Codebase Browser
chromium
Go to App

chromium/third_party/blink/web_tests/fast/forms/select-popup/popup-menu-appearance-rtl-default.html 

<!DOCTYPE html>
<meta name=fuzzy content="maxDifference=0-3; totalPixels=0-100">
<script src="../../../resources/testdriver.js"></script>
<script src="../../../resources/testdriver-vendor.js"></script>
<script src="../resources/picker-common.js"></script>

<select style="margin-left: 100px; direction: rtl;">
  <option>Item 01</option>
  <option>Item 02</option>
  <option>Item 03</option>
  <option>Item 04</option>
  <option>Item 05</option>
  <option>Item 06</option>
  <option>Item 07</option>
  <option>Item 08</option>
  <option>Item 09</option>
  <option>Item 10</option>
  <option>Item 11</option>
  <option>Item 12</option>
  <option>Item 13</option>
  <option>Item 14</option>
  <option>Item 15</option>
  <option>Item 16</option>
  <option>Item 17</option>
  <option>Item 18</option>
  <option>Item 19</option>
  <option>Item 20</option>
  <option>Item 21</option>
  <option>Item 22</option>
</select>

<script>
  window.onload = openPickerAppearanceOnly(document.querySelector('select'));
</script>