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

Source/web/NotificationPresenterImpl.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 27 matching lines @@
 #include "modules/notifications/NotificationBase.h"
 #include "platform/weborigin/SecurityOrigin.h"
 
 using namespace WebCore;
 
 namespace blink {
 
 #if ENABLE(LEGACY_NOTIFICATIONS)
 class VoidCallbackClient : public WebNotificationPermissionCallback {
 public:
-    explicit VoidCallbackClient(PassRefPtr<VoidCallback> callback)
+    explicit VoidCallbackClient(PassOwnPtr<VoidCallback> callback)
         : m_callback(callback)
     {
     }
 
     virtual void permissionRequestComplete()
     {
         if (m_callback)
             m_callback->handleEvent();
         delete this;
     }
 
 private:
     virtual ~VoidCallbackClient() { }
 
-    RefPtr<VoidCallback> m_callback;
+    OwnPtr<VoidCallback> m_callback;
 };
 #endif // ENABLE(LEGACY_NOTIFICATIONS)
 
 class NotificationPermissionCallbackClient : public WebNotificationPermissionCallback {
 public:
     NotificationPermissionCallbackClient(WebNotificationPresenter* presenter, PassRefPtr<SecurityOrigin> securityOrigin, PassOwnPtr<NotificationPermissionCallback> callback)
         : m_presenter(presenter)
         , m_securityOrigin(securityOrigin)
         , m_callback(callback)
     {
@@ skipping 43 matching lines @@
 {
 }
 
 NotificationClient::Permission NotificationPresenterImpl::checkPermission(ExecutionContext* context)
 {
     int result = m_presenter->checkPermission(WebSecurityOrigin(context->securityOrigin()));
     return static_cast<NotificationClient::Permission>(result);
 }
 
 #if ENABLE(LEGACY_NOTIFICATIONS)
-void NotificationPresenterImpl::requestPermission(ExecutionContext* context, PassRefPtr<VoidCallback> callback)
+void NotificationPresenterImpl::requestPermission(ExecutionContext* context, PassOwnPtr<VoidCallback> callback)
 {
     m_presenter->requestPermission(WebSecurityOrigin(context->securityOrigin()), new VoidCallbackClient(callback));
 }
 #endif // ENABLE(LEGACY_NOTIFICATIONS)
 
 void NotificationPresenterImpl::requestPermission(ExecutionContext* context, WTF::PassOwnPtr<NotificationPermissionCallback> callback)
 {
     m_presenter->requestPermission(WebSecurityOrigin(context->securityOrigin()), new NotificationPermissionCallbackClient(m_presenter, context->securityOrigin(), callback));
 }
 
 } // namespace blink