<!DOCTYPE html>
<meta charset="utf-8">
<html class="reftest-wait">
<script>
  const script = `
    navigator.mediaCapabilities.decodingInfo({
      type: 'file',
      audio: { contentType: "audio/flac" }
    }).then(postMessage("done"));
  `;
  let worker = new Worker(URL.createObjectURL(new Blob([script])));
  // Stop test completion and crash from racing each other.
  worker.onmessage = () => document.documentElement.removeAttribute("class");
</script>
</html>
