Remove keyIdentifier usage in chrome/browser/resources/*

chrome/browser/resources/options/chromeos/network_list.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.
 
 /**
  * Partial definition of the result of networkingPrivate.getProperties()).
  * TODO(stevenjb): Replace with chrome.networkingPrivate.NetworkStateProperties
  * once that is fully speced.
  * @typedef {{
  *   ConnectionState: string,
@@ skipping 1065 matching lines @@
           return;
         }
 
         if ($(activeMenu_).handleKeyDown(e)) {
           e.preventDefault();
           e.stopPropagation();
         }
         return;
       }
 
-      if (e.keyIdentifier == 'Enter' ||
-          e.keyIdentifier == 'U+0020' /* Space */) {
+      if (e.key == 'Enter' ||
+          e.key == ' ' /* Space */) {
         var selectedListItem = this.getListItemByIndex(
             this.selectionModel.selectedIndex);
         if (selectedListItem) {
           selectedListItem.click();
           return;
         }
       }
 
       List.prototype.handleKeyDown.call(this, e);
     },
@@ skipping 474 matching lines @@
   /**
    * Whether the Network list is disabled. Only used for display purpose.
    */
   cr.defineProperty(NetworkList, 'disabled', cr.PropertyKind.BOOL_ATTR);
 
   // Export
   return {
     NetworkList: NetworkList
   };
 });