Codebase Browser
chromium
Go to App

chromium/third_party/blink/web_tests/http/tests/origin_trials/webexposed/resources/html-imports-child.html 

<!DOCTYPE html>
<html>
<head>
<script>
document.nestedChildScriptHasRun = true;
</script>
</head>
<body>
</body>
</html>