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path: root/testing/web-platform/tests/service-workers/service-worker/resources/invalid-blobtype-iframe.https.html
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<script src="test-helpers.sub.js?pipe=sub"></script>
<script>

function xhr_send(method, data) {
  return new Promise(function(resolve, reject) {
      var xhr = new XMLHttpRequest();
      xhr.onload = function() {
        if (xhr.getResponseHeader('Content-Type') !== null) {
          reject('Content-Type must be null.');
        }
        resolve();
      };
      xhr.onerror = function() {
        reject('XHR must succeed.');
      };
      xhr.responseType = 'text';
      xhr.open(method, './dummy?test', true);
      xhr.send(data);
    });
}


window.addEventListener('message', function(evt) {
    var port = evt.ports[0];
    xhr_send('POST', 'test string')
      .then(function() { port.postMessage({results: 'finish'}); })
      .catch(function(e) { port.postMessage({results: 'failure:' + e}); });
  });
</script>