Revert of Make ChromeVox Next the default ChromeVox experience

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

 // Copyright 2014 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 entry point for all ChromeVox2 related code for the
  * background page.
  */
 
 goog.provide('Background');
@@ skipping 334 matching lines @@
    * the start of the current range.
    * @param {boolean=} opt_setValue Directly set to force next (true) or
    *                                classic/compat (false).
    * @return {boolean} True to announce current position.
    */
   toggleNext: function(opt_setValue) {
     var useNext;
     if (opt_setValue !== undefined)
       useNext = opt_setValue;
     else
-      useNext = localStorage['useNext'] !== 'true';
+      useNext = localStorage['useNext'] != 'true';
 
     localStorage['useNext'] = useNext;
     if (useNext)
       this.setCurrentRangeToFocus_();
     else
       this.setCurrentRange(null);
 
     var announce = Msgs.getMsg(useNext ?
         'switch_to_next' : 'switch_to_classic');
     cvox.ChromeVox.tts.speak(
@@ skipping 403 matching lines @@
   return new RegExp('^(' + globs.map(function(glob) {
     return glob.replace(/[.+^$(){}|[\]\\]/g, '\\$&')
         .replace(/\*/g, '.*')
         .replace(/\?/g, '.');
   }).join('|') + ')$');
 };
 
 new Background();
 
 });  // goog.scope