Enable a11y audit for chrome://settings

chrome/browser/ui/webui/options/content_options_browsertest.js

Index: chrome/browser/ui/webui/options/content_options_browsertest.js
diff --git a/chrome/browser/ui/webui/options/content_options_browsertest.js b/chrome/browser/ui/webui/options/content_options_browsertest.js
index 1c714053b188be7f1826ef2983d9f610149a245a..863fb28f88094f5b8e12692693a554a610834326 100644
--- a/chrome/browser/ui/webui/options/content_options_browsertest.js
+++ b/chrome/browser/ui/webui/options/content_options_browsertest.js
@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+GEN_INCLUDE(['options_browsertest_base.js']);
+
 /**
  * TestFixture for content options WebUI testing.
  * @extends {testing.Test}
@@ -10,10 +12,11 @@
 function ContentOptionsWebUITest() {}
 
 ContentOptionsWebUITest.prototype = {
-  __proto__: testing.Test.prototype,
+  __proto__: OptionsBrowsertestBase.prototype,
 
   /**
    * Browse to content options.
+   * @override
    */
   browsePreload: 'chrome://settings-frame/content',
 };