Codebase Browser
chromium
Go to App

chromium/third_party/blink/web_tests/fast/forms/search/search-broken-by-container-style.html 

<!DOCTYPE html>
<style>
input::-webkit-textfield-decoration-container {
  writing-mode: vertical-rl;
}
</style>
<input type=search placeholder="foo">
<input type=search value="query">
<script>
document.querySelectorAll('input')[1].focus();
</script>