Wire up FlexfecSender in RTPSender and add unit tests.

webrtc/modules/rtp_rtcp/source/rtp_sender_video.h

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 17 matching lines @@
 #include "webrtc/modules/rtp_rtcp/source/rtp_utility.h"
 #include "webrtc/modules/rtp_rtcp/source/ulpfec_generator.h"
 #include "webrtc/modules/rtp_rtcp/source/video_codec_information.h"
 #include "webrtc/typedefs.h"
 
 namespace webrtc {
 class RtpPacketToSend;
 
 class RTPSenderVideo {
  public:
-  RTPSenderVideo(Clock* clock, RTPSender* rtpSender);
+  RTPSenderVideo(Clock* clock,
+                 RTPSender* rtpSender,
+                 FlexfecSender* flexfec_sender);
   virtual ~RTPSenderVideo();
 
   virtual RtpVideoCodecTypes VideoCodecType() const;
 
   size_t FecPacketOverhead() const;
 
   static RtpUtility::Payload* CreateVideoPayload(
       const char payload_name[RTP_PAYLOAD_NAME_SIZE],
       int8_t payload_type);
 
@@ skipping 76 matching lines @@
   // and any padding overhead.
   RateStatistics fec_bitrate_ GUARDED_BY(stats_crit_);
   // Bitrate used for video payload and RTP headers.
   RateStatistics video_bitrate_ GUARDED_BY(stats_crit_);
   OneTimeEvent first_frame_sent_;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTP_SENDER_VIDEO_H_