Re-land: Implement ChromeVox Next menus.

chrome/browser/resources/chromeos/chromevox/chromevox/injected/console_tts.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 A TTS engine that writes to window.console.
  */
 
 goog.provide('cvox.ConsoleTts');
 
@@ skipping 44 matching lines @@
     console.log('Stop');
   }
 };
 
 /** @override */
 cvox.ConsoleTts.prototype.addCapturingEventListener = function(listener) { };
 
 /** @override */
 cvox.ConsoleTts.prototype.increaseOrDecreaseProperty = function() { };
 
+/** @override */
+cvox.ConsoleTts.prototype.propertyToPercentage = function() { };
+
 /**
  * Sets the enabled bit.
  * @param {boolean} enabled The new enabled bit.
  */
 cvox.ConsoleTts.prototype.setEnabled = function(enabled) {
   this.enabled_ = enabled;
 };
 
 /** @override */
 cvox.ConsoleTts.prototype.getDefaultProperty = function(property) { };