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chromium/third_party/blink/web_tests/fast/events/window-errorevent-02.html 

<!DOCTYPE html>
<html>
<head>
    <script>
        window.isOnErrorTest = true;
    </script>
    <script src="../../resources/js-test.js"></script>
    <script src="resources/onerror-test.js"></script>
</head>
<body>
    <script>
        description("This test should trigger 'window.onerror', and leave the error unhandled.");
        DumpErrorEventAndAllowDefault();
        throwException();
    </script>
</body>
</html>