Indicate which authentication flow was used in UserContext

chrome/browser/resources/chromeos/login/screen_gaia_signin.js

 // 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.
 
 /**
  * @fileoverview Oobe signin screen implementation.
  */
 
 <include src="../../gaia_auth_host/gaia_auth_host.js"></include>
 
@@ skipping 404 matching lines @@
         this.email = credentials.email;
         chrome.send('authenticateUser',
                     [credentials.email, credentials.password]);
       } else if (credentials.authCode) {
         chrome.send('completeAuthentication',
                     [credentials.email,
                      credentials.password,
                      credentials.authCode]);
       } else {
         chrome.send('completeLogin',
-                    [credentials.email, credentials.password]);
+                    [credentials.email,
+                     credentials.password,
+                     credentials.usingSAML]);
       }
 
       this.loading = true;
       // Now that we're in logged in state header should be hidden.
       Oobe.getInstance().headerHidden = true;
       // Clear any error messages that were shown before login.
       Oobe.clearErrors();
     },
 
     /**
@@ skipping 109 matching lines @@
      * Handler for iframe's error notification coming from the outside.
      * For more info see C++ class 'SnifferObserver' which calls this method.
      * @param {number} error Error code.
      */
     onFrameError: function(error) {
       this.error_ = error;
       chrome.send('frameLoadingCompleted', [this.error_]);
     },
   };
 });