Expose codec implementation names in stats.

webrtc/test/fake_decoder.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 21 matching lines @@
                  const RTPFragmentationHeader* fragmentation,
                  const CodecSpecificInfo* codec_specific_info,
                  int64_t render_time_ms) override;
 
   int32_t RegisterDecodeCompleteCallback(
       DecodedImageCallback* callback) override;
 
   int32_t Release() override;
   int32_t Reset() override;
 
+  const char* ImplementationName() const override;
+
+  static const char* kImplementationName;
+
  private:
   VideoCodec config_;
   VideoFrame frame_;
   DecodedImageCallback* callback_;
 };
 
 class FakeH264Decoder : public FakeDecoder {
  public:
   virtual ~FakeH264Decoder() {}
 
@@ skipping 13 matching lines @@
                  const RTPFragmentationHeader* fragmentation,
                  const CodecSpecificInfo* codec_specific_info,
                  int64_t render_time_ms) override {
     return 0;
   }
 };
 }  // namespace test
 }  // namespace webrtc
 
 #endif  // WEBRTC_TEST_FAKE_DECODER_H_