Support for auth code based authentication flow for both app and web UI driven flow.

chrome/browser/chromeos/login/oauth2_login_manager.h

 // Copyright (c) 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_OAUTH2_LOGIN_MANAGER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_OAUTH2_LOGIN_MANAGER_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 22 matching lines @@
   virtual ~OAuth2LoginManager();
 
   static void RegisterUserPrefs(PrefRegistrySyncable* registry);
 
   // OAuthLoginManager overrides.
   virtual void RestorePolicyTokens(
       net::URLRequestContextGetter* auth_request_context) OVERRIDE;
   virtual void RestoreSession(
       Profile* user_profile,
       net::URLRequestContextGetter* auth_request_context,
-      bool restore_from_auth_cookies) OVERRIDE;
+      SessionRestoreStrategy restore_strategy,
+      const std::string& oauth2_refresh_token,
+      const std::string& auth_code) OVERRIDE;
   virtual void ContinueSessionRestore() OVERRIDE;
   virtual void Stop() OVERRIDE;
 
  private:
   // Session restore outcomes (for UMA).
   enum {
     SESSION_RESTORE_UNDEFINED = 0,
     SESSION_RESTORE_SUCCESS = 1,
     SESSION_RESTORE_TOKEN_FETCH_FAILED = 2,
     SESSION_RESTORE_NO_REFRESH_TOKEN_FAILED = 3,
@@ skipping 57 matching lines @@
 
   // Keeps the track if we have already reported OAuth2 token being loaded
   // by TokenService.
   bool loading_reported_;
   content::NotificationRegistrar registrar_;
   scoped_ptr<OAuth2TokenFetcher> oauth2_token_fetcher_;
   scoped_ptr<OAuth2LoginVerifier> login_verifier_;
   scoped_ptr<OAuth2PolicyFetcher> oauth2_policy_fetcher_;
   // OAuth2 refresh token.
   std::string refresh_token_;
+  // Authorization code for fetching OAuth2 tokens.
+  std::string auth_code_;
 
   DISALLOW_COPY_AND_ASSIGN(OAuth2LoginManager);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_OAUTH2_LOGIN_MANAGER_H_