Move sent key frame stats to send_statistics_proxy class.

webrtc/modules/video_coding/main/source/video_coding_impl.cc

 /*
  *  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 171 matching lines @@
   }
 
   int32_t IntraFrameRequest(int stream_index) override {
     return sender_->IntraFrameRequest(stream_index);
   }
 
   int32_t EnableFrameDropper(bool enable) override {
     return sender_->EnableFrameDropper(enable);
   }
 
-  int32_t SentFrameCount(VCMFrameCount& frameCount) const override {
-    return sender_->SentFrameCount(&frameCount);
-  }
-
   void SuspendBelowMinBitrate() override {
     return sender_->SuspendBelowMinBitrate();
   }
 
   bool VideoSuspended() const override { return sender_->VideoSuspended(); }
 
   int32_t RegisterReceiveCodec(const VideoCodec* receiveCodec,
                                int32_t numberOfCores,
                                bool requireKeyFrame) override {
     return receiver_->RegisterReceiveCodec(
@@ skipping 152 matching lines @@
   return new VideoCodingModuleImpl(clock, event_factory, false, nullptr,
                                    nullptr);
 }
 
 void VideoCodingModule::Destroy(VideoCodingModule* module) {
   if (module != NULL) {
     delete static_cast<VideoCodingModuleImpl*>(module);
   }
 }
 }  // namespace webrtc