third_party/web_platform_tests/WebCryptoAPI/secure_context/crypto-subtle-secure-context-available.https.sub.html

<!DOCTYPE html>
<html>
<head>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
  <script>
    async_test(function(t) {
      assert_true(typeof crypto.subtle !== 'undefined');
      t.done();
    }, "Secure context window has access to crypto.subtle");
    async_test(function(t) {
      var w = new Worker('../util/worker-report-crypto-subtle-presence.js');

      w.onmessage = t.step_func(function (e) {
        if (e.data.msg_type == 'subtle_crypto_found') {
          assert_equals(e.data.msg_value, true);
          t.done();
        }
      });

    }, "Secure context worker has access to crypto.subtle");
  </script>
</body>
</html>