Ensure ChromeVox defaults to ChromeVox Next on upgrade

chrome/browser/resources/chromeos/chromevox/cvox2/background/panel.js

 // Copyright 2015 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 The ChromeVox panel and menus.
  */
 
 goog.provide('Panel');
 
@@ skipping 86 matching lines @@
    * @private
    */
   this.activeMenu_ = null;
 
   /**
    * True if the menu button in the panel is enabled at all. It's disabled if
    * ChromeVox Next is not active.
    * @type {boolean}
    * @private
    */
-  this.menusEnabled_ = localStorage['useNext'] == 'true';
+  this.menusEnabled_ = localStorage['useClassic'] == 'false';
 
   /**
    * @type {Tutorial}
    * @private
    */
   this.tutorial_ = new Tutorial();
 
   Panel.setPendingCallback(null);
   Panel.updateFromPrefs();
 
@@ skipping 743 matching lines @@
 }, false);
 
 window.addEventListener('hashchange', function() {
   if (location.hash == '#fullscreen' || location.hash == '#focus') {
     this.originalStickyState_ = cvox.ChromeVox.isStickyPrefOn;
     cvox.ChromeVox.isStickyPrefOn = false;
   } else {
     cvox.ChromeVox.isStickyPrefOn = this.originalStickyState_;
   }
 }, false);