Remove deprecated method Notification::detachPresenter()

Source/web/WebNotification.cpp

 /*
  * Copyright (C) 2009 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 84 matching lines @@
     return (m_private->direction() == RTL) ?
         WebTextDirectionRightToLeft :
         WebTextDirectionLeftToRight;
 }
 
 WebString WebNotification::replaceId() const
 {
     return m_private->tag();
 }
 
-void WebNotification::detachPresenter()
-{
-    m_private->detachPresenter();
-}
-
 void WebNotification::dispatchDisplayEvent()
 {
     m_private->dispatchShowEvent();
 }
 
 void WebNotification::dispatchErrorEvent(const blink::WebString& /* errorMessage */)
 {
     // FIXME: errorMessage not supported by WebCore yet
     m_private->dispatchErrorEvent();
 }
@@ skipping 27 matching lines @@
 
 void WebNotification::assign(WebNotificationPrivate* p)
 {
     // p is already ref'd for us by the caller
     if (m_private)
         m_private->deref();
     m_private = p;
 }
 
 } // namespace blink