[cros login] Split login related classes into subfolders.

chrome/browser/chromeos/login/signin/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_
+#ifndef CHROME_BROWSER_CHROMEOS_LOGIN_SIGNIN_AUTH_SYNC_OBSERVER_H_
+#define CHROME_BROWSER_CHROMEOS_LOGIN_SIGNIN_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;
 
@@ skipping 21 matching lines @@
   // 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_
+#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SIGNIN_AUTH_SYNC_OBSERVER_H_