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

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

 // Copyright 2016 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 ChromeVox commands.
  */
 
 goog.provide('CommandHandler');
 
@@ skipping 160 matching lines @@
       description['Version'] = chrome.app.getDetails().version;
       description['Reproduction Steps'] = '%0a1.%0a2.%0a3.';
       for (var key in description)
         url += key + ':%20' + description[key] + '%0a';
       chrome.tabs.create({url: url});
       return false;
     case 'toggleBrailleCaptions':
       cvox.BrailleCaptionsBackground.setActive(
           !cvox.BrailleCaptionsBackground.isEnabled());
       return false;
+    case 'toggleBrailleTable':
+      var brailleTableType = localStorage['brailleTableType'];
+      var output = '';
+      if (brailleTableType == 'brailleTable6') {
+        brailleTableType = 'brailleTable8';
+
+        // This label reads "switch to 8 dot braille".
+        output = '@OPTIONS_BRAILLE_TABLE_TYPE_6';
+      } else {
+        brailleTableType = 'brailleTable6';
+
+        // This label reads "switch to 6 dot braille".
+        output = '@OPTIONS_BRAILLE_TABLE_TYPE_8';
+      }
+
+      localStorage['brailleTable'] = localStorage[brailleTableType];
+      localStorage['brailleTableType'] = brailleTableType;
+      cvox.BrailleBackground.getInstance().getTranslatorManager().refresh(
+          localStorage[brailleTableType]);
+      new Output().format(output).go();
+      return false;
     case 'toggleChromeVoxVersion':
       if (!ChromeVoxState.instance.toggleNext())
         return false;
       if (ChromeVoxState.instance.currentRange) {
         ChromeVoxState.instance.navigateToRange(
             ChromeVoxState.instance.currentRange);
       }
       break;
     case 'help':
       (new PanelCommand(PanelCommandType.TUTORIAL)).send();
@@ skipping 663 matching lines @@
   if (imageNode.imageDataUrl) {
     var event = new CustomAutomationEvent(
         EventType.IMAGE_FRAME_UPDATED, imageNode, 'page');
     CommandHandler.onImageFrameUpdated_(event);
   } else {
     imageNode.getImageData(0, 0);
   }
 };
 
 }); //  goog.scope