[MD settings] display message about secondary install in default browser settings

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 323 matching lines @@
     'appearance_page_test.js',
   ]),
 };
 
 TEST_F('CrSettingsAppearancePageTest', 'AppearancePage', function() {
   settings_appearance.registerTests();
   mocha.run();
 });
 
 /**
+ * Test fixture for chrome/browser/resources/settings/default_browser_page/.
+ * @constructor
+ * @extends {CrSettingsBrowserTest}
+*/
+function CrSettingsDefaultBrowserTest() {}
+
+CrSettingsDefaultBrowserTest.prototype = {
+  __proto__: CrSettingsBrowserTest.prototype,
+
+  /** @override */
+  browsePreload:
+      'chrome://md-settings/default_browser_page/default_browser_page.html',
+
+  /** @override */
+  extraLibraries: CrSettingsBrowserTest.prototype.extraLibraries.concat([
+    'test_browser_proxy.js',
+    'default_browser_browsertest.js',
+  ]),
+};
+
+TEST_F('CrSettingsDefaultBrowserTest', 'DefaultBrowserPage', function() {
+  settings_default_browser.registerTests();
+  mocha.run();
+});
+
+/**
  * Test fixture for chrome/browser/resources/settings/search_page/.
  * @constructor
  * @extends {CrSettingsBrowserTest}
 */
 function CrSettingsSearchPageTest() {}
 
 CrSettingsSearchPageTest.prototype = {
   __proto__: CrSettingsBrowserTest.prototype,
 
   /** @override */
@@ skipping 461 matching lines @@
     'test_browser_proxy.js',
     'metrics_reporting_tests.js',
   ]),
 };
 
 TEST_F('CrSettingsMetricsReportingTest', 'All', function() {
   mocha.run();
 });
 
 GEN('#endif');