ServiceWorker

f4915e6e - Drop 'potential-navigation-or-subresource request'. (#1486)

Drop 'potential-navigation-or-subresource request'. (#1486) https://github.com/whatwg/fetch/pull/948/files is changing `<embed>` and `<object>` requests to look more like navigations than subresource requests. As a result, it seems reasonable for service worker to explicitly carve out those request destinations which have behavior service worker cares about, rather than relying on a fetch-level concept that doesn't make sense in the new model.