Remove keyIdentifier usage in chrome/browser/resources/*

chrome/browser/resources/chromeos/user_images_grid.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('options', function() {
   /** @const */ var ArrayDataModel = cr.ui.ArrayDataModel;
   /** @const */ var Grid = cr.ui.Grid;
   /** @const */ var GridItem = cr.ui.GridItem;
   /** @const */ var GridSelectionController = cr.ui.GridSelectionController;
   /** @const */ var ListSingleSelectionModel = cr.ui.ListSingleSelectionModel;
@@ skipping 81 matching lines @@
 
     /** @override */
     getIndexAfter: function(index) {
       var result =
           GridSelectionController.prototype.getIndexAfter.call(this, index);
       return result == -1 ? this.getFirstIndex() : result;
     },
 
     /** @override */
     handleKeyDown: function(e) {
-      if (e.keyIdentifier == 'Enter')
+      if (e.key == 'Enter')
         cr.dispatchSimpleEvent(this.grid_, 'activate');
       else
         GridSelectionController.prototype.handleKeyDown.call(this, e);
     }
   };
 
   /**
    * Creates a new user images grid element.
    * @param {Object=} opt_propertyBag Optional properties.
    * @constructor
@@ skipping 558 matching lines @@
   UserImagesGrid.ButtonImages = {
     TAKE_PHOTO: 'chrome://theme/IDR_BUTTON_USER_IMAGE_TAKE_PHOTO',
     CHOOSE_FILE: 'chrome://theme/IDR_BUTTON_USER_IMAGE_CHOOSE_FILE',
     PROFILE_PICTURE: 'chrome://theme/IDR_PROFILE_PICTURE_LOADING'
   };
 
   return {
     UserImagesGrid: UserImagesGrid
   };
 });