Deprecate VideoDecoder::Reset() and remove calls.

webrtc/modules/video_coding/codecs/interface/mock/mock_video_codec_interface.h

 /*
  *  Copyright (c) 2012 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 55 matching lines @@
                int32_t(const VideoCodec* codecSettings, int32_t numberOfCores));
   MOCK_METHOD5(Decode,
                int32_t(const EncodedImage& inputImage,
                        bool missingFrames,
                        const RTPFragmentationHeader* fragmentation,
                        const CodecSpecificInfo* codecSpecificInfo,
                        int64_t renderTimeMs));
   MOCK_METHOD1(RegisterDecodeCompleteCallback,
                int32_t(DecodedImageCallback* callback));
   MOCK_METHOD0(Release, int32_t());
-  MOCK_METHOD0(Reset, int32_t());
   MOCK_METHOD0(Copy, VideoDecoder*());
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_VIDEO_CODING_CODECS_INTERFACE_MOCK_MOCK_VIDEO_CODEC_INTERFACE_H_