v23: Promote the XWithNew*Server APIs out of experimental\
.

These new APIs replace the xrpc library.  After this
CL we can start moving all the xrpc calls to the new API.

We also support substituting the new clients and servers
by setting an environment variable, which will allow us
to run existing tests against the new implementation.

MultiPart: 4/5
Change-Id: I19c23e098d740e695189df4b7026aa6f89933d04
diff --git a/clients/shell/go/src/v.io/x/chat/channel.go b/clients/shell/go/src/v.io/x/chat/channel.go
index 7b45ad5..7e5dd2d 100644
--- a/clients/shell/go/src/v.io/x/chat/channel.go
+++ b/clients/shell/go/src/v.io/x/chat/channel.go
@@ -105,7 +105,7 @@
 	// The implementation of the chat server.
 	chatServerMethods *chatServerMethods
 	// The chat server.
-	server rpc.XServer
+	server rpc.Server
 	// Channel that emits incoming messages.
 	messages chan message
 	// Cached list of channel members.