Codebase Browser
chromium
Go to App

chromium/content/test/data/accessibility/accname/name-checkbox-input-in-label.html 

<!--
@BLINK-DENY:descri*
-->
<!doctype html>
<html>
<body>
<label for="test">foo<input type="text" value="David"/></label>
<input type="checkbox" id="test"/>
</body>
</html>