Improve braille related message descriptions and clean up message handling in Chromevox.

chrome/browser/resources/chromeos/chromevox/host/interface/abstract_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 Base class for Text-to-Speech engines that actually transform
  * text to speech.
  *
  */
 
 goog.provide('cvox.AbstractTts');
 
+goog.require('Msgs');
 goog.require('cvox.TtsInterface');
 goog.require('goog.i18n.MessageFormat');
 
 /**
  * Creates a new instance.
  * @constructor
  * @implements {cvox.TtsInterface}
  */
 cvox.AbstractTts = function() {
   this.ttsProperties = new Object();
@@ skipping 208 matching lines @@
   // simultaneously.
   text = text.replace(
       cvox.AbstractTts.substitutionDictionaryRegexp_,
       function(symbol) {
         return ' ' + cvox.AbstractTts.SUBSTITUTION_DICTIONARY[symbol] + ' ';
       });
 
   // Handle single characters that we want to make sure we pronounce.
   if (text.length == 1) {
     return cvox.AbstractTts.CHARACTER_DICTIONARY[text] ?
-        (new goog.i18n.MessageFormat(cvox.ChromeVox.msgs.getMsg(
+        (new goog.i18n.MessageFormat(Msgs.getMsg(
                 cvox.AbstractTts.CHARACTER_DICTIONARY[text])))
             .format({'COUNT': 1}) :
         text.toUpperCase();
   }
 
   // Substitute all words in the pronunciation dictionary. This is pretty
   // efficient because we use a single regexp that matches all words
   // simultaneously, and it calls a function with each match, which we can
   // use to look up the replacement in our dictionary.
   text = text.replace(
@@ skipping 293 matching lines @@
 
 /**
  * Constructs a description of a repeated character. Use as a param to
  * string.replace.
  * @param {string} match The matching string.
  * @return {string} The description.
  * @private
  */
 cvox.AbstractTts.repetitionReplace_ = function(match) {
   var count = match.length;
-  return ' ' + (new goog.i18n.MessageFormat(cvox.ChromeVox.msgs.getMsg(
+  return ' ' + (new goog.i18n.MessageFormat(Msgs.getMsg(
       cvox.AbstractTts.CHARACTER_DICTIONARY[match[0]])))
           .format({'COUNT': count}) + ' ';
 };
 
 
 /**
  * @override
  */
 cvox.AbstractTts.prototype.getDefaultProperty = function(property) {
   return this.propertyDefault[property];
 };