Update NetworkStateNotifier to use message_center.

ash/system/tray/system_tray_notifier.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 ASH_SYSTEM_TRAY_SYSTEM_TRAY_NOTIFIER_H_
 #define ASH_SYSTEM_TRAY_SYSTEM_TRAY_NOTIFIER_H_
 
 #include <string>
 #include <vector>
 
 #include "ash/ash_export.h"
 #include "ash/system/bluetooth/bluetooth_observer.h"
 #include "ash/system/brightness/brightness_observer.h"
-#include "ash/system/chromeos/enterprise/enterprise_domain_observer.h"
-#include "ash/system/chromeos/network/network_observer.h"
 #include "ash/system/chromeos/tray_tracing.h"
 #include "ash/system/date/clock_observer.h"
 #include "ash/system/drive/drive_observer.h"
 #include "ash/system/ime/ime_observer.h"
 #include "ash/system/locale/locale_observer.h"
 #include "ash/system/logout_button/logout_button_observer.h"
 #include "ash/system/session_length_limit/session_length_limit_observer.h"
 #include "ash/system/tray_accessibility.h"
 #include "ash/system/tray_caps_lock.h"
 #include "ash/system/user/update_observer.h"
 #include "ash/system/user/user_observer.h"
 #include "base/observer_list.h"
 
 #if defined(OS_CHROMEOS)
+#include "ash/system/chromeos/enterprise/enterprise_domain_observer.h"
 #include "ash/system/chromeos/network/network_observer.h"
 #include "ash/system/chromeos/screen_security/screen_capture_observer.h"
 #include "ash/system/chromeos/screen_security/screen_share_observer.h"
 #endif
 
 namespace ash {
 
 #if defined(OS_CHROMEOS)
 class NetworkStateNotifier;
 #endif
@@ skipping 71 matching lines @@
   void NotifyShowLoginButtonChanged(bool show_login_button);
   void NotifyLocaleChanged(LocaleObserver::Delegate* delegate,
                            const std::string& cur_locale,
                            const std::string& from_locale,
                            const std::string& to_locale);
   void NotifySessionStartTimeChanged();
   void NotifySessionLengthLimitChanged();
   void NotifyUpdateRecommended(UpdateObserver::UpdateSeverity severity);
   void NotifyUserUpdate();
 #if defined(OS_CHROMEOS)
-  void NotifySetNetworkMessage(NetworkTrayDelegate* delegate,
-                               NetworkObserver::MessageType message_type,
-                               NetworkObserver::NetworkType network_type,
-                               const base::string16& title,
-                               const base::string16& message,
-                               const std::vector<base::string16>& links);
-  void NotifyClearNetworkMessage(NetworkObserver::MessageType message_type);
   void NotifyRequestToggleWifi();
   void NotifyEnterpriseDomainChanged();
   void NotifyScreenCaptureStart(const base::Closure& stop_callback,
                                 const base::string16& sharing_app_name);
   void NotifyScreenCaptureStop();
   void NotifyScreenShareStart(const base::Closure& stop_callback,
                               const base::string16& helper_name);
   void NotifyScreenShareStop();
 
   NetworkStateNotifier* network_state_notifier() {
@@ skipping 22 matching lines @@
   ObserverList<ScreenShareObserver> screen_share_observers_;
   scoped_ptr<NetworkStateNotifier> network_state_notifier_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(SystemTrayNotifier);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_TRAY_SYSTEM_TRAY_NOTIFIER_H_