MD Settings: Implementing modal popup/action menus.

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 51 matching lines @@
   },
 
   /** @private */
   onMakeDefaultTap_: function() {
     this.closePopupMenu_();
     this.browserProxy_.setDefaultSearchEngine(this.engine.modelIndex);
   },
 
   /** @private */
   closePopupMenu_: function() {
-    this.$$('iron-dropdown').close();
+    this.$$('dialog[is=settings-action-menu]').close();
   },
 
   /**
    * @param {?string} url The icon URL if available.
    * @return {string} A set of icon URLs.
    * @private
    */
   getIconSet_: function(url) {
     // Force default icon, if no |engine.iconURL| is available.
     return cr.icon.getFavicon(url || '');
   },
+
+  /** @private */
+  onDotsTap_: function() {
+    /** @type {!SettingsActionMenuElement} */ (
+        this.$$('dialog[is=settings-action-menu]')).showAt(
+            assert(this.$$('paper-icon-button')));
+  },
 });