Domexception When Registering Service Worker Inside An Https Iframe

I'm trying to register a service worker in an https iframe inside an http (unsecured) site. Until lately, my code ran without any issues. From the last chrome update (44) this code

Solution 1:

It appears that this did change recently. It also appears that the current behaviour will now be maintained - see this discussion at the service worker spec repository. Both of those discussions cite this specification as the basis for the policy.