Remove the notificationProvider extension API

chrome/browser/notifications/message_center_notification_manager.h

 // Copyright (c) 2012 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 CHROME_BROWSER_NOTIFICATIONS_MESSAGE_CENTER_NOTIFICATION_MANAGER_H_
 #define CHROME_BROWSER_NOTIFICATIONS_MESSAGE_CENTER_NOTIFICATION_MANAGER_H_
 
 #include <map>
 #include <memory>
 #include <string>
@@ skipping 61 matching lines @@
   // Takes ownership of |delegate|.
   void SetMessageCenterTrayDelegateForTest(
       message_center::MessageCenterTrayDelegate* delegate);
 
   // Returns the notification id which this manager will use to add to message
   // center, for this combination of delegate id and profile.
   std::string GetMessageCenterNotificationIdForTest(
       const std::string& delegate_id, Profile* profile);
 
  private:
-  // Adds |profile_notification| to an alternative provider extension or app.
-  void AddNotificationToAlternateProvider(
-      const Notification& notification,
-      Profile* profile,
-      const std::string& extension_id) const;
-
   FRIEND_TEST_ALL_PREFIXES(message_center::WebNotificationTrayTest,
                            ManuallyCloseMessageCenter);
 
   std::unique_ptr<message_center::MessageCenterTrayDelegate> tray_;
   message_center::MessageCenter* message_center_;  // Weak, global.
 
   // Use a map by notification_id since this mapping is the most often used.
   std::map<std::string, std::unique_ptr<ProfileNotification>>
       profile_notifications_;
 
   // Helpers that add/remove the notification from local map.
   // The local map takes ownership of profile_notification object.
   void AddProfileNotification(
       std::unique_ptr<ProfileNotification> profile_notification);
   void RemoveProfileNotification(const std::string& notification_id);
 
   // Returns the ProfileNotification for the |id|, or NULL if no such
   // notification is found.
   ProfileNotification* FindProfileNotification(const std::string& id) const;
 
-  // Get the extension ID of the extension that the user chose to take over
-  // Chorme Notification Center.
-  std::string GetExtensionTakingOverNotifications(Profile* profile);
-
   std::unique_ptr<message_center::NotifierSettingsProvider> settings_provider_;
 
   // To own the blockers.
   std::vector<std::unique_ptr<message_center::NotificationBlocker>> blockers_;
 
   NotificationSystemObserver system_observer_;
 
   // Keeps track of all notification statistics for UMA purposes.
   MessageCenterStatsCollector stats_collector_;
 
   // Keeps track of notifications specific to Google Now for UMA purposes.
   GoogleNowNotificationStatsCollector google_now_stats_collector_;
 
   DISALLOW_COPY_AND_ASSIGN(MessageCenterNotificationManager);
 };
 
 #endif  // CHROME_BROWSER_NOTIFICATIONS_MESSAGE_CENTER_NOTIFICATION_MANAGER_H_