Remove RTCVideoDecoder Reset method.

content/renderer/media/rtc_video_decoder.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_RENDERER_MEDIA_RTC_VIDEO_DECODER_H_
 #define CONTENT_RENDERER_MEDIA_RTC_VIDEO_DECODER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 61 matching lines @@
                  bool missingFrames,
                  const webrtc::RTPFragmentationHeader* fragmentation,
                  const webrtc::CodecSpecificInfo* codecSpecificInfo = NULL,
                  int64_t renderTimeMs = -1) override;
   // Called on WebRTC DecodingThread.
   int32_t RegisterDecodeCompleteCallback(
       webrtc::DecodedImageCallback* callback) override;
   // Called on Chrome_libJingle_WorkerThread. The child thread is blocked while
   // this runs.
   int32_t Release() override;
-  // Called on Chrome_libJingle_WorkerThread. The child thread is blocked while
-  // this runs.
-  int32_t Reset() override;
 
   // VideoDecodeAccelerator::Client implementation.
   void ProvidePictureBuffers(uint32_t count,
                              const gfx::Size& size,
                              uint32_t texture_target) override;
   void DismissPictureBuffer(int32_t id) override;
   void PictureReady(const media::Picture& picture) override;
   void NotifyEndOfBitstreamBuffer(int32_t id) override;
   void NotifyFlushDone() override;
   void NotifyResetDone() override;
@@ skipping 189 matching lines @@
   // Must be destroyed, or invalidated, on |vda_loop_proxy_|
   // NOTE: Weak pointers must be invalidated before all other member variables.
   base::WeakPtrFactory<RTCVideoDecoder> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RTCVideoDecoder);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_RTC_VIDEO_DECODER_H_