Simplify It2Me host shutdown

remoting/host/chromoting_host.h

Index: remoting/host/chromoting_host.h
diff --git a/remoting/host/chromoting_host.h b/remoting/host/chromoting_host.h
index 29474523217914d61f108b12d4fcb8a558d9d719..6479f5dd72152d0eb0a013fd6f935540489bdb2a 100644
--- a/remoting/host/chromoting_host.h
+++ b/remoting/host/chromoting_host.h
@@ -94,11 +94,6 @@ class ChromotingHost : public base::NonThreadSafe,
   // Registers a host extension.
   void AddExtension(scoped_ptr<HostExtension> extension);
 
-  // This method may be called only from
-  // HostStatusObserver::OnClientAuthenticated() to reject the new
-  // client.
-  void RejectAuthenticatingClient();
-
   // Sets the authenticator factory to use for incoming
   // connections. Incoming connections are rejected until
   // authenticator factory is set. Must be called on the network
@@ -119,7 +114,7 @@ class ChromotingHost : public base::NonThreadSafe,
   ////////////////////////////////////////////////////////////////////////////
   // ClientSession::EventHandler implementation.
   void OnSessionAuthenticating(ClientSession* client) override;
-  bool OnSessionAuthenticated(ClientSession* client) override;
+  void OnSessionAuthenticated(ClientSession* client) override;
   void OnSessionChannelsConnected(ClientSession* client) override;
   void OnSessionAuthenticationFailed(ClientSession* client) override;
   void OnSessionClosed(ClientSession* session) override;
@@ -186,10 +181,6 @@ class ChromotingHost : public base::NonThreadSafe,
   // Login backoff state.
   net::BackoffEntry login_backoff_;
 
-  // Flags used for RejectAuthenticatingClient().
-  bool authenticating_client_;
-  bool reject_authenticating_client_;
-
   // True if the curtain mode is enabled.
   bool enable_curtaining_;