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chromium/third_party/blink/web_tests/printing/resources/iframe-subframe-svg-in-object.html 

<!DOCTYPE html>
<html style="width: 100px; height:100px;">
<body style="width: 100px; height:100px;">
<object width="100px" height="100px" data="circle.svg" type="image/svg+xml"></object>
</body>
</html>