> 
> However I see that HTTPSocket now subclasses from 
> OldSimpleClientSocket. Has the network-rewrite stuff provided 
> an alternative that I should swap in?  
> 
> 

Ooops.  OK, I see that the *Client network classes now subclass from
ProtocolClient, which uses SocketStream.  Cool. But HTTPClient hasn't
gotten migrated yet, I gather?