iframe-context-filtration.https.html

<!DOCTYPE html>
<html>
<head>
  <script src="/resources/testharness.js"></script>
  <script src="/resources/testharnessreport.js"></script>

  <script src="resources/profile-utils.js"></script>
</head>
<body>
  <iframe src="resources/child-frame.html"></iframe>

  <script>
    promise_test(_ => new Promise(res => window.addEventListener('load', res)),
                 'wait for load event');

    promise_test(async t => {
      const profiler = new Profiler({
        sampleInterval: 10,
        maxBufferSize: Number.MAX_SAFE_INTEGER,
      });

      const iframe = frames[0];
      await ProfileUtils.forceSampleFrame(iframe);

      const trace = await profiler.stop();

      assert_false(ProfileUtils.containsFrame(trace, { name: 'sampleFromMessage' }),
                   'function from child context not included in trace');

      const childUrl = iframe.src;
      assert_false(ProfileUtils.containsResource(trace, childUrl),
                  'child resources are not included');
    }, 'functions from child frame are not included in profile created by parent frame');
  </script>
</body>
</html>

chromium/third_party/blink/web_tests/external/wpt/js-self-profiling/iframe-context-filtration.https.html