MD Settings: Migrate cups_printers_list.html to settings-action-menu.

chrome/browser/resources/settings/printing_page/cups_printers_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.
 
 /**
  * @fileoverview 'settings-cups-printers-list' is a component for a list of
  * CUPS printers.
  */
 Polymer({
   is: 'settings-cups-printers-list',
 
   properties: {
     /** @type {!Array<!CupsPrinterInfo>} */
     printers: {
       type: Array,
       notify: true,
     },
 
     searchTerm: {
       type: String,
     },
+
+    /**
+     * The model for the printer action menu.
+     * @private {?CupsPrinterInfo}
+     */
+    activePrinter_: Object,
   },
 
   /** @private {settings.CupsPrintersBrowserProxy} */
   browserProxy_: null,
 
   /** @override */
   created: function() {
     this.browserProxy_ = settings.CupsPrintersBrowserProxyImpl.getInstance();
   },
 
   /**
+   * @param {!{model: !{item: !CupsPrinterInfo}}} e
+   * @private
+   */
+  onOpenActionMenuTap_: function(e) {
+    this.activePrinter_ = e.model.item;
+    var menu = /** @type {!SettingsActionMenuElement} */ (
+        this.$$('dialog[is=settings-action-menu]'));
+    menu.showAt(/** @type {!Element} */ (
+        Polymer.dom(/** @type {!Event} */ (e)).localTarget));
+  },
+
+  /**
    * @param {{model:Object}} event
    * @private
    */
   onDetailsTap_: function(event) {
+    // Event is caught by 'settings-printing-page'.
+    this.fire('show-cups-printer-details', this.activePrinter_);
     this.closeDropdownMenu_();
-
-    // Event is caught by 'settings-printing-page'.
-    this.fire('show-cups-printer-details', event.model.item);
   },
 
   /**
    * @param {{model:Object}} event
    * @private
    */
   onRemoveTap_: function(event) {
+    var index = this.printers.indexOf(assert(this.activePrinter_));
+    this.splice('printers', index, 1);
+    this.browserProxy_.removeCupsPrinter(this.activePrinter_.printerId,
+                                         this.activePrinter_.printerName);
     this.closeDropdownMenu_();
-
-    var index = this.printers.indexOf(event.model.item);
-    this.splice('printers', index, 1);
-    this.browserProxy_.removeCupsPrinter(event.model.item.printerId,
-                                         event.model.item.printerName);
   },
 
   /** @private */
   closeDropdownMenu_: function() {
-    this.$$('iron-dropdown').close();
+    this.activePrinter_ = null;
+    var menu = /** @type {!SettingsActionMenuElement} */ (
+        this.$$('dialog[is=settings-action-menu]'));
+    menu.close();
   },
 
   /**
    * The filter callback function to show printers based on |searchTerm|.
    * @param {string} searchTerm
    * @private
    */
   filterPrinter_: function(searchTerm) {
     if (!searchTerm)
       return null;
     return function(printer) {
       return printer.printerName.toLowerCase().includes(
           searchTerm.toLowerCase());
     };
   },
 });