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

google_apis/gaia/gaia_auth_fetcher.h

 // Copyright (c) 2012 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 GOOGLE_APIS_GAIA_GAIA_AUTH_FETCHER_H_
 #define GOOGLE_APIS_GAIA_GAIA_AUTH_FETCHER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 91 matching lines @@
 
   // Start a request to exchange the cookies of a signed-in user session
   // for an OAuthLogin-scoped oauth2 token.  In the case of a session with
   // multiple accounts signed in, |session_index| indicate the which of accounts
   // within the session.
   //
   // Either OnClientOAuthSuccess or OnClientOAuthFailure will be
   // called on the consumer on the original thread.
   void StartCookieForOAuthLoginTokenExchange(const std::string& session_index);
 
+  // Start a request to exchange the authorization code for an OAuthLogin-scoped
+  // oauth2 token.
+  //
+  // Either OnClientOAuthSuccess or OnClientOAuthFailure will be
+  // called on the consumer on the original thread.
+  void StartAuthCodeForOAuth2TokenExchange(const std::string& auth_code);
+
   // Start a request to get user info for the account identified by |lsid|.
   //
   // Either OnGetUserInfoSuccess or OnGetUserInfoFailure will be
   // called on the consumer on the original thread.
   void StartGetUserInfo(const std::string& lsid);
 
   // Start a MergeSession request to pre-login the user with the given
   // credentials.
   //
   // Start a MergeSession request to fill the browsing cookie jar with
@@ skipping 228 matching lines @@
                                          const std::string& locale);
 
   static std::string MakeClientOAuthChallengeResponseBody(
       const std::string& name,
       const std::string& token,
       const std::string& solution);
 
   static std::string MakeOAuthLoginBody(const std::string& service,
                                         const std::string& source);
 
-  void StartOAuth2TokenPairFetch(const std::string& auth_code);
-
   // Create a fetcher usable for making any Gaia request.  |body| is used
   // as the body of the POST request sent to GAIA.  Any strings listed in
   // |headers| are added as extra HTTP headers in the request.
   //
   // |load_flags| are passed to directly to net::URLFetcher::Create() when
   // creating the URL fetcher.
   static net::URLFetcher* CreateGaiaFetcher(
       net::URLRequestContextGetter* getter,
       const std::string& body,
       const std::string& headers,
@@ skipping 43 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(GaiaAuthFetcherTest, ParseOAuth2TokenPairResponse);
   FRIEND_TEST_ALL_PREFIXES(GaiaAuthFetcherTest, ClientOAuthSuccess);
   FRIEND_TEST_ALL_PREFIXES(GaiaAuthFetcherTest, ClientOAuthWithQuote);
   FRIEND_TEST_ALL_PREFIXES(GaiaAuthFetcherTest, ClientOAuthChallengeSuccess);
   FRIEND_TEST_ALL_PREFIXES(GaiaAuthFetcherTest, ClientOAuthChallengeQuote);
 
   DISALLOW_COPY_AND_ASSIGN(GaiaAuthFetcher);
 };
 
 #endif  // GOOGLE_APIS_GAIA_GAIA_AUTH_FETCHER_H_