The Tor Browser / file revision

 /* Any copyright is dedicated to the Public Domain.

    http://creativecommons.org/publicdomain/zero/1.0/ */

 const URL = "data:text/html;charset=utf8,<p>JavaScript Profiler test</p>";

 let gTab, gPanel;

 function test() {

   waitForExplicitFinish();

   setUp(URL, function onSetUp(tab, browser, panel) {

     gTab = tab;

     gPanel = panel;

     function done() {

       tearDown(gTab, () => { gPanel = null; gTab = null; });

     }

     Services.prefs.setBoolPref(SHOW_PLATFORM_DATA, false);

     recordProfile()

       .then(toggleGeckoDataOption)

       .then(recordProfile)

       .then(done);

   });

 }

 function recordProfile() {

   let deferred = promise.defer();

   let record = gPanel.controls.record;

   gPanel.once("started", () => {

     gPanel.once("parsed", () => {

       // We cannot be sure which data is returned by

       // the profiler within a test. Until we get rid

       // of Cleopatra, at least.

       deferred.resolve();

     });

     record.click();

   });

   record.click();

   return deferred.promise;

 }

 function toggleGeckoDataOption() {

   ok(!gPanel.showPlatformData, "showPlatformData is not set");

   Services.prefs.setBoolPref(SHOW_PLATFORM_DATA, true);

   ok(gPanel.showPlatformData, "showPlatformData is set");

 }