Remove old Authentication code that we don't use or need.

remoting/protocol/host_stub.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Interface of a host that receives commands from a Chromoting client.
 //
 // This interface handles control messages defined in control.proto.
 
 #ifndef REMOTING_PROTOCOL_HOST_STUB_H_
 #define REMOTING_PROTOCOL_HOST_STUB_H_
 
 #include "base/basictypes.h"
 
 class Task;
 
 namespace remoting {
 namespace protocol {
 
-class LocalLoginCredentials;
-
 class HostStub {
  public:
   HostStub() {};
   virtual ~HostStub() {};
 
-  virtual void BeginSessionRequest(
-      const LocalLoginCredentials* credentials, const base::Closure& done) = 0;
+  // Currently we don't use control channel for anything. Add new
+  // messages handlers here when necessary.

[Wez, 2011/11/03 00:25:02]

typo nits as for ClientStub.

[Sergey Ulanov, 2011/11/03 01:21:12]

Done.

 
  private:
   DISALLOW_COPY_AND_ASSIGN(HostStub);
 };
 
 }  // namespace protocol
 }  // namespace remoting
 
 #endif  // REMOTING_PROTOCOL_HOST_STUB_H_