Make setting's protocol handler use cr-action-menu instead of paper-item.

chrome/test/data/webui/settings/usb_devices_tests.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 Suite of tests for usb_devices. */
 cr.define('usb_devices', function() {
   function registerTests() {
     suite('UsbDevices', function() {
       /**
        * A dummy usb-devices element created before each test.
-       * @type {UsbDeviceEntry}
+       * @type {UsbDevices}
        */
       var testElement;
 
       /**
        * The mock proxy object to use during test.
        * @type {TestSiteSettingsPrefsBrowserProxy}
        */
       var browserProxy = null;
 
       /**
@@ skipping 124 matching lines @@
           return testRemovalFlow(1);
         });
       });
     });
   }
 
   return {
     registerTests: registerTests,
   };
 });