We'd be blocking sub-resources and navigation from web to private. Of course, direct navigation via a bookmark or the omnibox would still work. And navigation o

We'd be blocking sub-resources and navigation from web to private. Of course, direct navigation via a bookmark or the omnibox would still work. And navigation or resource inclusion from private to the web would still work. As I explained in another comment, we're also working on exception mechanisms (including per-page opt-in, possibly via CORS) to cover the valid use cases.