Remove keyIdentifier usage in chrome/browser/resources/*

chrome/browser/resources/ntp4/apps_page.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.
 
 cr.define('ntp', function() {
   'use strict';
 
   var APP_LAUNCH = {
     // The histogram buckets (keep in sync with extension_constants.h).
     NTP_APPS_MAXIMIZED: 0,
@@ skipping 395 matching lines @@
       // Don't allow the click to trigger a link or anything
       e.preventDefault();
     },
 
     /**
      * Invoked when the user presses a key while the app is focused.
      * @param {Event} e The key event.
      * @private
      */
     onKeydown_: function(e) {
-      if (e.keyIdentifier == 'Enter') {
+      if (e.key == 'Enter') {
         chrome.send('launchApp',
                     [this.appId, APP_LAUNCH.NTP_APPS_MAXIMIZED, '',
                      0, e.altKey, e.ctrlKey, e.metaKey, e.shiftKey]);
         e.preventDefault();
         e.stopPropagation();
       }
     },
 
     /**
      * Adds a node to the list of targets that will launch the app. This list
@@ skipping 344 matching lines @@
     chrome.send('launchApp', [appId, APP_LAUNCH.NTP_APP_RE_ENABLE]);
   }
 
   return {
     APP_LAUNCH: APP_LAUNCH,
     App: App,
     AppsPage: AppsPage,
     launchAppAfterEnable: launchAppAfterEnable,
   };
 });