First try at a user management screen for the desktop

chrome/browser/resources/chromeos/login/header_bar.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 Login UI header bar implementation.
  */
 
 cr.define('login', function() {
   /**
@@ skipping 26 matching lines @@
       $('cancel-add-user-button').addEventListener('click',
           this.handleCancelAddUserClick_);
       $('guest-user-header-bar-item').addEventListener('click',
           this.handleGuestClick_);
       $('guest-user-button').addEventListener('click',
           this.handleGuestClick_);
       $('sign-out-user-button').addEventListener('click',
           this.handleSignoutClick_);
       $('cancel-multiple-sign-in-button').addEventListener('click',
           this.handleCancelMultipleSignInClick_);
-
       if (document.documentElement.getAttribute('screen') == 'login')
         login.AppsMenuButton.decorate($('show-apps-button'));
     },
 
     /**
      * Tab index value for all button elements.
      * @type {number}
      */
     set buttonsTabIndex(tabIndex) {
       var buttons = this.getElementsByTagName('button');
@@ skipping 189 matching lines @@
    * Convenience wrapper of animateIn.
    */
   HeaderBar.animateIn = function() {
     $('login-header-bar').animateIn();
   }
 
   return {
     HeaderBar: HeaderBar
   };
 });