Remove keyIdentifier usage in chrome/browser/resources/*

chrome/browser/ui/webui/options/edit_dictionary_browsertest.js

 // Copyright (c) 2012 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.
 
 GEN_INCLUDE(['options_browsertest_base.js']);
 
 /**
  * TestFixture for EditDictionaryOverlay WebUI testing.
  * @extends {testing.Test}
  * @constructor
@@ skipping 89 matching lines @@
   expectEquals(3, EditDictionaryOverlay.getWordListForTesting().items.length);
 });
 
 TEST_F('EditDictionaryWebUITest', 'testNoCloseOnSearchEnter', function() {
   var editDictionaryPage = EditDictionaryOverlay.getInstance();
   assertTrue(editDictionaryPage.visible);
   var searchField = $('language-dictionary-overlay-search-field');
   searchField.dispatchEvent(new KeyboardEvent('keydown', {
     'bubbles': true,
     'cancelable': true,
-    'keyIdentifier': 'Enter'
+    'key': 'Enter'
   }));
   assertTrue(editDictionaryPage.visible);
 });
 
 // Verify that dictionary shows newly added words that arrived in a
 // notification, but ignores duplicate add notifications.
 TEST_F('EditDictionaryWebUITest', 'testAddNotification', function() {
   // Begin with an empty dictionary.
   EditDictionaryOverlay.setWordList([]);
   expectEquals(1, EditDictionaryOverlay.getWordListForTesting().items.length);
@@ skipping 30 matching lines @@
   // Backend notifies UI that the word 'baz' has been removed. UI ignores this
   // notification.
   EditDictionaryOverlay.updateWords([], ['baz']);
   expectEquals(4, EditDictionaryOverlay.getWordListForTesting().items.length);
 
   // Backend notifies UI that words 'foo' and 'bar' have been removed. UI
   // removes these words.
   EditDictionaryOverlay.updateWords([], ['foo', 'bar']);
   expectEquals(2, EditDictionaryOverlay.getWordListForTesting().items.length);
 });