Block event processing on host/client until the client has authenticated.

remoting/protocol/connection_to_client.h

Index: remoting/protocol/connection_to_client.h
diff --git a/remoting/protocol/connection_to_client.h b/remoting/protocol/connection_to_client.h
index b7aa052c9a298282f093bb4eb8a9b48e39bcf9b7..d2721f3303c2c34689882b27128e487502b55685 100644
--- a/remoting/protocol/connection_to_client.h
+++ b/remoting/protocol/connection_to_client.h
@@ -72,9 +72,8 @@ class ConnectionToClient :
   // Return pointer to ClientStub.
   virtual ClientStub* client_stub();
 
- protected:
-  // Protected constructor used by unit test.
-  ConnectionToClient();
+  // Called when the host accepts the client authentication.
+  void OnClientAuthenticated();
 
  private:
   // Callback for protocol Session.
@@ -85,6 +84,11 @@ class ConnectionToClient :
 
   void OnClosed();
 
+  // Initially false, this is set to true once the client has authenticated
+  // properly. When this is false, many client messages (like input events)
+  // will be ignored.
+  bool client_authenticated_;
+
   // The libjingle channel used to send and receive data from the remote client.
   scoped_refptr<Session> session_;