Revert of [Mojo Video Capture] Add test coverage for accelerated jpeg decoding

media/gpu/fake_jpeg_decode_accelerator.h

Index: media/gpu/fake_jpeg_decode_accelerator.h
diff --git a/media/gpu/fake_jpeg_decode_accelerator.h b/media/gpu/fake_jpeg_decode_accelerator.h
deleted file mode 100644
index 0a25dbb729c9fcfa88e12ebd282287a9ea24d69b..0000000000000000000000000000000000000000
--- a/media/gpu/fake_jpeg_decode_accelerator.h
+++ /dev/null
@@ -1,69 +0,0 @@
-// Copyright 2017 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 MEDIA_GPU_FAKE_JPEG_DECODE_ACCELERATOR_H_
-#define MEDIA_GPU_FAKE_JPEG_DECODE_ACCELERATOR_H_
-
-#include <stdint.h>
-
-#include <memory>
-
-#include "base/macros.h"
-#include "base/memory/weak_ptr.h"
-#include "base/threading/thread.h"
-#include "media/base/bitstream_buffer.h"
-#include "media/gpu/media_gpu_export.h"
-#include "media/video/jpeg_decode_accelerator.h"
-
-namespace base {
-class SingleThreadTaskRunner;
-}
-
-namespace media {
-
-class SharedMemoryRegion;
-
-// Uses software-based decoding. The purpose of this class is to enable testing
-// of communication to the JpegDecodeAccelerator without requiring an actual
-// hardware decoder.
-class MEDIA_GPU_EXPORT FakeJpegDecodeAccelerator
-    : public JpegDecodeAccelerator {
- public:
-  FakeJpegDecodeAccelerator(
-      const scoped_refptr<base::SingleThreadTaskRunner>& io_task_runner);
-  ~FakeJpegDecodeAccelerator() override;
-
-  // JpegDecodeAccelerator implementation.
-  bool Initialize(JpegDecodeAccelerator::Client* client) override;
-  void Decode(const BitstreamBuffer& bitstream_buffer,
-              const scoped_refptr<VideoFrame>& video_frame) override;
-  bool IsSupported() override;
-
- private:
-  void DecodeOnDecoderThread(const BitstreamBuffer& bitstream_buffer,
-                             const scoped_refptr<VideoFrame>& video_frame,
-                             std::unique_ptr<SharedMemoryRegion> src_shm);
-  void NotifyError(int32_t bitstream_buffer_id, Error error);
-  void NotifyErrorOnClientThread(int32_t bitstream_buffer_id, Error error);
-  void OnDecodeDoneOnClientThread(int32_t input_buffer_id);
-
-  // Task runner for calls to |client_|.
-  const scoped_refptr<base::SingleThreadTaskRunner> client_task_runner_;
-
-  // GPU IO task runner.
-  const scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_;
-
-  Client* client_ = nullptr;
-
-  base::Thread decoder_thread_;
-  scoped_refptr<base::SingleThreadTaskRunner> decoder_task_runner_;
-
-  base::WeakPtrFactory<FakeJpegDecodeAccelerator> weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(FakeJpegDecodeAccelerator);
-};
-
-}  // namespace media
-
-#endif  // MEDIA_GPU_FAKE_JPEG_DECODE_ACCELERATOR_H_