Move logic for calculating needed bitrate overhead used by NACK and FEC to VideoSender.

webrtc/modules/video_coding/video_coding_impl.h

Index: webrtc/modules/video_coding/video_coding_impl.h
diff --git a/webrtc/modules/video_coding/video_coding_impl.h b/webrtc/modules/video_coding/video_coding_impl.h
index c9992b7f9ce108ddf0ff6c410f3d8f6c54f7bf3f..2aabf05859d19ede1ec22c98a21df626ce8715f1 100644
--- a/webrtc/modules/video_coding/video_coding_impl.h
+++ b/webrtc/modules/video_coding/video_coding_impl.h
@@ -79,9 +79,9 @@ class VideoSender : public Module {
   int32_t SetChannelParameters(uint32_t target_bitrate,  // bits/s.
                                uint8_t lossRate,
                                int64_t rtt);
-
+  // Deprecated:
+  // TODO(perkj): Remove once no projects use it.
   int32_t RegisterProtectionCallback(VCMProtectionCallback* protection);
-  void SetVideoProtection(VCMVideoProtection videoProtection);
 
   int32_t AddVideoFrame(const VideoFrame& videoFrame,
                         const CodecSpecificInfo* codecSpecificInfo);
@@ -114,7 +114,6 @@ class VideoSender : public Module {
   VideoCodec current_codec_;
   rtc::ThreadChecker main_thread_;
 
-  VCMProtectionCallback* protection_callback_;
 
   rtc::CriticalSection params_crit_;
   EncoderParameters encoder_params_ GUARDED_BY(params_crit_);