Remove keyIdentifier usage in chrome/browser/resources/*

chrome/browser/resources/extensions/chromeos/kiosk_apps.js

 // Copyright 2013 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.
 
 cr.define('extensions', function() {
   /**
    * Encapsulated handling of ChromeOS kiosk apps options page.
    * @constructor
    */
   function KioskAppsOverlay() {
@@ skipping 53 matching lines @@
         errorBanner.classList.remove('visible');
         this.clearErrorTimer_ = null;
       }.bind(this), 5000);
     },
 
     /**
      * Handles keypressed event in the app id input element.
      * @private
      */
     handleAppIdInputKeyPressed_: function(e) {
-      if (e.keyIdentifier == 'Enter' && e.target.value)
+      if (e.key == 'Enter' && e.target.value)
         this.handleAddButtonClick_();
     },
 
     /**
      * Handles click event on the add button.
      * @private
      */
     handleAddButtonClick_: function() {
       var appId = $('kiosk-app-id-edit').value;
       if (!appId)
@@ skipping 53 matching lines @@
   };
 
   // Export
   return {
     KioskAppsOverlay: KioskAppsOverlay
   };
 });
 
 <include src="kiosk_app_list.js">
 <include src="kiosk_app_disable_bailout_confirm.js">