Remove SendPacer from ViEEncoder

webrtc/video/vie_encoder.h

Index: webrtc/video/vie_encoder.h
diff --git a/webrtc/video/vie_encoder.h b/webrtc/video/vie_encoder.h
index d3ac0f945f5d69c7e977a355e536dd540512d348..1de28e8e8cd8230b37af25d021d80e03172cd794 100644
--- a/webrtc/video/vie_encoder.h
+++ b/webrtc/video/vie_encoder.h
@@ -52,10 +52,7 @@ class ViEEncoder : public VideoEncoderRateObserver,
              const std::vector<uint32_t>& ssrcs,
              ProcessThread* module_process_thread,
              SendStatisticsProxy* stats_proxy,
-             // TODO(nisse): Used only for tests, delete?
-             rtc::VideoSinkInterface<VideoFrame>* pre_encode_callback,
              OveruseFrameDetector* overuse_detector,
-             PacedSender* pacer,
              PayloadRouter* payload_router,
              EncodedImageCallback* post_encode_callback);
   ~ViEEncoder();
@@ -133,9 +130,7 @@ class ViEEncoder : public VideoEncoderRateObserver,
   rtc::CriticalSection data_cs_;
 
   SendStatisticsProxy* const stats_proxy_;
-  rtc::VideoSinkInterface<VideoFrame>* const pre_encode_callback_;
   OveruseFrameDetector* const overuse_detector_;
-  PacedSender* const pacer_;
   PayloadRouter* const send_payload_router_;
   EncodedImageCallback* const post_encode_callback_;