Change namespace from ui to gfx for NativePixmap related code

ui/ozone/public/surface_factory_ozone.h

 // Copyright (c) 2013 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 UI_OZONE_PUBLIC_SURFACE_FACTORY_OZONE_H_
 #define UI_OZONE_PUBLIC_SURFACE_FACTORY_OZONE_H_
 
 #include <stdint.h>
 
 #include <memory>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/native_library.h"
 #include "ui/gfx/buffer_types.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/native_pixmap.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/overlay_transform.h"
 #include "ui/gl/gl_implementation.h"
 #include "ui/ozone/ozone_base_export.h"
 #include "ui/ozone/public/gl_ozone.h"
 
+namespace gfx {
+class NativePixmap;
+}
+
 namespace ui {
 
-class NativePixmap;
 class SurfaceOzoneCanvas;
 
 // The Ozone interface allows external implementations to hook into Chromium to
 // provide a system specific implementation. The Ozone interface supports two
 // drawing modes: 1) accelerated drawing using GL and 2) software drawing
 // through Skia.
 //
 // If you want to paint on a window with ozone, you need to create a GLSurface
 // or SurfaceOzoneCanvas for that window. The platform can support software, GL,
 // or both for painting on the window. The following functionality is specific
@@ skipping 36 matching lines @@
 
   // Returns all scanout formats for |widget| representing a particular display
   // controller or default display controller for kNullAcceleratedWidget.
   virtual std::vector<gfx::BufferFormat> GetScanoutFormats(
       gfx::AcceleratedWidget widget);
 
   // Create a single native buffer to be used for overlay planes or zero copy
   // for |widget| representing a particular display controller or default
   // display controller for kNullAcceleratedWidget.
   // It can be called on any thread.
-  virtual scoped_refptr<NativePixmap> CreateNativePixmap(
+  virtual scoped_refptr<gfx::NativePixmap> CreateNativePixmap(
       gfx::AcceleratedWidget widget,
       gfx::Size size,
       gfx::BufferFormat format,
       gfx::BufferUsage usage);
 
   // Create a single native buffer from an existing handle. Takes ownership of
   // |handle| and can be called on any thread.
-  virtual scoped_refptr<NativePixmap> CreateNativePixmapFromHandle(
+  virtual scoped_refptr<gfx::NativePixmap> CreateNativePixmapFromHandle(
       gfx::AcceleratedWidget widget,
       gfx::Size size,
       gfx::BufferFormat format,
       const gfx::NativePixmapHandle& handle);
 
  protected:
   SurfaceFactoryOzone();
   virtual ~SurfaceFactoryOzone();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(SurfaceFactoryOzone);
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PUBLIC_SURFACE_FACTORY_OZONE_H_