Add codec name to CodecSpecificInfo and get the codec name stats from there instead.

webrtc/modules/video_coding/codecs/vp8/simulcast_encoder_adapter.cc

 /*
  *  Copyright (c) 2014 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 392 matching lines @@
 
   return WEBRTC_VIDEO_CODEC_OK;
 }
 
 EncodedImageCallback::Result SimulcastEncoderAdapter::OnEncodedImage(
     size_t stream_idx,
     const EncodedImage& encodedImage,
     const CodecSpecificInfo* codecSpecificInfo,
     const RTPFragmentationHeader* fragmentation) {
   CodecSpecificInfo stream_codec_specific = *codecSpecificInfo;
+  stream_codec_specific.codec_name = implementation_name_.c_str();
   CodecSpecificInfoVP8* vp8Info = &(stream_codec_specific.codecSpecific.VP8);
   vp8Info->simulcastIdx = stream_idx;
 
   return encoded_complete_callback_->OnEncodedImage(
       encodedImage, &stream_codec_specific, fragmentation);
 }
 
 uint32_t SimulcastEncoderAdapter::GetStreamBitrate(
     int stream_idx,
     size_t total_number_of_streams,
@@ skipping 98 matching lines @@
       return false;
   }
   return true;
 }
 
 const char* SimulcastEncoderAdapter::ImplementationName() const {
   return implementation_name_.c_str();
 }
 
 }  // namespace webrtc