Move UserContext to its own file

chrome/browser/chromeos/login/auth/auth_attempt_state.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_AUTH_AUTH_ATTEMPT_STATE_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_AUTH_AUTH_ATTEMPT_STATE_H_
 
 #include <string>
 
 #include "chrome/browser/chromeos/login/auth/login_status_consumer.h"
+#include "chrome/browser/chromeos/login/auth/user_context.h"
 #include "chrome/browser/chromeos/login/users/user.h"
 #include "google_apis/gaia/gaia_auth_consumer.h"
 #include "google_apis/gaia/gaia_auth_fetcher.h"
 #include "third_party/cros_system_api/dbus/service_constants.h"
 
 namespace chromeos {
 
 // Tracks the state associated with a single attempt to log in to chromium OS.
 // Enforces that methods are only called on the UI thread.
 class AuthAttemptState {
@@ skipping 87 matching lines @@
   // After the username hash request is completed, this marks whether
   // the request was successful.
   bool username_hash_valid_;
 
   DISALLOW_COPY_AND_ASSIGN(AuthAttemptState);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_AUTH_AUTH_ATTEMPT_STATE_H_