Cast: Refactor RTCP handling

media/cast/cast_sender.h

 // Copyright 2013 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.
 //
 // This is the main interface for the cast sender.
 //
 // The AudioFrameInput, VideoFrameInput and PacketReciever interfaces should
 // be accessed from the main thread.
 
 #ifndef MEDIA_CAST_CAST_SENDER_H_
@@ skipping 55 matching lines @@
       CastTransportSender* const transport_sender);
 
   virtual ~CastSender() {}
 
   // All video frames for the session should be inserted to this object.
   virtual scoped_refptr<VideoFrameInput> video_frame_input() = 0;
 
   // All audio frames for the session should be inserted to this object.
   virtual scoped_refptr<AudioFrameInput> audio_frame_input() = 0;
 
-  // All RTCP packets for the session should be inserted to this object.
-  // This function and the callback must be called on the main thread.
-  virtual PacketReceiverCallback packet_receiver() = 0;
-
   // Initialize the audio stack. Must be called in order to send audio frames.
   // Status of the initialization will be returned on cast_initialization_cb.
   virtual void InitializeAudio(
       const AudioSenderConfig& audio_config,
       const CastInitializationCallback& cast_initialization_cb) = 0;
 
   // Initialize the video stack. Must be called in order to send video frames.
   // Status of the initialization will be returned on cast_initialization_cb.
   virtual void InitializeVideo(
       const VideoSenderConfig& video_config,
       const CastInitializationCallback& cast_initialization_cb,
       const CreateVideoEncodeAcceleratorCallback& create_vea_cb,
       const CreateVideoEncodeMemoryCallback& create_video_encode_mem_cb) = 0;
 };
 
 }  // namespace cast
 }  // namespace media
 
 #endif  // MEDIA_CAST_CAST_SENDER_H_