Implement native bindings for cast extensions API

chrome/renderer/media/cast_udp_transport.h

 // Copyright 2013 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 CHROME_RENDERER_MEDIA_CAST_UDP_TRANSPORT_H_
 #define CHROME_RENDERER_MEDIA_CAST_UDP_TRANSPORT_H_
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
-#include "net/base/ip_endpoint.h"
+#include "net/base/host_port_pair.h"
 
 class CastSession;
 
 // This class represents an end point to which communication is done by
 // UDP. The interface does not allow direct access to a UDP socket but
 // represents a transport mechanism.
 //
 // CastUdpTransport creates a CastSession and then shares it with
 // multiple CastSendTransports. This is because CastSession corresponds
 // to only one remote peer.
 class CastUdpTransport {
  public:
   CastUdpTransport();
   ~CastUdpTransport();
 
   // Begin the transport by specifying the remote IP address.
   // The transport will use UDP.
-  void Start(const net::IPEndPoint& remote_address);
+  void Start(const net::HostPortPair& remote_address);
 
   // Terminate the communication with the end point.
   void Stop();
 
   scoped_refptr<CastSession> cast_session() const {
     return cast_session_;
   }
 
  private:
   const scoped_refptr<CastSession> cast_session_;
 
   DISALLOW_COPY_AND_ASSIGN(CastUdpTransport);
 };
 
 #endif  // CHROME_RENDERER_MEDIA_CAST_UDP_TRANSPORT_H_