chromium/chrome/test/data/chromeos/virtual_keyboard/form.html

<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>Virtual Keyboard Test Page: Example Form</title>
  </head>
  <body>
    <h1>Registration</h1>
    <form>
      <div>username: <input id="username" type="text" /></div>
      <div>password: <input id="password" type="password" /></div>
      <div><input id="submit" type="submit" /></div>
    </form>
  </body>
</html>