MD History: Close the item overflow menu when search results change

chrome/browser/resources/md_history/list_container.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: 'history-list-container',
 
   properties: {
     // The path of the currently selected page.
     selectedPage_: String,
@@ skipping 19 matching lines @@
     'toggle-menu': 'toggleMenu_',
   },
 
   /**
    * @param {HistoryQuery} info An object containing information about the
    *    query.
    * @param {!Array<HistoryEntry>} results A list of results.
    */
   historyResult: function(info, results) {
     this.initializeResults_(info, results);
+    this.closeMenu_();
 
     if (this.selectedPage_ == 'grouped-list') {
       this.$$('#grouped-list').historyData = results;
       return;
     }
 
     var list = /** @type {HistoryListElement} */(this.$['infinite-list']);
     list.addNewResults(results);
     if (info.finished)
       list.disableResultLoading();
@@ skipping 133 matching lines @@
         .then(function(items) {
           this.$['infinite-list'].removeDeletedHistory_(items);
           // This unselect-all is to reset the toolbar when deleting a selected
           // item. TODO(tsergeant): Make this automatic based on observing list
           // modifications.
           this.fire('unselect-all');
         }.bind(this));
     menu.closeMenu();
   },
 });