Disconnect all users if too many connection requests are received for It2Me

remoting/host/it2me/it2me_host.h

Index: remoting/host/it2me/it2me_host.h
diff --git a/remoting/host/it2me/it2me_host.h b/remoting/host/it2me/it2me_host.h
index 964f911eb6179c222b853d14e5671126607d643f..c015e4880987de0028009154e48ee525d06537f0 100644
--- a/remoting/host/it2me/it2me_host.h
+++ b/remoting/host/it2me/it2me_host.h
@@ -193,10 +193,6 @@ class It2MeHost : public base::RefCountedThreadSafe<It2MeHost>,
   // variable contains the thunk if it is necessary.
   base::Closure pending_connect_;
 
-  // Called after the client machine initiates the connection process and
-  // determines whether to reject the connection or allow it to continue.
-  protocol::ValidatingAuthenticator::ValidationCallback validation_callback_;
-
   DISALLOW_COPY_AND_ASSIGN(It2MeHost);
 };