hidden_username.html | Explore in Territory

<html>
<body>

<form action="done.html" id="sign_in_form">
  <input type="text" id="hidden_username" value="current_username" style="display:none"/>
  <input type="password" id="password"/>  
</form>

</body>
</html>

chromium/chrome/test/data/password/hidden_username.html