Chromad: Add authentication flow

chromeos/login/auth/user_context.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 CHROMEOS_LOGIN_AUTH_USER_CONTEXT_H_
 #define CHROMEOS_LOGIN_AUTH_USER_CONTEXT_H_
 
 #include <string>
 
 #include "chromeos/chromeos_export.h"
@@ skipping 16 matching lines @@
   enum AuthFlow {
     // Online authentication against GAIA. GAIA did not redirect to a SAML IdP.
     AUTH_FLOW_GAIA_WITHOUT_SAML,
     // Online authentication against GAIA. GAIA redirected to a SAML IdP.
     AUTH_FLOW_GAIA_WITH_SAML,
     // Offline authentication against a cached key.
     AUTH_FLOW_OFFLINE,
     // Offline authentication using and Easy unlock device (e.g. a phone).
     AUTH_FLOW_EASY_UNLOCK,
     // Easy bootstrap flow.
-    AUTH_FLOW_EASY_BOOTSTRAP
+    AUTH_FLOW_EASY_BOOTSTRAP,
+    // Authentication against Active Directory server.
+    AUTH_FLOW_ACTIVE_DIRECTORY,
   };
 
   UserContext();
   UserContext(const UserContext& other);
   explicit UserContext(const AccountId& account_id);
   UserContext(user_manager::UserType user_type, const AccountId& account_id);
   ~UserContext();
 
   bool operator==(const UserContext& context) const;
   bool operator!=(const UserContext& context) const;
@@ skipping 47 matching lines @@
   user_manager::UserType user_type_ = user_manager::USER_TYPE_REGULAR;
   std::string public_session_locale_;
   std::string public_session_input_method_;
   std::string device_id_;
   std::string gaps_cookie_;
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_LOGIN_AUTH_USER_CONTEXT_H_