[MD Extensions] Fix item sorting

chrome/test/data/webui/extensions/extension_test_util.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 Common utilities for extension ui tests. */
 cr.define('extension_test_util', function() {
   /**
    * A mock to test that clicking on an element calls a specific method.
    * @constructor
    */
@@ skipping 28 matching lines @@
    */
   function testVisible(parentEl, selector, expectedVisible, opt_expected) {
     var element = parentEl.$$(selector);
     var rect = element ? element.getBoundingClientRect() : null;
     var isVisible = !!rect && rect.width * rect.height > 0;
     expectEquals(expectedVisible, isVisible, selector);
     if (expectedVisible && opt_expected && element)
       expectEquals(opt_expected, element.textContent, selector);
   }
 
+  /**
+   * Creates an ExtensionInfo object.
+   * @param {Object=} opt_properties A set of properties that will be used on
+   *     the resulting ExtensionInfo (otherwise defaults will be used).
+   * @return {chrome.developerPrivate.ExtensionInfo}
+   */
+  function createExtensionInfo(opt_properties) {
+    var id = opt_properties && opt_properties.hasOwnProperty('id') ?
+        opt_properties[id] : 'a'.repeat(32);
+    var baseUrl = 'chrome-extension://' + id + '/';
+    return Object.assign({
+      description: 'This is an extension',
+      iconUrl: 'chrome://extension-icon/' + id + '/24/0',
+      id: id,
+      incognitoAccess: {isEnabled: true, isActive: false},
+      location: 'FROM_STORE',
+      name: 'Wonderful Extension',
+      state: 'ENABLED',
+      type: 'EXTENSION',
+      version: '2.0',
+      views: [{url: baseUrl + 'foo.html'}, {url: baseUrl + 'bar.html'}],
+    }, opt_properties);
+  }
+
   return {
     ClickMock: ClickMock,
     testVisible: testVisible,
+    createExtensionInfo: createExtensionInfo,
   };
 });