All legacy content heritage that is hosted using http protocol just became not secure in Chrome. What solution does google suggest? Who will pay to upgrade old infrastructure? Pandora box.
Personally don't understand the heavy push to force https on everything and anything. The maintenance/time required to set up and maintain is not insignificant and is really quite pointless in many situations. Do you really need an encrypted connection to LOLCats?
If you only use an encrypted connection when you need it, then one can know that, well, you need it.
You have nothing to hide... until you do.
These sites will continue to be entirely accessible, so I have no idea what solution you think is required. If a provider wants to upgrade such that their site is no longer insecure, then they can pay to upgrade it themselves.