Move sent key frame stats to send_statistics_proxy class.

webrtc/video_engine/vie_encoder.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 144 matching lines @@
   // Called by BitrateObserver.
   void OnNetworkChanged(uint32_t bitrate_bps,
                         uint8_t fraction_lost,
                         int64_t round_trip_time_ms);
 
  private:
   bool EncoderPaused() const EXCLUSIVE_LOCKS_REQUIRED(data_cs_);
   void TraceFrameDropStart() EXCLUSIVE_LOCKS_REQUIRED(data_cs_);
   void TraceFrameDropEnd() EXCLUSIVE_LOCKS_REQUIRED(data_cs_);
 
-  void UpdateHistograms();
-
   const int channel_id_;
   const uint32_t number_of_cores_;
 
   const rtc::scoped_ptr<VideoProcessingModule> vpm_;
   const rtc::scoped_ptr<QMVideoSettingsCallback> qm_callback_;
   const rtc::scoped_ptr<VideoCodingModule> vcm_;
   rtc::scoped_refptr<PayloadRouter> send_payload_router_;
 
   rtc::scoped_ptr<CriticalSectionWrapper> data_cs_;
   rtc::scoped_ptr<BitrateObserver> bitrate_observer_;
@@ skipping 22 matching lines @@
 
   ProcessThread* module_process_thread_;
 
   bool has_received_sli_ GUARDED_BY(data_cs_);
   uint8_t picture_id_sli_ GUARDED_BY(data_cs_);
   bool has_received_rpsi_ GUARDED_BY(data_cs_);
   uint64_t picture_id_rpsi_ GUARDED_BY(data_cs_);
   std::map<uint32_t, int> ssrc_streams_ GUARDED_BY(data_cs_);
 
   bool video_suspended_ GUARDED_BY(data_cs_);
-  const int64_t start_ms_;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_VIDEO_ENGINE_VIE_ENCODER_H_