Switch Blink to the new Web Notifications permission path.

public/web/WebNotificationPresenter.h

 /*
  * 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 45 matching lines @@
     // FIXME: Remove cancel() once Chromium updated to the new name, and make close() pure virtual.
     virtual void close(const WebNotification&) { }
     virtual void cancel(const WebNotification&) = 0;
 
     // Indiciates that the notification object subscribed to events for a previously shown notification is
     // being destroyed.  Does _not_ remove the notification if being shown, but detaches it from receiving events.
     virtual void objectDestroyed(const WebNotification&) = 0;
 
     // Checks the permission level for the given origin.
     virtual Permission checkPermission(const WebSecurityOrigin&) = 0;
-
-    // Requests permission for a given origin.  This operation is asynchronous and the callback provided
-    // will be invoked when the permission decision is made.  Callback pointer must remain
-    // valid until called.
-    // FIXME: Remove once permission requests will be routed through the NotificationPermissionClient.
-    virtual void requestPermission(const WebSecurityOrigin&, WebNotificationPermissionCallback*) = 0;
 };
 
 } // namespace blink
 
 #endif