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chromium/third_party/blink/web_tests/external/wpt/mediacapture-fromelement/historical.html 

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>Historical features</title>
  <script src="/resources/testharness.js"></script>
  <script src="/resources/testharnessreport.js"></script>
</head>
<body>
  <script>
  // https://lists.w3.org/Archives/Public/public-media-capture/2015Nov/0012.html
  test(function() {
    assert_false(MediaStream.prototype.hasOwnProperty('onactive'));
  }, 'the deprecated MediaStream `onactive` event handler property is not available');
  </script>
</body>
</html>