Allow p2p UDP packages to set DSCP

content/browser/renderer_host/p2p/socket_host_tcp.cc

 // 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.
 
 #include "content/browser/renderer_host/p2p/socket_host_tcp.h"
 
 #include "base/sys_byteorder.h"
 #include "content/common/p2p_messages.h"
 #include "ipc/ipc_sender.h"
 #include "jingle/glue/fake_ssl_client_socket.h"
@@ skipping 253 matching lines @@
                  << " before STUN binding is finished. "
                  << "Terminating connection.";
       OnError();
       return;
     }
   }
 
   message_sender_->Send(new P2PMsg_OnDataReceived(id_, remote_address_, data));
 }
 
+// Note: dscp is not actually used on TCP sockets as this point,
+// but may be honored in the future.
 void P2PSocketHostTcpBase::Send(const net::IPEndPoint& to,
                                 const std::vector<char>& data,
+                                net::DiffServCodePoint dscp,
                                 uint64 packet_id) {
   if (!socket_) {
     // The Send message may be sent after the an OnError message was
     // sent by hasn't been processed the renderer.
     return;
   }
 
   if (!(to == remote_address_)) {
     // Renderer should use this socket only to send data to |remote_address_|.
     NOTREACHED();
@@ skipping 226 matching lines @@
   } else {
     packet_size += kTurnChannelDataHeaderSize;
     // Calculate any padding if present.
     if (packet_size % 4)
       *pad_bytes = 4 - packet_size % 4;
   }
   return packet_size;
 }
 
 }  // namespace content