mash: Migrate locale observer and notification to common.

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 <stdint.h>
 
 #include <string>
 #include <vector>
 
 #include "ash/ash_export.h"
 #include "ash/system/audio/audio_observer.h"
 #include "ash/system/chromeos/tray_tracing.h"
-#include "ash/system/locale/locale_observer.h"
 #include "ash/system/user/user_observer.h"
 #include "base/macros.h"
 #include "base/observer_list.h"
 
 #if defined(OS_CHROMEOS)
 #include "ash/system/chromeos/bluetooth/bluetooth_observer.h"
 #include "ash/system/chromeos/enterprise/enterprise_domain_observer.h"
 #include "ash/system/chromeos/network/network_observer.h"
 #include "ash/system/chromeos/network/network_portal_detector_observer.h"
 #include "ash/system/chromeos/screen_security/screen_capture_observer.h"
@@ skipping 12 matching lines @@
 #endif
 
 class ASH_EXPORT SystemTrayNotifier {
  public:
   SystemTrayNotifier();
   ~SystemTrayNotifier();
 
   void AddAudioObserver(AudioObserver* observer);
   void RemoveAudioObserver(AudioObserver* observer);
 
-  void AddLocaleObserver(LocaleObserver* observer);
-  void RemoveLocaleObserver(LocaleObserver* observer);
-
   void AddTracingObserver(TracingObserver* observer);
   void RemoveTracingObserver(TracingObserver* observer);
 
   void AddUserObserver(UserObserver* observer);
   void RemoveUserObserver(UserObserver* observer);
 
 #if defined(OS_CHROMEOS)
   void AddBluetoothObserver(BluetoothObserver* observer);
   void RemoveBluetoothObserver(BluetoothObserver* observer);
 
@@ skipping 26 matching lines @@
   void AddLastWindowClosedObserver(LastWindowClosedObserver* observer);
   void RemoveLastWindowClosedObserver(LastWindowClosedObserver* observer);
 #endif
 
   void NotifyAudioOutputVolumeChanged(uint64_t node_id, double volume);
   void NotifyAudioOutputMuteChanged(bool mute_on, bool system_adjust);
   void NotifyAudioNodesChanged();
   void NotifyAudioActiveOutputNodeChanged();
   void NotifyAudioActiveInputNodeChanged();
   void NotifyTracingModeChanged(bool value);
-  void NotifyLocaleChanged(LocaleObserver::Delegate* delegate,
-                           const std::string& cur_locale,
-                           const std::string& from_locale,
-                           const std::string& to_locale);
   void NotifyUserUpdate();
   void NotifyUserAddedToSession();
 #if defined(OS_CHROMEOS)
   void NotifyRefreshBluetooth();
   void NotifyBluetoothDiscoveringChanged();
   void NotifyShowLoginButtonChanged(bool show_login_button);
   void NotifyLogoutDialogDurationChanged(base::TimeDelta duration);
   void NotifySessionStartTimeChanged();
   void NotifySessionLengthLimitChanged();
   void NotifyRequestToggleWifi();
   void NotifyOnCaptivePortalDetected(const std::string& service_path);
   void NotifyEnterpriseDomainChanged();
   void NotifyMediaCaptureChanged();
   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();
   void NotifyLastWindowClosed();
 #endif
 
  private:
   base::ObserverList<AudioObserver> audio_observers_;
-  base::ObserverList<LocaleObserver> locale_observers_;
   base::ObserverList<TracingObserver> tracing_observers_;
   base::ObserverList<UserObserver> user_observers_;
 #if defined(OS_CHROMEOS)
   base::ObserverList<BluetoothObserver> bluetooth_observers_;
   base::ObserverList<LogoutButtonObserver> logout_button_observers_;
   base::ObserverList<SessionLengthLimitObserver>
       session_length_limit_observers_;
   base::ObserverList<NetworkObserver> network_observers_;
   base::ObserverList<NetworkPortalDetectorObserver>
       network_portal_detector_observers_;
   base::ObserverList<EnterpriseDomainObserver> enterprise_domain_observers_;
   base::ObserverList<MediaCaptureObserver> media_capture_observers_;
   base::ObserverList<ScreenCaptureObserver> screen_capture_observers_;
   base::ObserverList<ScreenShareObserver> screen_share_observers_;
   base::ObserverList<LastWindowClosedObserver> last_window_closed_observers_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(SystemTrayNotifier);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_TRAY_SYSTEM_TRAY_NOTIFIER_H_