frame-a-b-c.html | Explore in Territory

<!DOCTYPE html>
<html>
<title>title</title>
<body>
<!-- Intentionally use id rather than name to avoid forcing window proxy initialization -->
<iframe id="frame1" src="subframe-a.html"></iframe>
<iframe id="frame2" src="subframe-b.html"></iframe>
<iframe id="frame3" src="subframe-c.html"></iframe>
</body>
</html>

chromium/third_party/blink/renderer/core/testing/data/frame-a-b-c.html