chromium/third_party/blink/web_tests/paint/invalidation/forms/textarea-appearance-none-resize-handle.html

<!DOCTYPE html>
<script src="../resources/text-based-repaint.js"></script>
<script>
function repaintTest() {
  document.getElementById('textarea').style.height = '200px';
}
onload = runRepaintAndPixelTest;
</script>
Tests paint invalidation of resize handle when a textarea is resized.
Passes if the resize handle is repainted correctly leaving no residue.
<textarea id="textarea" style="
  position: absolute;
  top: 50px;
  left: 0;
  -webkit-appearance: none;
  width: 100px;
  height: 100px;
  resize: auto">
</textarea>