr<NotificationCenter> provider);
 #endif
     static PassRefPtr<Notification> create(ScriptExecutionContext*, const String& title, const Dictionary& options);
 
     virtual ~Notification();
 
@@ skipping 35 matching lines @@
 
     void dispatchClickEvent();
     void dispatchCloseEvent();
     void dispatchErrorEvent();
     void dispatchShowEvent();
 
     using RefCounted<Notification>::ref;
     using RefCounted<Notification>::deref;
 
     // EventTarget interface
-    virtual const AtomicString& interfaceName() const;
-    virtual ScriptExecutionContext* scriptExecutionContext() const { return ActiveDOMObject::scriptExecutionContext(); }
-    virtual bool dispatchEvent(PassRefPtr<Event>);
+    virtual const AtomicString& interfaceName() const OVERRIDE;
+    virtual ScriptExecutionContext* scriptExecutionContext() const OVERRIDE { return ActiveDOMObject::scriptExecutionContext(); }
+    virtual bool dispatchEvent(PassRefPtr<Event>) OVERRIDE;
 
     // ActiveDOMObject interface
     virtual void contextDestroyed();
 
     void stopLoadingIcon();
 
     // Deprecated. Use functions from NotificationCenter.
     void detachPresenter() { }
 
     void finalize();
 
     static const String& permission(ScriptExecutionContext*);
     static const String& permissionString(NotificationClient::Permission);
     static void requestPermission(ScriptExecutionContext*, PassRefPtr<NotificationPermissionCallback> = 0);
 
 private:
 #if ENABLE(LEGACY_NOTIFICATIONS)
     Notification(const String& title, const String& body, const String& iconURI, ScriptExecutionContext*, ExceptionState&, PassRefPtr<NotificationCenter>);
 #endif
     Notification(ScriptExecutionContext*, const String& title);
 
     void setBody(const String& body) { m_body = body; }
 
     // EventTarget interface
-    virtual void refEventTarget() { ref(); }
-    virtual void derefEventTarget() { deref(); }
-    virtual EventTargetData* eventTargetData();
-    virtual EventTargetData* ensureEventTargetData();
+    virtual void refEventTarget() OVERRIDE { ref(); }
+    virtual void derefEventTarget() OVERRIDE { deref(); }
 
     void startLoadingIcon();
     void finishLoadingIcon();
 
     void taskTimerFired(Timer<Notification>*);
 
     // Text notifications.
     KURL m_icon;
     String m_title;
     String m_body;
 
     String m_direction;
     String m_lang;
     String m_tag;
 
     enum NotificationState {
         Idle = 0,
         Showing = 1,
         Closed = 2,
     };
 
     NotificationState m_state;
 
     NotificationClient* m_notificationClient;
 
-    EventTargetData m_eventTargetData;
-
     OwnPtr<Timer<Notification> > m_taskTimer;
 };
 
 } // namespace WebCore
 
 #endif // Notifications_h