Introduce GpuVideoDecodeAcceleratorFactory.

content/common/gpu/media/vaapi_drm_picture.h

 // Copyright 2014 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.
 //
 // This file contains an implementation of picture allocation for the
 // Ozone window system used by VaapiVideoDecodeAccelerator to produce
 // output pictures.
 
 #ifndef CONTENT_COMMON_GPU_MEDIA_VAAPI_DRM_PICTURE_H_
 #define CONTENT_COMMON_GPU_MEDIA_VAAPI_DRM_PICTURE_H_
 
 #include <stdint.h>
 
-#include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "content/common/gpu/media/vaapi_picture.h"
 #include "ui/gfx/buffer_types.h"
 #include "ui/gfx/geometry/size.h"
 
 namespace gl {
 class GLImage;
 }
 
 namespace ui {
 class NativePixmap;
 }
 
 namespace content {
 
 class VaapiWrapper;
 
 // Implementation of VaapiPicture for the ozone/drm backed chromium.
 class VaapiDrmPicture : public VaapiPicture {
  public:
   VaapiDrmPicture(const scoped_refptr<VaapiWrapper>& vaapi_wrapper,
-                  const base::Callback<bool(void)>& make_context_current,
+                  const MakeGLContextCurrentCallback& make_context_current_cb,
                   int32_t picture_buffer_id,
                   uint32_t texture_id,
                   const gfx::Size& size);
 
   ~VaapiDrmPicture() override;
 
   bool Initialize() override;
 
   bool DownloadFromSurface(const scoped_refptr<VASurface>& va_surface) override;
 
   scoped_refptr<gl::GLImage> GetImageToBind() override;
 
   bool AllowOverlay() const override;
 
  private:
   scoped_refptr<VaapiWrapper> vaapi_wrapper_;
-  base::Callback<bool(void)> make_context_current_;
+  MakeGLContextCurrentCallback make_context_current_cb_;
 
   // Ozone buffer, the storage of the EGLImage and the VASurface.
   scoped_refptr<ui::NativePixmap> pixmap_;
 
   // EGLImage bound to the GL textures used by the VDA client.
   scoped_refptr<gl::GLImage> gl_image_;
 
   // VASurface used to transfer from the decoder's pixel format.
   scoped_refptr<VASurface> va_surface_;
 
   DISALLOW_COPY_AND_ASSIGN(VaapiDrmPicture);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_MEDIA_VAAPI_DRM_PICTURE_H_