Remove unused code from MessageCenterNotificationManager.

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 <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/memory/weak_ptr.h"
 #include "base/prefs/pref_member.h"
 #include "base/time/time.h"
 #include "base/timer/timer.h"
 #include "chrome/browser/notifications/google_now_notification_stats_collector.h"
 #include "chrome/browser/notifications/message_center_stats_collector.h"
 #include "chrome/browser/notifications/notification.h"
 #include "chrome/browser/notifications/notification_system_observer.h"
 #include "chrome/browser/notifications/notification_ui_manager.h"
-#include "content/public/browser/notification_observer.h"
-#include "content/public/browser/notification_registrar.h"
 #include "ui/message_center/message_center.h"
 #include "ui/message_center/message_center_observer.h"
 #include "ui/message_center/message_center_tray_delegate.h"
 #include "ui/message_center/message_center_types.h"
 
 class MessageCenterSettingsController;
 class Notification;
 class PrefRegistrySimple;
 class PrefService;
 class Profile;
 
 namespace message_center {
 class NotificationBlocker;
 FORWARD_DECLARE_TEST(WebNotificationTrayTest, ManuallyCloseMessageCenter);
 }
 
 // This class extends NotificationUIManagerImpl and delegates actual display
 // of notifications to MessageCenter, doing necessary conversions.
 class MessageCenterNotificationManager
     : public NotificationUIManager,
-      public message_center::MessageCenterObserver,
-      public content::NotificationObserver {
+      public message_center::MessageCenterObserver {
  public:
   MessageCenterNotificationManager(
       message_center::MessageCenter* message_center,
       PrefService* local_state,
       scoped_ptr<message_center::NotifierSettingsProvider> settings_provider);
   virtual ~MessageCenterNotificationManager();
 
   // Registers preferences.
   static void RegisterPrefs(PrefRegistrySimple* registry);
 
@@ skipping 28 matching lines @@
   void DisplayFirstRunBalloon();
 
   void SetFirstRunTimeoutForTest(base::TimeDelta timeout);
   bool FirstRunTimerIsActive() const;
 #endif
 
   // Takes ownership of |delegate|.
   void SetMessageCenterTrayDelegateForTest(
       message_center::MessageCenterTrayDelegate* delegate);
 
- protected:
-  // content::NotificationObserver override.
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) OVERRIDE;
-
  private:
   FRIEND_TEST_ALL_PREFIXES(message_center::WebNotificationTrayTest,
                            ManuallyCloseMessageCenter);
   class ImageDownloadsObserver {
    public:
     virtual void OnDownloadsCompleted() = 0;
   };
 
   typedef base::Callback<void(const gfx::Image&)> SetImageCallback;
   class ImageDownloads
@@ skipping 119 matching lines @@
 
   // Provides weak pointers for the purpose of the first run timer.
   base::WeakPtrFactory<MessageCenterNotificationManager> weak_factory_;
 #endif
 
   scoped_ptr<message_center::NotifierSettingsProvider> settings_provider_;
 
   // To own the blockers.
   ScopedVector<message_center::NotificationBlocker> blockers_;
 
-  // Registrar for the other kind of notifications (event signaling).
-  content::NotificationRegistrar registrar_;
-
   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_