main frame - didReceiveTitle: 
main frame - didFinishDocumentLoadForFrame
main frame - didHandleOnloadEventsForFrame
main frame - didFinishLoadForFrame
frame "<!--framePath //<!--frame0-->-->" - didReceiveTitle: 
frame "<!--framePath //<!--frame0-->-->" - didStartProvisionalLoadForFrame
CONSOLE ERROR: line 18: Mixed Content: The page at 'https://127.0.0.1:8443/security/mixedContent/insecure-iframe-with-hsts.https.html' was loaded over HTTPS, but requested an insecure resource 'http://hsts-example.test:8443/security/resources/hsts.php'. This request has been blocked; the content must be served over HTTPS.
frame "<!--framePath //<!--frame0-->-->" - didFailProvisionalLoadWithError
This is a testharness.js-based test.
PASS HSTS does not bypass MIX.
Harness: the test ran to completion.