src/tests/cefclient/resources/urlrequest.html

<html>
<head>
<script language="JavaScript">

function setup() {
  if (location.hostname == 'tests' || location.hostname == 'localhost')
    return;

  alert('This page can only be run from tests or localhost');

  // Disable all elements.
  var elements = document.getElementById("form").elements;
  for (var i = 0, element; element = elements[i++]; ) {
    element.disabled = true;
  }
}

// Send a query to the browser process.
function execURLRequest() {
  document.getElementById('ta').value = 'Request pending...';

  // Results in a call to the OnQuery method in urlrequest_test.cpp
  window.cefQuery({
    request: 'URLRequestTest:' + document.getElementById("url").value,
    onSuccess: function(response) {
      document.getElementById('ta').value = response;
    },
    onFailure: function(error_code, error_message) {
      document.getElementById('ta').value = 'Failed with error ' + error_message + ' (' + error_code + ')';
    }
  });
}
</script>
</head>
<body bgcolor="white" onload="setup()">
<form id="form">
URL: <input type="text" id="url" value="https://www.google.com">
<br/><input type="button" onclick="execURLRequest();" value="Execute CefURLRequest">
<br/><textarea rows="10" cols="40" id="ta"></textarea>
</form>
</body>
</html>