MD Settings: Close action menu when search engine is removed.

chrome/browser/resources/settings/search_engines_page/search_engine_entry.js

 // Copyright 2015 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.
 
 /**
  * @fileoverview 'settings-search-engine-entry' is a component for showing a
  * search engine with its name, domain and query URL.
  */
 Polymer({
   is: 'settings-search-engine-entry',
@@ skipping 25 matching lines @@
    * @return {boolean}
    * @private
    */
   computeIsDefault_: function() {
     return this.engine.default;
   },
 
   /** @private */
   onDeleteTap_: function() {
     this.browserProxy_.removeSearchEngine(this.engine.modelIndex);
+    this.closePopupMenu_();
   },
 
   /** @private */
   onEditTap_: function() {
     this.closePopupMenu_();
 
     this.showEditSearchEngineDialog_ = true;
     this.async(function() {
       var dialog = this.$$('settings-search-engine-dialog');
       // Register listener to detect when the dialog is closed. Flip the boolean
@@ skipping 26 matching lines @@
     return cr.icon.getFavicon(url || '');
   },
 
   /** @private */
   onDotsTap_: function() {
     /** @type {!SettingsActionMenuElement} */ (
         this.$$('dialog[is=settings-action-menu]')).showAt(
             assert(this.$$('paper-icon-button')));
   },
 });