Use a distinct source parameter on gaia endpoints for the reconcilor.

google_apis/gaia/gaia_urls.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_URLS_H_
 #define GOOGLE_APIS_GAIA_GAIA_URLS_H_
 
 #include <string>
 
 #include "base/memory/singleton.h"
@@ skipping 14 matching lines @@
   const GURL& issue_auth_token_url() const;
   const GURL& get_user_info_url() const;
   const GURL& token_auth_url() const;
   const GURL& merge_session_url() const;
   const GURL& get_oauth_token_url() const;
   const GURL& oauth_get_access_token_url() const;
   const GURL& oauth_wrap_bridge_url() const;
   const GURL& oauth_user_info_url() const;
   const GURL& oauth_revoke_token_url() const;
   const GURL& oauth1_login_url() const;
-  const GURL& list_accounts_url() const;
   const GURL& embedded_signin_url() const;
   const GURL& add_account_url() const;
-  const GURL& get_check_connection_info_url() const;
 
   const std::string& oauth2_chrome_client_id() const;
   const std::string& oauth2_chrome_client_secret() const;
   const GURL& client_login_to_oauth2_url() const;
   const GURL& oauth2_auth_url() const;
   const GURL& oauth2_token_url() const;
   const GURL& oauth2_issue_token_url() const;
   const GURL& oauth2_token_info_url() const;
   const GURL& oauth2_revoke_url() const;
 
   const GURL& gaia_login_form_realm() const;
 
+  GURL ListAccountsURLWithSource(const std::string& source);
+  GURL GetCheckConnectionInfoURLWithSource(const std::string& source);
+
  private:
   GaiaUrls();
   ~GaiaUrls();
 
   friend struct DefaultSingletonTraits<GaiaUrls>;
 
   GURL gaia_url_;
   GURL captcha_base_url_;
 
   GURL lso_origin_url_;
@@ skipping 27 matching lines @@
   GURL oauth2_issue_token_url_;
   GURL oauth2_token_info_url_;
   GURL oauth2_revoke_url_;
 
   GURL gaia_login_form_realm_;
 
   DISALLOW_COPY_AND_ASSIGN(GaiaUrls);
 };
 
 #endif  // GOOGLE_APIS_GAIA_GAIA_URLS_H_