[cros login] Split login related classes into subfolders.

chrome/browser/chromeos/login/auth_sync_observer.h

-// Copyright 2013 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_LOGIN_AUTH_SYNC_OBSERVER_H_
-#define CHROME_BROWSER_CHROMEOS_LOGIN_AUTH_SYNC_OBSERVER_H_
-
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "chrome/browser/sync/profile_sync_service_observer.h"
-#include "components/keyed_service/core/keyed_service.h"
-
-class Profile;
-
-namespace chromeos {
-
-// This class is responsible for detecting authentication problems reported
-// by sync service and
-class AuthSyncObserver : public KeyedService,
-                         public ProfileSyncServiceObserver {
- public:
-  explicit AuthSyncObserver(Profile* user_profile);
-  virtual ~AuthSyncObserver();
-
-  void StartObserving();
-
- private:
-  friend class AuthSyncObserverFactory;
-
-  // KeyedService implementation.
-  virtual void Shutdown() OVERRIDE;
-
-  // ProfileSyncServiceObserver implementation.
-  virtual void OnStateChanged() OVERRIDE;
-
-  // Called on attempt to restore supervised user token.
-  void OnSupervisedTokenLoaded(const std::string& token);
-
-  Profile* profile_;
-
-  DISALLOW_COPY_AND_ASSIGN(AuthSyncObserver);
-};
-
-}  // namespace chromeos
-
-#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_AUTH_SYNC_OBSERVER_H_