<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf8" />
    <script>
      window.shimPromise = new Promise(resolve => {
        window.shimPromiseResolve = resolve;
      });
      window.optInPromise = new Promise(resolve => {
        window.optInPromiseResolve = resolve;
      });
    </script>
  </head>
  <body>
    <iframe
      src="http://example.com/browser/browser/extensions/webcompat/tests/browser/shims_test.html"
    ></iframe>
  </body>
</html>
