Remove the deprecated PeerConnection that uses the ROAP protocol.

content/renderer/media/media_stream_dependency_factory.h

Index: content/renderer/media/media_stream_dependency_factory.h
diff --git a/content/renderer/media/media_stream_dependency_factory.h b/content/renderer/media/media_stream_dependency_factory.h
index e632aa3523ec0936d89b12830570cc6e90e5097c..72d5cb45859359e2617a93dfada7a532300cdedf 100644
--- a/content/renderer/media/media_stream_dependency_factory.h
+++ b/content/renderer/media/media_stream_dependency_factory.h
@@ -58,9 +58,6 @@ class CONTENT_EXPORT MediaStreamDependencyFactory {
   virtual talk_base::scoped_refptr<webrtc::PeerConnectionInterface>
       CreatePeerConnection(const std::string& config,
                            webrtc::PeerConnectionObserver* observer);
-  virtual talk_base::scoped_refptr<webrtc::PeerConnectionInterface>
-      CreateRoapPeerConnection(const std::string& config,
-                               webrtc::PeerConnectionObserver* observer);
 
   // Asks the PeerConnection factory to create a Local MediaStream object.
   virtual talk_base::scoped_refptr<webrtc::LocalMediaStreamInterface>
@@ -71,7 +68,6 @@ class CONTENT_EXPORT MediaStreamDependencyFactory {
       CreateLocalVideoTrack(const std::string& label,
                             int video_session_id);
 
-
   // Asks the PeerConnection factory to create a Local AudioTrack object.
   virtual talk_base::scoped_refptr<webrtc::LocalAudioTrackInterface>
       CreateLocalAudioTrack(const std::string& label,