Implement Non-Closable Notification

ui/message_center/message_center_impl.h

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_MESSAGE_CENTER_MESSAGE_CENTER_IMPL_H_
 #define UI_MESSAGE_CENTER_MESSAGE_CENTER_IMPL_H_
 
 #include <stddef.h>
 
 #include <string>
@@ skipping 42 matching lines @@
   message_center::Notification* FindVisibleNotificationById(
       const std::string& id) override;
   const NotificationList::Notifications& GetVisibleNotifications() override;
   NotificationList::PopupNotifications GetPopupNotifications() override;
   void AddNotification(scoped_ptr<Notification> notification) override;
   void UpdateNotification(const std::string& old_id,
                           scoped_ptr<Notification> new_notification) override;
   void RemoveNotification(const std::string& id, bool by_user) override;
   void RemoveAllNotifications(bool by_user) override;
   void RemoveAllVisibleNotifications(bool by_user) override;
+  void RemoveAllClosableNotifications(bool by_user) override;
   void SetNotificationIcon(const std::string& notification_id,
                            const gfx::Image& image) override;
   void SetNotificationImage(const std::string& notification_id,
                             const gfx::Image& image) override;
   void SetNotificationButtonIcon(const std::string& notification_id,
                                  int button_index,
                                  const gfx::Image& image) override;
   void DisableNotificationsByNotifier(const NotifierId& notifier_id) override;
   void ClickOnNotification(const std::string& id) override;
   void ClickOnNotificationButton(const std::string& id,
@@ skipping 36 matching lines @@
   struct NotificationCache {
     NotificationCache();
     ~NotificationCache();
     void Rebuild(const NotificationList::Notifications& notifications);
     void RecountUnread();
 
     NotificationList::Notifications visible_notifications;
     size_t unread_count;
   };
 
-  void RemoveNotifications(bool by_user, const NotificationBlockers& blockers);
+  void RemoveNotifications(
+      bool by_user, bool only_closable, const NotificationBlockers& blockers);
   void RemoveNotificationsForNotifierId(const NotifierId& notifier_id);
 
   scoped_ptr<NotificationList> notification_list_;
   NotificationCache notification_cache_;
   base::ObserverList<MessageCenterObserver> observer_list_;
   scoped_ptr<PopupTimersController> popup_timers_controller_;
   scoped_ptr<base::OneShotTimer> quiet_mode_timer_;
   NotifierSettingsProvider* settings_provider_;
   std::vector<NotificationBlocker*> blockers_;
 
   // Queue for the notifications to delay the addition/updates when the message
   // center is visible.
   scoped_ptr<internal::ChangeQueue> notification_queue_;
 
   DISALLOW_COPY_AND_ASSIGN(MessageCenterImpl);
 };
 
 }  // namespace message_center
 
 #endif  // UI_MESSAGE_CENTER_MESSAGE_CENTER_H_