[Cast] Clean-up: Merge RtpReceiver+AudioReceiver+VideoReceiver-->FrameReceiver.

media/cast/rtp_receiver/rtp_receiver.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.
-
-// Interface to the rtp receiver.
-
-#ifndef MEDIA_CAST_RTP_RECEIVER_RTP_RECEIVER_H_
-#define MEDIA_CAST_RTP_RECEIVER_RTP_RECEIVER_H_
-
-#include "base/memory/scoped_ptr.h"
-#include "media/cast/cast_config.h"
-#include "media/cast/rtcp/rtcp.h"
-#include "media/cast/rtp_receiver/receiver_stats.h"
-#include "media/cast/rtp_receiver/rtp_parser/rtp_parser.h"
-#include "media/cast/rtp_receiver/rtp_receiver_defines.h"
-
-namespace media {
-namespace cast {
-
-// TODO(miu): This is a good candidate to contain common functionality that's
-// identical in both AudioReceiver and VideoReceiver.
-class RtpReceiver {
- public:
-  RtpReceiver(base::TickClock* clock,
-              const FrameReceiverConfig* audio_config,
-              const FrameReceiverConfig* video_config);
-  virtual ~RtpReceiver();
-
-  static uint32 GetSsrcOfSender(const uint8* rtcp_buffer, size_t length);
-
-  bool ReceivedPacket(const uint8* packet, size_t length);
-
-  RtpReceiverStatistics* GetStatistics() {
-    return &stats_;
-  }
-
- protected:
-  // Subclasses implement this to consume and process deserialized packets.
-  virtual void OnReceivedPayloadData(const uint8* payload_data,
-                                     size_t payload_size,
-                                     const RtpCastHeader& rtp_header) = 0;
-
- private:
-  RtpParser packet_parser_;
-  ReceiverStats stats_;
-
-  DISALLOW_COPY_AND_ASSIGN(RtpReceiver);
-};
-
-}  // namespace cast
-}  // namespace media
-
-#endif  // MEDIA_CAST_RTP_RECEIVER_RTP_RECEIVER_H_