Comment 91 for bug 294712

> I do see an implementation in nsContentPolicy though...

Implementation of what?

> I'll add that to my implementation with the next patch

Please make sure your patch shares code, not just behavior, so the behaviors can't get out of sync.

> I don't know of any other scheme that GetHost works for, is there anything
> else?

Anything using nsStandardURL. chrome://, irc://, news://, imap://. That's off the top of my head; there are probably more we implement internally, and extensions can implement still others.