Move sent key frame stats to send_statistics_proxy class.

webrtc/modules/video_coding/main/interface/video_coding.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 295 matching lines @@
     // are supposed to be stored to an AVI file, or when the I420 codec is used and the
     // target bit rate shouldn't affect the frame rate.
     //
     // Input:
     //      - enable            : True to enable the setting, false to disable it.
     //
     // Return value      : VCM_OK, on success.
     //                     < 0,         on error.
     virtual int32_t EnableFrameDropper(bool enable) = 0;
 
-    // Sent frame counters
-    virtual int32_t SentFrameCount(VCMFrameCount& frameCount) const = 0;
 
     /*
     *   Receiver
     */
 
     // Register possible receive codecs, can be called multiple times for different codecs.
     // The module will automatically switch between registered codecs depending on the
     // payload type of incoming frames. The actual decoder will be created when needed.
     //
     // Input:
@@ skipping 219 matching lines @@
         EncodedImageCallback* observer) = 0;
     virtual void RegisterPostEncodeImageCallback(
         EncodedImageCallback* post_encode_callback) = 0;
     // Releases pending decode calls, permitting faster thread shutdown.
     virtual void TriggerDecoderShutdown() = 0;
 };
 
 }  // namespace webrtc
 
 #endif // WEBRTC_MODULES_INTERFACE_VIDEO_CODING_H_