Switch to dartgenerator.py for C++ callbacks generation.

Source/WebCore/notifications/NotificationCenter.idl

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2011 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 19 matching lines @@
  */
 
 module threads {
 
     interface [
         Conditional=NOTIFICATIONS,
         ActiveDOMObject,
         OmitConstructor
     ] NotificationCenter {
 #if !defined(ENABLE_TEXT_NOTIFICATIONS_ONLY) || !ENABLE_TEXT_NOTIFICATIONS_ONLY
-       [V8Custom] Notification createHTMLNotification(in DOMString url) raises(Exception);
+       [V8Custom] Notification createHTMLNotification(in DOMString url) raises(DOMException);
 #endif
-       [V8Custom] Notification createNotification(in DOMString iconUrl, in DOMString title, in DOMString body) raises(Exception);
+       [V8Custom] Notification createNotification(in DOMString iconUrl, in DOMString title, in DOMString body) raises(DOMException);

[antonm, 2012/02/13 19:20:04]

are not we aiming for 0 changes to idls?

 
        int checkPermission();
        [Custom] void requestPermission(in VoidCallback callback);
     };
 
 }