Delete all of the video_processing module but the denoiser code.

webrtc/modules/video_processing/video_processing_impl.h

-/*
- *  Copyright (c) 2011 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.
- */
-
-#ifndef WEBRTC_MODULES_VIDEO_PROCESSING_VIDEO_PROCESSING_IMPL_H_
-#define WEBRTC_MODULES_VIDEO_PROCESSING_VIDEO_PROCESSING_IMPL_H_
-
-#include "webrtc/base/criticalsection.h"
-#include "webrtc/modules/video_processing/include/video_processing.h"
-#include "webrtc/modules/video_processing/frame_preprocessor.h"
-
-namespace webrtc {
-class CriticalSectionWrapper;
-
-class VideoProcessingImpl : public VideoProcessing {
- public:
-  VideoProcessingImpl();
-  ~VideoProcessingImpl() override;
-
-  // Implements VideoProcessing.
-  void EnableTemporalDecimation(bool enable) override;
-  void SetInputFrameResampleMode(VideoFrameResampling resampling_mode) override;
-  int32_t SetTargetResolution(uint32_t width,
-                              uint32_t height,
-                              uint32_t frame_rate) override;
-  uint32_t GetDecimatedFrameRate() override;
-  uint32_t GetDecimatedWidth() const override;
-  uint32_t GetDecimatedHeight() const override;
-  void EnableDenoising(bool enable) override;
-  const VideoFrame* PreprocessFrame(const VideoFrame& frame) override;
-
- private:
-  rtc::CriticalSection mutex_;
-  VPMFramePreprocessor frame_pre_processor_ GUARDED_BY(mutex_);
-};
-
-}  // namespace webrtc
-
-#endif  // WEBRTC_MODULES_VIDEO_PROCESSING_VIDEO_PROCESSING_IMPL_H_