Expose codec implementation names in stats.

webrtc/video/send_statistics_proxy.h

 /*
  *  Copyright (c) 2013 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 36 matching lines @@
                                   const RTPVideoHeader* rtp_video_header);
   // Used to update incoming frame rate.
   void OnIncomingFrame(int width, int height);
 
   // Used to update encode time of frames.
   void OnEncodedFrame(int encode_time_ms);
 
   // From VideoEncoderRateObserver.
   void OnSetRates(uint32_t bitrate_bps, int framerate) override;
 
+  void OnEncoderImplementationName(const char* implementation_name);
   void OnOutgoingRate(uint32_t framerate, uint32_t bitrate);
   void OnSuspendChange(bool is_suspended);
   void OnInactiveSsrc(uint32_t ssrc);
 
  protected:
   // From CpuOveruseMetricsObserver.
   void CpuOveruseMetricsUpdated(const CpuOveruseMetrics& metrics) override;
   // From RtcpStatisticsCallback.
   void StatisticsUpdated(const RtcpStatistics& statistics,
                          uint32_t ssrc) override;
@@ skipping 64 matching lines @@
   SampleCounter input_width_counter_ GUARDED_BY(crit_);
   SampleCounter input_height_counter_ GUARDED_BY(crit_);
   SampleCounter sent_width_counter_ GUARDED_BY(crit_);
   SampleCounter sent_height_counter_ GUARDED_BY(crit_);
   SampleCounter encode_time_counter_ GUARDED_BY(crit_);
   BoolSampleCounter key_frame_counter_ GUARDED_BY(crit_);
 };
 
 }  // namespace webrtc
 #endif  // WEBRTC_VIDEO_SEND_STATISTICS_PROXY_H_