Add P2PDatagramSocket and P2PStreamSocket interfaces.

remoting/protocol/pseudotcp_channel_factory.cc

Index: remoting/protocol/pseudotcp_channel_factory.cc
diff --git a/remoting/protocol/pseudotcp_channel_factory.cc b/remoting/protocol/pseudotcp_channel_factory.cc
index 1fc9ca831c149b1aee617236e0eae76fe5d42fdf..e03c3ea09bef743739be1563c8a4dd3c6ecb6a24 100644
--- a/remoting/protocol/pseudotcp_channel_factory.cc
+++ b/remoting/protocol/pseudotcp_channel_factory.cc
@@ -6,7 +6,6 @@
 
 #include "base/bind.h"
 #include "net/base/net_errors.h"
-#include "net/socket/stream_socket.h"
 #include "remoting/base/constants.h"
 #include "remoting/protocol/datagram_channel_factory.h"
 #include "remoting/protocol/pseudotcp_adapter.h"
@@ -59,7 +58,7 @@ void PseudoTcpChannelFactory::CancelChannelCreation(const std::string& name) {
 void PseudoTcpChannelFactory::OnDatagramChannelCreated(
     const std::string& name,
     const ChannelCreatedCallback& callback,
-    scoped_ptr<net::Socket> datagram_socket) {
+    scoped_ptr<P2PDatagramSocket> datagram_socket) {
   PseudoTcpAdapter* adapter = new PseudoTcpAdapter(datagram_socket.Pass());
   pending_sockets_[name] = adapter;
 
@@ -86,7 +85,7 @@ void PseudoTcpChannelFactory::OnPseudoTcpConnected(
     int result) {
   PendingSocketsMap::iterator it = pending_sockets_.find(name);
   DCHECK(it != pending_sockets_.end());
-  scoped_ptr<net::StreamSocket> socket(it->second);
+  scoped_ptr<P2PStreamSocket> socket(it->second);
   pending_sockets_.erase(it);
 
   if (result != net::OK)