Remove keyIdentifier usage in chrome/browser/resources/*

chrome/browser/resources/bookmark_manager/js/bmm/bookmark_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.
 
 // TODO(arv): Now that this is driven by a data model, implement a data model
 //            that handles the loading and the events from the bookmark backend.
 
 /**
  * @typedef {{childIds: Array<string>}}
  *
@@ skipping 461 matching lines @@
       var urlEl = labelEl.nextSibling;
       var labelInput, urlInput;
 
       // Handles enter and escape which trigger reset and commit respectively.
       function handleKeydown(e) {
         // Make sure that the tree does not handle the key.
         e.stopPropagation();
 
         // Calling list.focus blurs the input which will stop editing the list
         // item.
-        switch (e.keyIdentifier) {
-          case 'U+001B':  // Esc
+        switch (e.key) {
+          case 'Escape':  // Esc
             labelInput.value = title;
             if (!isFolder)
               urlInput.value = url;
             // fall through
             cr.dispatchSimpleEvent(listItem, 'canceledit', true);
           case 'Enter':
             if (listItem.parentNode)
               listItem.parentNode.focus();
             break;
-          case 'U+0009':  // Tab
+          case 'Tab':  // Tab
             // urlInput is the last focusable element in the page.  If we
             // allowed Tab focus navigation and the page loses focus, we
             // couldn't give focus on urlInput programatically. So, we prevent
             // Tab focus navigation.
             if (document.activeElement == urlInput && !e.ctrlKey &&
                 !e.metaKey && !e.shiftKey && !getValidURL(urlInput)) {
               e.preventDefault();
               urlInput.blur();
             }
             break;
@@ skipping 125 matching lines @@
         }
       }
     }
   };
 
   return {
     BookmarkList: BookmarkList,
     list: /** @type {Element} */(null),  // Set when decorated.
   };
 });