Implement new password separated sign in flow for chrome desktop.

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.
  */
 
 login.createScreen('GaiaSigninScreen', 'gaia-signin', function() {
   // Gaia loading time after which error message must be displayed and
@@ skipping 486 matching lines @@
         if (data[name])
           params[name] = data[name];
       }
 
       if (data.localizedStrings)
         params.localizedStrings = data.localizedStrings;
 
       if (this.isNewGaiaFlow) {
         $('inner-container').classList.add('new-gaia-flow');
         params.chromeType = data.chromeType;
-        params.isNewGaiaFlowChromeOS = true;
+        params.isNewGaiaFlow = true;
       }
 
       if (data.gaiaEndpoint)
         params.gaiaPath = data.gaiaEndpoint;
 
       $('login-header-bar').newGaiaFlow = this.isNewGaiaFlow;
 
       // Screen size could have been changed because of 'new-gaia-flow' or
       // 'full-width' classes.
       if (Oobe.getInstance().currentScreen === this)
@@ skipping 530 matching lines @@
       }
 
       this.classList.toggle('whitelist-error', show);
       this.loading = !show;
 
       if (!show)
         Oobe.showSigninUI();
     }
   };
 });