chromium/third_party/blink/web_tests/fast/block/float/overhanging-float-container-remove-compositing.html

<!DOCTYPE html>
<script src="../../../resources/run-after-layout-and-paint.js"></script>
<script>
runAfterLayoutAndPaint(function() {
  document.getElementById('container').style.transform = '';
}, true);
</script>
<body style="margin: 0">
  <div style="height: 100px">
  Tests layout and repaint of when a container of overhanging float removes 3D transform. Passes if there is no red.
  </div>
  <div id="indicator" style="position: absolute; z-index: -1; top: 100px; left: 0; width: 100px; height: 100px; background-color: red"></div>
  <div>
    <div id="container" style="width: 0; height: 0; transform: translateZ(0) translateX(100px)">
      <div style="float: left; width: 100px; height: 100px; background-color: green"></div>
    </div>
  </div>
</body>