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

webrtc/test/fake_encoder.cc

 /*
  *  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 90 matching lines @@
         encoded_buffer_, stream_bytes, sizeof(encoded_buffer_));
     encoded._timeStamp = input_image.timestamp();
     encoded.capture_time_ms_ = input_image.render_time_ms();
     encoded._frameType = (*frame_types)[i];
     encoded._encodedWidth = config_.simulcastStream[i].width;
     encoded._encodedHeight = config_.simulcastStream[i].height;
     // Always encode something on the first frame.
     if (min_stream_bits > bits_available && i > 0)
       continue;
     assert(callback_ != NULL);
+    specifics.codec_name = ImplementationName();
     if (callback_->Encoded(encoded, &specifics, NULL) != 0)
       return -1;
     bits_available -= std::min(encoded._length * 8, bits_available);
   }
   return 0;
 }
 
 int32_t FakeEncoder::RegisterEncodeCompleteCallback(
     EncodedImageCallback* callback) {
   callback_ = callback;
@@ skipping 78 matching lines @@
       delay_ms_(delay_ms) {}
 
 int32_t DelayedEncoder::Encode(const VideoFrame& input_image,
                                const CodecSpecificInfo* codec_specific_info,
                                const std::vector<FrameType>* frame_types) {
   SleepMs(delay_ms_);
   return FakeEncoder::Encode(input_image, codec_specific_info, frame_types);
 }
 }  // namespace test
 }  // namespace webrtc