Add a command to toggle between 6 and 8 dot braille.

chrome/browser/resources/chromeos/chromevox/braille/braille_translator_manager.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 Keeps track of the current braille translators.
  */
 
 goog.provide('cvox.BrailleTranslatorManager');
 
@@ skipping 174 matching lines @@
   /**
    * Asynchronously fetches the list of braille tables and refreshes the
    * translators when done.
    * @private
    */
   fetchTables_: function() {
     cvox.BrailleTable.getAll(function(tables) {
       this.tables_ = tables;
 
       // Initial refresh; set options from user preferences.
-      this.refresh(localStorage['brailleTable'], localStorage['brailleTable8']);
+      this.refresh(localStorage['brailleTable']);
     }.bind(this));
   },
 
   /**
    * Loads the liblouis instance by attaching it to the document.
    * @private
    */
   loadLiblouis_: function() {
     // Cast away nullability.  When the document is loaded, it will always
     // have a body.
@@ skipping 10 matching lines @@
   },
 
   /**
    * @return {!Array<cvox.BrailleTable.Table>} The currently loaded braille
    *     tables, or an empty array if they are not yet loaded.
    */
   getTablesForTest: function() {
     return this.tables_;
   }
 };