Revert of content gpu refactor: get rid of gpu related content switches.

content/common/gpu/media/dxva_video_decode_accelerator_win.h

 // Copyright (c) 2012 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_COMMON_GPU_MEDIA_DXVA_VIDEO_DECODE_ACCELERATOR_H_
 #define CONTENT_COMMON_GPU_MEDIA_DXVA_VIDEO_DECODE_ACCELERATOR_H_
 
 #include <d3d11.h>
 #include <d3d9.h>
 #include <stdint.h>
@@ skipping 42 matching lines @@
  public:
   enum State {
     kUninitialized,               // un-initialized.
     kNormal,                      // normal playing state.
     kResetting,                   // upon received Reset(), before ResetDone()
     kStopped,                     // upon output EOS received.
     kFlushing,                    // upon flush request received.
   };
 
   // Does not take ownership of |client| which must outlive |*this|.
-  DXVAVideoDecodeAccelerator(
+  explicit DXVAVideoDecodeAccelerator(
       const base::Callback<bool(void)>& make_context_current,
-      gfx::GLContext* gl_context,
-      bool enable_accelerated_vpx_decode);
+      gfx::GLContext* gl_context);
   ~DXVAVideoDecodeAccelerator() override;
 
   // media::VideoDecodeAccelerator implementation.
   bool Initialize(const Config& config, Client* client) override;
   void Decode(const media::BitstreamBuffer& bitstream_buffer) override;
   void AssignPictureBuffers(
       const std::vector<media::PictureBuffer>& buffers) override;
   void ReusePictureBuffer(int32_t picture_buffer_id) override;
   void Flush() override;
   void Reset() override;
@@ skipping 310 matching lines @@
   // Set to true if the DX11 video format converter input media types need to
   // be initialized. Defaults to true.
   bool dx11_video_format_converter_media_type_needs_init_;
 
   // The GLContext to be used by the decoder.
   scoped_refptr<gfx::GLContext> gl_context_;
 
   // Set to true if we are sharing ANGLE's device.
   bool using_angle_device_;
 
-  // Enables experimental hardware acceleration for VP8/VP9 video decoding.
-  const bool enable_accelerated_vpx_decode_;
-
   // WeakPtrFactory for posting tasks back to |this|.
   base::WeakPtrFactory<DXVAVideoDecodeAccelerator> weak_this_factory_;
 
   // Function pointer for the MFCreateDXGIDeviceManager API.
   static CreateDXGIDeviceManager create_dxgi_device_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(DXVAVideoDecodeAccelerator);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_MEDIA_DXVA_VIDEO_DECODE_ACCELERATOR_H_