[MD Bookmarks] Add search.

chrome/browser/resources/md_bookmarks/store.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-store',
 
   properties: {
     /** @type {BookmarkTreeNode} */
     rootNode: {
       type: Object,
       notify: true,
     },
 
     selectedId: {
       type: String,
       observer: 'updateSelectedNode_',
       notify: true,
     },
 
     /** @type {BookmarkTreeNode} */
     selectedNode: {
       type: Object,
       notify: true,
       readOnly: true,
     },
 
     idToNodeMap_: Object,
+
+    searchTerm: {
+      type: String,
+      observer: 'updateSearchResult_',
+      notify: true,
+    },
+
+    searchResult: {
+      type: Array,
+      value: [],
+      notify: true,
+    },
   },
 
   /** @private {Object} */
   documentListeners_: null,
 
   /** @override */
   attached: function() {
     this.documentListeners_ = {
       'selected-folder-changed': this.onSelectedFolderChanged_.bind(this),
       'folder-open-changed': this.onFolderOpenChanged_.bind(this),
+      'search-term-changed': this.onSearchTermChanged_.bind(this),
     };
     for (var event in this.documentListeners_)
       document.addEventListener(event, this.documentListeners_[event]);
   },
 
   /** @override */
   detached: function() {
     for (var event in this.documentListeners_)
       document.removeEventListener(event, this.documentListeners_[event]);
   },
@@ skipping 20 matching lines @@
     this.fire('selected-folder-changed', this.rootNode.children[0].id);
   },
 
   /**
    * Selects the folder specified by the event and deselects the previously
    * selected folder.
    * @param {CustomEvent} e
    * @private
    */
   onSelectedFolderChanged_: function(e) {
+    // Clear search and thus set the sidebar to active.
+    this.set('searchTerm', '');
+
     // Deselect the old folder if defined.
     if (this.selectedId)
       this.set(this.idToNodeMap_[this.selectedId].path + '.isSelected', false);
 
     var selectedId = /** @type {string} */ (e.detail);
     var newFolder = this.idToNodeMap_[selectedId];
     this.set(newFolder.path + '.isSelected', true);
     this.selectedId = selectedId;
   },
 
@@ skipping 39 matching lines @@
     if (bookmarkNode.url)
       return;
 
     bookmarkNode.isSelected = false;
     bookmarkNode.isOpen = true;
     for (var i = 0; i < bookmarkNode.children.length; i++) {
       bookmarkNode.children[i].path = bookmarkNode.path + '.children.' + i;
       this.initNodes_(bookmarkNode.children[i]);
     }
   },
+
+  /**
+   * @param {Event} e
+   * @private
+   */
+  onSearchTermChanged_: function(e) {
+    this.searchTerm = /** @type {string} */ (e.detail);
+  },
+
+  /** @private */
+  updateSearchResult_: function() {
+    chrome.bookmarks.search(this.searchTerm, function(results) {
+      this.searchResult = results;
+    }.bind(this));
+  },
 });