CONSOLE ERROR: Mixed Content: The page at 'https://web-platform.test:8444/service-workers/service-worker/client-navigate.https.html' was loaded over HTTPS, but requested an insecure resource 'http://www1.web-platform.test:8001/service-workers/service-worker/resources/client-navigated-frame.html'. This request has been blocked; the content must be served over HTTPS.
