Add abstract interfaces for the transport layer.

remoting/protocol/pepper_transport_factory.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_PEPPER_TRANSPORT_FACTORY_H_
+#define REMOTING_PROTOCOL_PEPPER_TRANSPORT_FACTORY_H_
+
+#include "remoting/protocol/transport.h"
+
+namespace pp {
+class Instance;
+}  // namespace pp
+
+namespace remoting {
+namespace protocol {
+
+class PepperTransportFactory : public TransportFactory {
+ public:
+  PepperTransportFactory(pp::Instance* pp_instance);
+  virtual ~PepperTransportFactory();
+
+  virtual scoped_ptr<StreamTransport> CreateStreamTransport() OVERRIDE;
+  virtual scoped_ptr<DatagramTransport> CreateDatagramTransport() OVERRIDE;
+
+ private:
+  pp::Instance* pp_instance_;
+
+  DISALLOW_COPY_AND_ASSIGN(PepperTransportFactory);
+};
+
+}  // namespace protocol
+}  // namespace remoting
+
+#endif  // REMOTING_PROTOCOL_PEPPER_TRANSPORT_FACTORY_H_