Move VideoDecoderSoftwareFallbackWrapper from webrtc/video_decoder.h to webrtc/media/engine/

webrtc/video_decoder.h

Index: webrtc/video_decoder.h
diff --git a/webrtc/video_decoder.h b/webrtc/video_decoder.h
index 7a41840ba8fbf9b3d357c0bd730e84d1cd1c47dd..8c89ce97717c76a269a4b32ff0f4fa7cf14d2a75 100644
--- a/webrtc/video_decoder.h
+++ b/webrtc/video_decoder.h
@@ -83,44 +83,6 @@ class VideoDecoder {
   virtual const char* ImplementationName() const { return "unknown"; }
 };
 
-// Class used to wrap external VideoDecoders to provide a fallback option on
-// software decoding when a hardware decoder fails to decode a stream due to
-// hardware restrictions, such as max resolution.
-class VideoDecoderSoftwareFallbackWrapper : public webrtc::VideoDecoder {
- public:
-  VideoDecoderSoftwareFallbackWrapper(VideoCodecType codec_type,
-                                      VideoDecoder* decoder);
-
-  int32_t InitDecode(const VideoCodec* codec_settings,
-                     int32_t number_of_cores) override;
-
-  int32_t Decode(const EncodedImage& input_image,
-                 bool missing_frames,
-                 const RTPFragmentationHeader* fragmentation,
-                 const CodecSpecificInfo* codec_specific_info,
-                 int64_t render_time_ms) override;
-
-  int32_t RegisterDecodeCompleteCallback(
-      DecodedImageCallback* callback) override;
-
-  int32_t Release() override;
-  bool PrefersLateDecoding() const override;
-
-  const char* ImplementationName() const override;
-
- private:
-  bool InitFallbackDecoder();
-
-  const DecoderType decoder_type_;
-  VideoDecoder* const decoder_;
-
-  VideoCodec codec_settings_;
-  int32_t number_of_cores_;
-  std::string fallback_implementation_name_;
-  std::unique_ptr<VideoDecoder> fallback_decoder_;
-  DecodedImageCallback* callback_;
-};
-
 // Video decoder class to be used for unknown codecs. Doesn't support decoding
 // but logs messages to LS_ERROR.
 class NullVideoDecoder : public VideoDecoder {