[MD Bookmarks] Add search.

chrome/browser/resources/md_bookmarks/list.js

 // Copyright 2016 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.
 
 Polymer({
   is: 'bookmarks-list',
 
   properties: {
     /** @type {BookmarkTreeNode} */
-    selectedNode: Object,
+    menuItem_: Object,
 
-    /** @type {BookmarkTreeNode} */
-    menuItem_: Object,
+    displayedList: Array,

[tsergeant, 2017/01/12 06:45:05]

Closure annotation here

[angelayang, 2017/01/12 07:51:24]

Done.

   },
 
   listeners: {
     'open-item-menu': 'onOpenItemMenu_',
   },
 
   /**
    * @param {Event} e
    * @private
    */
@@ skipping 51 matching lines @@
 
   /** @private */
   closeDropdownMenu_: function() {
     var menu = /** @type {!CrActionMenuElement} */ (
         this.$.dropdown);
     menu.close();
   },
 
   /** @private */
   isListEmpty_: function() {
-    return this.selectedNode.children.length == 0;
+    return this.displayedList.length == 0;
   }
 });