Fix some JS style nits.

chrome/browser/resources/chromeos/chromevox/common/editable_text_test.unitjs

 // 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.
 
 // Include test fixture.
 GEN_INCLUDE(['../testing/chromevox_unittest_base.js']);
 
 /**
  * A TTS class implementing speak and stop methods intended only for testing.
  * @constructor
  * @implements cvox.TtsInterface
  */
 function TestTts() {
   this.strings = [];
 }
 
 /**
  * The strings that were spoken since the last call to get().
- * @type {Array.<string>}
+ * @type {Array<string>}
  */
 TestTts.prototype.strings;
 
 /**
  * Returns the list of strings spoken since the last time this method was
  * called, and then clears the list.
- * @return {Array.<string>} The list of strings.
+ * @return {Array<string>} The list of strings.
  */
 TestTts.prototype.get = function() {
   var result = this.strings;
   this.strings = [];
   return result;
 };
 
 /** @override */
 TestTts.prototype.speak = function(text, queueMode, properties) {
   this.strings.push(text);
@@ skipping 647 matching lines @@
   var firstLine = 'Some   text.\n';
   for (var i = 0; i < firstLine.length; ++i) {
     editable.update(true);
     TestBraille.assertContent(firstLine, i, i);
     window.getSelection().modify('move', 'forward', 'character');
   }
   // We should have crossed the line break to the second line which is blank.
   editable.update(true);
   TestBraille.assertContent('', 0, 0);
 });