Implements the dialog view for logout button tray in public sessions.

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/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"
+#include "base/time/time.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 {
 
@@ skipping 61 matching lines @@
   void NotifyTracingModeChanged(bool value);
   void NotifyRefreshBluetooth();
   void NotifyBluetoothDiscoveringChanged();
   void NotifyCapsLockChanged(bool enabled, bool search_mapped_to_caps_lock);
   void NotifyRefreshClock();
   void NotifyDateFormatChanged();
   void NotifySystemClockTimeUpdated();
   void NotifyDriveJobUpdated(const DriveOperationStatus& status);
   void NotifyRefreshIME(bool show_message);
   void NotifyShowLoginButtonChanged(bool show_login_button);
+  void NotifyLogoutDialogDurationChanged(base::TimeDelta duration);
   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();
   void NotifyUserAddedToSession();
 #if defined(OS_CHROMEOS)
@@ skipping 31 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_