Change namespace from ui to gfx for NativePixmap related code

media/gpu/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 MEDIA_GPU_VAAPI_DRM_PICTURE_H_
 #define MEDIA_GPU_VAAPI_DRM_PICTURE_H_
 
 #include <stdint.h>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "media/gpu/vaapi_picture.h"
 #include "ui/gfx/buffer_types.h"
 #include "ui/gfx/geometry/size.h"
 
 namespace gl {
 class GLImage;
 }
 
-namespace ui {
+namespace gfx {
 class NativePixmap;
 }
 
 namespace media {
 
 class VaapiWrapper;
 
 // Implementation of VaapiPicture for the ozone/drm backed chromium.
 class VaapiDrmPicture : public VaapiPicture {
  public:
@@ skipping 13 matching lines @@
       const gfx::GpuMemoryBufferHandle& gpu_memory_buffer_handle) override;
 
   bool DownloadFromSurface(const scoped_refptr<VASurface>& va_surface) override;
 
   bool AllowOverlay() const override;
 
  private:
   bool Initialize();
 
   // Ozone buffer, the storage of the EGLImage and the VASurface.
-  scoped_refptr<ui::NativePixmap> pixmap_;
+  scoped_refptr<gfx::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 media
 
 #endif  // MEDIA_GPU_VAAPI_DRM_PICTURE_H_