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

chrome/browser/resources/chromeos/chromevox/testing/tester.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.
 
 goog.provide('cvox.ChromeVoxTester');
 
+goog.require('TestMsgs');
 goog.require('cvox.AbstractEarcons');
 goog.require('cvox.BrailleInterface');
 goog.require('cvox.ChromeVoxEventWatcher');
 goog.require('cvox.ChromeVoxUserCommands');
 goog.require('cvox.LiveRegions');
 goog.require('cvox.NavigationManager');
 goog.require('cvox.NavigationShifter');
 goog.require('cvox.QueueMode');
 goog.require('cvox.TestHost');
 goog.require('cvox.TestMathJax');
-goog.require('cvox.TestMsgs');
 goog.require('cvox.TestTts');
 
 
 /**
  * @fileoverview Testing framework for ChromeVox.
  *
  */
 
 
 /**
  * Initializes cvox.ChromeVoxTester and sets up the mock ChromeVox
  * environment.
  * @param {!Document} doc The DOM document to add event listeners to.
  */
 cvox.ChromeVoxTester.setUp = function(doc) {
   cvox.ChromeVox.mathJax = new cvox.TestMathJax();
 
   cvox.ChromeVox.navigationManager = new cvox.NavigationManager();
   cvox.ChromeVoxTester.testTts_ = new cvox.TestTts();
   cvox.ChromeVox.tts = cvox.ChromeVoxTester.testTts_;
 
   // TODO(deboer): Factor this out as 'TestEarcons'
   cvox.ChromeVox.earcons = new cvox.AbstractEarcons();
   cvox.ChromeVox.earcons.playEarcon = function(earcon) { };
 
   cvox.ChromeVox.braille = new cvox.BrailleInterface();
   cvox.ChromeVox.braille.write = function(params) {};
 
-  cvox.ChromeVox.msgs = new cvox.TestMsgs();
+  Msgs = TestMsgs;
 
   cvox.ChromeVox.host = new cvox.TestHost();
 
   // Init LiveRegions with a date of 0 so that the initial delay before
   // things is spoken is skipped.
   cvox.LiveRegions.init(new Date(0), cvox.QueueMode.QUEUE, false);
 
   cvox.ChromeVoxEventWatcher.init(doc);
   window.console.log('done setup');
 };
@@ skipping 72 matching lines @@
   cvox.ChromeVox.navigationManager.sync();
 };
 
 /**
  * Syncs to the first node in the test.
  */
 cvox.ChromeVoxTester.syncToFirstNode = function() {
   cvox.ChromeVox.navigationManager.updateSel(cvox.CursorSelection.fromBody());
   cvox.ChromeVox.navigationManager.sync();
 };