Change old code from "unloadListnerChanged" model to new WebKit EnableSuddenT...

webkit/glue/webframe_impl.h

 /*
  * Copyright (C) 2006 Apple Computer, 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 249 matching lines @@
   void SetFindEndstateFocusAndSelection();
 
   // Sets whether the WebFrameImpl allows its document to be scrolled.
   // If the parameter is true, allow the document to be scrolled.
   // Otherwise, disallow scrolling
   void SetAllowsScrolling(bool flag);
 
   // Returns true if the frame CSS is in "printing" mode.
   bool printing() const { return printing_; }
 
-  virtual bool HasUnloadListener();
   virtual bool IsReloadAllowingStaleData() const;
 
  protected:
   friend class WebFrameLoaderClient;
 
   // Informs the WebFrame that the Frame is being closed, called by the
   // WebFrameLoaderClient
   void Closing();
 
   // A helper function for loading some document, given all of its data, into
@@ skipping 152 matching lines @@
   // In "printing" mode. Used as a state check.
   bool printing_;
 
   // For each printed page, the view of the document in pixels.
   Vector<WebCore::IntRect> pages_;
 
   DISALLOW_COPY_AND_ASSIGN(WebFrameImpl);
 };
 
 #endif  // WEBKIT_GLUE_WEBFRAME_IMPL_H_