cross-origin-non-tao-image.html | Explore in Territory

<!DOCTYPE HTML>
<meta charset=utf-8>
<title>Largest Contentful Paint: Expose cross-origin non-TAO images renderTime.
</title>

<body>
  <script>
    const getStartTime = async (type) => {
      return await new Promise(resolve => {
        new PerformanceObserver((entryList, observer) => {
          if (type == 'paint') {
            resolve(entryList.getEntriesByName('first-contentful-paint')[0].startTime);
          } else {
            resolve(entryList.getEntries()[0].startTime);
          }
          observer.disconnect();
        }).observe({ type: type, buffered: true });
      });
    }

  </script>

  <img src='/cross-site/b.com/single_face.jpg' id='image_id' />
</body>

chromium/content/test/data/performance_timeline/cross-origin-non-tao-image.html