chromium/third_party/blink/web_tests/fast/frames/sandboxed-iframe-attribute-parsing-02.html

<!DOCTYPE html>
<html>
<head>
    <script src='resources/sandboxed-iframe-attribute-test.js'></script>
</head>
<body>
    <p>Line feed characters before and after attribute value</p>
    <iframe sandbox="

allow-scripts

allow-same-origin"
            src="resources/sandboxed-iframe-attribute-parsing-allowed.html">
    </iframe>
</body>
</html>