Fix some JS style nits.

chrome/test/data/chromeos/virtual_keyboard/layout_test.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.
  */
 
 /**
  * Verifies that the layout matches with expectations.
- * @param {Array.<string>} rows List of strings where each string indicates the
+ * @param {Array<string>} rows List of strings where each string indicates the
  *     expected sequence of characters on the corresponding row.
  */
 function verifyLayout(rows) {
   var rowIndex = 1;
   rows.forEach(function(sequence) {
     var rowId = 'row' + rowIndex++;
     var first = sequence[0];
     var key = findKey(first, rowId);
     assertTrue(!!key, 'Unable to find "' + first + '" in "' + rowId + '"');
     key = getSoftKeyView(key);
@@ skipping 227 matching lines @@
     name: 'English'
   };
   // Explicitly set up the available input methods.
   chrome.inputMethodPrivate.getInputMethods.setCallbackData([
     {id: 'us', name: 'US Keyboard', indicator: 'US'},
     {id: 'fr', name: 'French Keyboard', indicator: 'Fr'},
     {id: 'de', name: 'German Keyboard', indicator: 'De'}
   ]);
   onKeyboardReady(testCallback, config);
 }