Currently the proxy setup/worker only tries to intercept requests to the local origin. According to the spec (although I can't find it now), all requests should be handled.
[x] Figure out how the proxy can intercept all requests coming for the target page (Referrer header?)
[ ] Add the CrossOriginResponse class with a limited API. All same origin responses should use the SameOriginResponse.
Currently the proxy setup/worker only tries to intercept requests to the local origin. According to the spec (although I can't find it now), all requests should be handled.
Referrerheader?)