rm_test.cc
  window.cefQuery({
    request: JSON.stringify(request),
    onSuccess: function(response) {
      alert('Widevine CDM plugin loaded successfully!');
      // Registration succeeded so test again.
      doTest();
    },
    onFailure: function(error_code, error_message) {
      alert(error_message + ' (' + error_code + ')');
    }
  });
}

</script>

</head>
<body bgcolor="white" onload="setup()">
Important notes:
<ul>
<li>Clearkey support is built in and should always be enabled.</li>
<li>Widev