cross-origin-indexeddb-allowed.html

<!DOCTYPE html>
<html>
<head>
    <script>
        if (window.testRunner) {
            testRunner.dumpAsText();
            testRunner.dumpChildFrames();
        }
    </script>
</head>
<body>
    <p>Both of these frames should successfully open the database:</p>
    <iframe src="http://localhost:8000/security/resources/cross-origin-iframe-for-indexeddb.html"></iframe>
    <iframe src="http://127.0.0.1:8000/security/resources/cross-origin-iframe-for-indexeddb.html"></iframe>
</body>
</html>

chromium/third_party/blink/web_tests/http/tests/security/cross-origin-indexeddb-allowed.html