MD Settings: implement metrics reporting checkbox on desktop

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 784 matching lines @@
   browsePreload: 'chrome://md-settings/controls/controlled_radio_button.html',
 
   extraLibraries: CrSettingsBrowserTest.prototype.extraLibraries.concat([
     'controlled_radio_button_tests.js',
   ]),
 };
 
 TEST_F('CrControlledRadioButtonTest', 'All', function() {
   mocha.run();
 });
+
+GEN('#if defined(GOOGLE_CHROME_BUILD) && !defined(OS_CHROMEOS)');
+
+function CrSettingsMetricsReportingTest() {}
+
+CrSettingsMetricsReportingTest.prototype = {
+  __proto__: CrSettingsBrowserTest.prototype,
+
+  /** @override */
+  browsePreload: 'chrome://md-settings/privacy_page/privacy_page.html',
+
+  extraLibraries: CrSettingsBrowserTest.prototype.extraLibraries.concat([
+    'test_browser_proxy.js',
+    'metrics_reporting_tests.js',
+  ]),
+};
+
+TEST_F('CrSettingsMetricsReportingTest', 'All', function() {
+  mocha.run();
+});
+
+GEN('#endif');