Added flags to override hosts for LSO URLs.

google_apis/gaia/gaia_switches.cc

 // 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.
 
 #include "google_apis/gaia/gaia_switches.h"
 
 namespace switches {
 
 const char kClientLoginToOAuth2Url[]        = "client-login-to-oauth2-url";
 const char kGaiaHost[]                      = "gaia-host";
 const char kGaiaUrlPath[]                   = "gaia-url-path";
+const char kGoogleApisHost[]                = "google-apis-host";
+const char kLsoHost[]                       = "lso-host";
 const char kOAuth1LoginScope[]              = "oauth1-login-scope";
 const char kOAuth2IssueTokenUrl[]           = "oauth2-issue-token-url";
 const char kOAuth2TokenUrl[]                = "oauth2-token-url";
 const char kOAuthUserInfoUrl[]              = "oauth-user-info-url";
 
 }  // namespace switches