[Athena] Extract Chrome OS authentication stack

chrome/browser/chromeos/login/session/user_session_manager.h

 // Copyright 2014 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_SESSION_USER_SESSION_MANAGER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_SESSION_USER_SESSION_MANAGER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/memory/singleton.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/chromeos/base/locale_util.h"
 #include "chrome/browser/chromeos/login/auth/authenticator.h"
-#include "chrome/browser/chromeos/login/auth/user_context.h"
 #include "chrome/browser/chromeos/login/signin/oauth2_login_manager.h"
 #include "chrome/browser/chromeos/login/users/user.h"
+#include "chromeos/login/auth/user_context.h"
 #include "net/base/network_change_notifier.h"
 
 class PrefRegistrySimple;
 class PrefService;
 class Profile;
 
 namespace chromeos {
 
 // UserSessionManager is responsible for starting user session which includes:
 // load and initialize Profile (including custom Profile preferences),
@@ skipping 171 matching lines @@
   // Chrome oauth client id and secret - override values for kiosk mode.
   std::string chrome_client_id_;
   std::string chrome_client_secret_;
 
   DISALLOW_COPY_AND_ASSIGN(UserSessionManager);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SESSION_USER_SESSION_MANAGER_H_