Remove Reset from conditionally-compiled decoders.

webrtc/modules/video_coding/codecs/h264/h264_decoder_impl.cc

 /*
  *  Copyright (c) 2015 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 223 matching lines @@
   av_frame_.reset(av_frame_alloc());
   return WEBRTC_VIDEO_CODEC_OK;
 }
 
 int32_t H264DecoderImpl::Release() {
   av_context_.reset();
   av_frame_.reset();
   return WEBRTC_VIDEO_CODEC_OK;
 }
 
-int32_t H264DecoderImpl::Reset() {
-  if (!IsInitialized())
-    return WEBRTC_VIDEO_CODEC_UNINITIALIZED;
-  InitDecode(nullptr, 1);
-  return WEBRTC_VIDEO_CODEC_OK;
-}
-
 int32_t H264DecoderImpl::RegisterDecodeCompleteCallback(
     DecodedImageCallback* callback) {
   decoded_image_callback_ = callback;
   return WEBRTC_VIDEO_CODEC_OK;
 }
 
 int32_t H264DecoderImpl::Decode(const EncodedImage& input_image,
                                 bool /*missing_frames*/,
                                 const RTPFragmentationHeader* /*fragmentation*/,
                                 const CodecSpecificInfo* codec_specific_info,
@@ skipping 89 matching lines @@
     return ret;
   }
   return WEBRTC_VIDEO_CODEC_OK;
 }
 
 bool H264DecoderImpl::IsInitialized() const {
   return av_context_ != nullptr;
 }
 
 }  // namespace webrtc