MD Settings: add tests for <controlled-button>

chrome/test/data/webui/settings/cr_settings_browsertest.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 Runs the Polymer Settings tests. */
 
 /** @const {string} Path to source root. */
 var ROOT_PATH = '../../../../../';
 
 // Polymer BrowserTest fixture.
@@ skipping 645 matching lines @@
   ]),
 };
 
 TEST_F('CrSettingsRouteTest', 'All', function() {
   mocha.run();
 });
 
 /**
  * @constructor
  * @extends {SettingsPageBrowserTest}
-*/
+ */
 function CrSettingsNonExistentRouteTest() {}
 
 CrSettingsNonExistentRouteTest.prototype = {
   __proto__: CrSettingsBrowserTest.prototype,
 
   /** @override */
   browsePreload: 'chrome://md-settings/non/existent/route',
 };
 
 TEST_F('CrSettingsNonExistentRouteTest', 'All', function() {
@@ skipping 64 matching lines @@
   /** @override */
   extraLibraries: CrSettingsBrowserTest.prototype.extraLibraries.concat([
     'settings_main_test.js',
   ]),
 };
 
 TEST_F('CrSettingsMainPageTest', 'All', function() {
   settings_main_page.registerTests();
   mocha.run();
 });
+
+/**
+ * @constructor
+ * @extends {CrSettingsBrowserTest}
+ */
+function CrControlledButtonTest() {}
+
+CrControlledButtonTest.prototype = {
+  __proto__: CrSettingsBrowserTest.prototype,
+
+  /** @override */
+  browsePreload: 'chrome://md-settings/controls/controlled_button.html',
+
+  extraLibraries: CrSettingsBrowserTest.prototype.extraLibraries.concat([
+    'controlled_button_tests.js',
+  ]),
+};
+
+TEST_F('CrControlledButtonTest', 'All', function() {
+  mocha.run();
+});