Cast: Let the extension control if DSCP is on or off.

chrome/renderer/media/cast_transport_sender_ipc.h

 // Copyright 2014 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_TRANSPORT_SENDER_IPC_H_
 #define CHROME_RENDERER_MEDIA_CAST_TRANSPORT_SENDER_IPC_H_
 
 #include <map>
 
 #include "base/message_loop/message_loop_proxy.h"
 #include "ipc/ipc_channel_proxy.h"
 #include "media/cast/logging/logging_defines.h"
 #include "media/cast/net/cast_transport_sender.h"
 
 // This implementation of the CastTransportSender interface
 // communicates with the browser process over IPC and relays
 // all calls to/from the transport sender to the browser process.
 // The primary reason for this arrangement is to give the
 // renderer less direct control over the UDP sockets.
 class CastTransportSenderIPC
     : public media::cast::CastTransportSender {
  public:
   CastTransportSenderIPC(
       const net::IPEndPoint& remote_end_point,
+      scoped_ptr<base::DictionaryValue> options,
       const media::cast::CastTransportStatusCallback& status_cb,
       const media::cast::BulkRawEventsCallback& raw_events_cb);
 
   virtual ~CastTransportSenderIPC();
 
   // media::cast::CastTransportSender implementation.
   virtual void InitializeAudio(
       const media::cast::CastTransportRtpConfig& config,
       const media::cast::RtcpCastMessageCallback& cast_message_cb,
       const media::cast::RtcpRttCallback& rtt_cb) OVERRIDE;
@@ skipping 35 matching lines @@
   media::cast::PacketReceiverCallback packet_callback_;
   media::cast::CastTransportStatusCallback status_callback_;
   media::cast::BulkRawEventsCallback raw_events_callback_;
   typedef std::map<uint32, ClientCallbacks> ClientMap;
   ClientMap clients_;
 
   DISALLOW_COPY_AND_ASSIGN(CastTransportSenderIPC);
 };
 
 #endif  // CHROME_RENDERER_MEDIA_CAST_TRANSPORT_SENDER_IPC_H_