Simplify WebrtcDataStreamAdapter

remoting/protocol/webrtc_transport.h

 // Copyright 2015 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_WEBRTC_TRANSPORT_H_
 #define REMOTING_PROTOCOL_WEBRTC_TRANSPORT_H_
 
 #include <memory>
 #include <string>
 
@@ skipping 130 matching lines @@
 
   bool negotiation_pending_ = false;
 
   bool connected_ = false;
 
   std::unique_ptr<buzz::XmlElement> pending_transport_info_message_;
   base::OneShotTimer transport_info_timer_;
 
   ScopedVector<webrtc::IceCandidateInterface> pending_incoming_candidates_;
 
-  std::unique_ptr<WebrtcDataStreamAdapter> data_stream_adapter_;
-
   base::WeakPtrFactory<WebrtcTransport> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebrtcTransport);
 };
 
 }  // namespace protocol
 }  // namespace remoting
 
 #endif  // REMOTING_PROTOCOL_WEBRTC_TRANSPORT_H_