Refactor of Authenticator to allow it to ProcessMessage asynchronously and then call a callback

remoting/protocol/fake_authenticator.h

 // Copyright (c) 2012 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.
 
 #ifndef REMOTING_PROTOCOL_FAKE_AUTHENTICATOR_H_
 #define REMOTING_PROTOCOL_FAKE_AUTHENTICATOR_H_
 
 #include "base/callback.h"
 #include "base/memory/weak_ptr.h"
 #include "remoting/protocol/authenticator.h"
@@ skipping 46 matching lines @@
     REJECT,
     REJECT_CHANNEL
   };
 
   FakeAuthenticator(Type type, int round_trips, Action action, bool async);
   virtual ~FakeAuthenticator();
 
   // Authenticator interface.
   virtual State state() const OVERRIDE;
   virtual RejectionReason rejection_reason() const OVERRIDE;
-  virtual void ProcessMessage(const buzz::XmlElement* message) OVERRIDE;
+  virtual void ProcessMessage(const base::Closure& resume_callback,
+                              const buzz::XmlElement* message) OVERRIDE;
   virtual scoped_ptr<buzz::XmlElement> GetNextMessage() OVERRIDE;
   virtual scoped_ptr<ChannelAuthenticator>
       CreateChannelAuthenticator() const OVERRIDE;
 
  protected:
   Type type_;
   int round_trips_;
   Action action_;
   bool async_;
 
@@ skipping 20 matching lines @@
   FakeAuthenticator::Action action_;
   bool async_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeHostAuthenticatorFactory);
 };
 
 }  // namespace protocol
 }  // namespace remoting
 
 #endif  // REMOTING_PROTOCOL_FAKE_AUTHENTICATOR_H_