Remove retail mode.

chrome/browser/chromeos/kiosk_mode/kiosk_mode_idle_logout.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_CHROMEOS_KIOSK_MODE_KIOSK_MODE_IDLE_LOGOUT_H_
-#define CHROME_BROWSER_CHROMEOS_KIOSK_MODE_KIOSK_MODE_IDLE_LOGOUT_H_
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "base/timer/timer.h"
-#include "content/public/browser/notification_observer.h"
-#include "content/public/browser/notification_registrar.h"
-#include "ui/wm/core/user_activity_observer.h"
-
-namespace chromeos {
-
-class KioskModeIdleLogout : public wm::UserActivityObserver,
-                            public content::NotificationObserver {
- public:
-  static void Initialize();
-
-  KioskModeIdleLogout();
-  virtual ~KioskModeIdleLogout();
-
- private:
-  friend class KioskModeIdleLogoutTest;
-
-  // Really initialize idle logout when KioskModeHelper is initialized.
-  void Setup();
-
-  // Overridden from content::NotificationObserver:
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) override;
-
-  // wm::UserActivityObserver overrides:
-  virtual void OnUserActivity(const ui::Event* event) override;
-
-  // Begins listening for user activity and calls ResetTimer().
-  void Start();
-
-  // Resets |timer_| to fire when the logout dialog should be shown.
-  void ResetTimer();
-
-  // Invoked by |timer_| to display the logout dialog.
-  void OnTimeout();
-
-  content::NotificationRegistrar registrar_;
-
-  base::OneShotTimer<KioskModeIdleLogout> timer_;
-
-  DISALLOW_COPY_AND_ASSIGN(KioskModeIdleLogout);
-};
-
-}  // namespace chromeos
-
-#endif  // CHROME_BROWSER_CHROMEOS_KIOSK_MODE_KIOSK_MODE_IDLE_LOGOUT_H_