chromium/third_party/blink/web_tests/http/tests/security/mixedContent/insecure-image-in-iframe.html

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if (window.testRunner)
    testRunner.dumpAsText();
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<p>This test loads a secure iframe that loads an insecure image.  We should
get a mixed content callback becase the frame is HTTPS and the image is not.</p>
<iframe src="https://127.0.0.1:8443/security/mixedContent/resources/frame-with-insecure-image.html";
></iframe>
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