MD Settings: validate startup URLs

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 231 matching lines @@
     ROOT_PATH + 'ui/webui/resources/js/promise_resolver.js',
     'test_browser_proxy.js',
     'system_page_tests.js',
   ]),
 };
 
 TEST_F('CrSettingsSystemPageTest', 'Restart', function() {
   mocha.run();
 });
 GEN('#endif');
+
+/**
+ * @constructor
+ * @extends {CrSettingsBrowserTest}
+ */
+function CrSettingsStartupUrlsPageTest() {}
+
+CrSettingsStartupUrlsPageTest.prototype = {
+  __proto__: CrSettingsBrowserTest.prototype,
+
+  browsePreload: 'chrome://md-settings/on_startup_page/startup_urls_page.html',
+
+  extraLibraries: CrSettingsBrowserTest.prototype.extraLibraries.concat([
+    ROOT_PATH + 'ui/webui/resources/js/promise_resolver.js',
+    'test_browser_proxy.js',
+    'startup_urls_page_test.js',
+  ]),
+};
+
+TEST_F('CrSettingsStartupUrlsPageTest', 'Validity', function() {
+  mocha.run();
+});