Disable the ChromeVox menu button until it's complete.

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 ChromeVox panel.
  *
  */
 
 goog.provide('Panel');
@@ skipping 36 matching lines @@
     if (event.key == 'brailleCaptions') {
       Panel.updateFromPrefs();
     }
   }, false);
 
   window.addEventListener('message', function(message) {
     var command = JSON.parse(message.data);
     Panel.exec(/** @type {PanelCommand} */(command));
   }, false);
 
-  $('menu').addEventListener('click', Panel.onMenu, false);
   $('options').addEventListener('click', Panel.onOptions, false);
   $('close').addEventListener('click', Panel.onClose, false);
 
+  // The ChromeVox menu isn't fully implemented yet, disable it.
+  $('menu').disabled = true;
+  $('triangle').style.display = 'none';
+
   Msgs.addTranslatedMessagesToDom(document);
 };
 
 /**
  * Update the display based on prefs.
  */
 Panel.updateFromPrefs = function() {
   if (localStorage['brailleCaptions'] === String(true)) {
     this.speechContainer_.style.visibility = 'hidden';
     this.brailleContainer_.style.visibility = 'visible';
@@ skipping 43 matching lines @@
       this.speechElement_.innerHTML += escapeForHtml(command.data);
       break;
     case PanelCommandType.UPDATE_BRAILLE:
       this.brailleTextElement_.textContent = command.data.text;
       this.brailleCellsElement_.textContent = command.data.braille;
       break;
   }
 };
 
 /**
- * Open the ChromeVox Menu.
- */
-Panel.onMenu = function() {
-  window.location = '#fullscreen';
-  // TODO(dmazzoni): implement the menu UI here.
-};
-
-/**
  * Open the ChromeVox Options.
  */
 Panel.onOptions = function() {
   var bkgnd =
       chrome.extension.getBackgroundPage()['global']['backgroundObj'];
   bkgnd['showOptionsPage']();
   window.location = '#';
 };
 
 /**
  * Exit ChromeVox.
  */
 Panel.onClose = function() {
   window.location = '#close';
 };
 
 window.addEventListener('load', function() {
   Panel.init();
 }, false);