Decouple FileSystem and WebSQL callbacks from VoidCallback and it non-refcounted

Source/modules/notifications/NotificationCenter.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 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 56 matching lines @@
     case SecurityOrigin::AlwaysDeny:
         return NotificationClient::PermissionDenied;
     case SecurityOrigin::Ask:
         return m_client->checkPermission(executionContext());
     }
 
     ASSERT_NOT_REACHED();
     return m_client->checkPermission(executionContext());
 }
 
-void NotificationCenter::requestPermission(PassRefPtr<VoidCallback> callback)
+void NotificationCenter::requestPermission(PassOwnPtr<VoidCallback> callback)
 {
     if (!client() || !executionContext())
         return;
 
     switch (executionContext()->securityOrigin()->canShowNotifications()) {
     case SecurityOrigin::AlwaysAllow:
     case SecurityOrigin::AlwaysDeny: {
         m_callbacks.add(NotificationRequestCallback::createAndStartTimer(this, callback));
         return;
     }
@@ skipping 12 matching lines @@
     m_client->cancelRequestsForPermission(executionContext());
     m_client->clearNotifications(executionContext());
     m_client = 0;
 }
 
 void NotificationCenter::requestTimedOut(NotificationCenter::NotificationRequestCallback* request)
 {
     m_callbacks.remove(request);
 }
 
-PassRefPtr<NotificationCenter::NotificationRequestCallback> NotificationCenter::NotificationRequestCallback::createAndStartTimer(NotificationCenter* center, PassRefPtr<VoidCallback> callback)
+PassRefPtr<NotificationCenter::NotificationRequestCallback> NotificationCenter::NotificationRequestCallback::createAndStartTimer(NotificationCenter* center, PassOwnPtr<VoidCallback> callback)
 {
     RefPtr<NotificationCenter::NotificationRequestCallback> requestCallback = adoptRef(new NotificationCenter::NotificationRequestCallback(center, callback));
     requestCallback->startTimer();
     return requestCallback.release();
 }
 
-NotificationCenter::NotificationRequestCallback::NotificationRequestCallback(NotificationCenter* center, PassRefPtr<VoidCallback> callback)
+NotificationCenter::NotificationRequestCallback::NotificationRequestCallback(NotificationCenter* center, PassOwnPtr<VoidCallback> callback)
     : m_notificationCenter(center)
     , m_timer(this, &NotificationCenter::NotificationRequestCallback::timerFired)
     , m_callback(callback)
 {
 }
 
 void NotificationCenter::NotificationRequestCallback::startTimer()
 {
     m_timer.startOneShot(0);
 }
 
 void NotificationCenter::NotificationRequestCallback::timerFired(Timer<NotificationCenter::NotificationRequestCallback>*)
 {
     if (m_callback)
         m_callback->handleEvent();
     m_notificationCenter->requestTimedOut(this);
 }
 
 } // namespace WebCore
 
 #endif // ENABLE(LEGACY_NOTIFICATIONS)