keep only one typedef for the native drawing context

printing/metafile.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 PRINTING_METAFILE_H_
 #define PRINTING_METAFILE_H_
 
 #include <stdint.h>
 
 #include <vector>
 
 #include "base/macros.h"
 #include "build/build_config.h"
 #include "printing/printing_export.h"
-#include "ui/gfx/native_widget_types.h"
+#include "skia/ext/platform_surface.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #elif defined(OS_MACOSX)
 #include <ApplicationServices/ApplicationServices.h>
 #include <CoreFoundation/CoreFoundation.h>
 #include "base/mac/scoped_cftyperef.h"
 #endif
 
 namespace base {
@@ skipping 41 matching lines @@
   };
 #endif  // defined(OS_MACOSX)
   MetafilePlayer();
   virtual ~MetafilePlayer();
 
 #if defined(OS_WIN)
   // The slow version of Playback(). It enumerates all the records and play them
   // back in the HDC. The trick is that it skip over the records known to have
   // issue with some printers. See Emf::Record::SafePlayback implementation for
   // details.
-  virtual bool SafePlayback(gfx::NativeDrawingContext hdc) const = 0;
+  virtual bool SafePlayback(skia::NativeDrawingContext hdc) const = 0;
 
 #elif defined(OS_MACOSX)
   // Renders the given page into |rect| in the given context.
   // Pages use a 1-based index. The rendering uses the arguments in
   // |params| to determine scaling, translation, and rotation.
   virtual bool RenderPage(unsigned int page_number,
-                          gfx::NativeDrawingContext context,
+                          skia::NativeDrawingContext context,
                           const CGRect rect,
                           const MacRenderPageParams& params) const = 0;
 #endif  // if defined(OS_WIN)
 
   // Populates the buffer with the underlying data. This function should ONLY be
   // called after the metafile is closed. Returns true if writing succeeded.
   virtual bool GetDataAsVector(std::vector<char>* buffer) const = 0;
 
   // Saves the underlying data to the given file. This function should ONLY be
   // called after the metafile is closed. Returns true if writing succeeded.
@@ skipping 42 matching lines @@
   virtual uint32_t GetDataSize() const = 0;
 
   // Copies the first |dst_buffer_size| bytes of the underlying data stream into
   // |dst_buffer|. This function should ONLY be called after Close() is invoked.
   // Returns true if the copy succeeds.
   virtual bool GetData(void* dst_buffer, uint32_t dst_buffer_size) const = 0;
 
   virtual gfx::Rect GetPageBounds(unsigned int page_number) const = 0;
   virtual unsigned int GetPageCount() const = 0;
 
-  virtual gfx::NativeDrawingContext context() const = 0;
+  virtual skia::NativeDrawingContext context() const = 0;
 
 #if defined(OS_WIN)
   // "Plays" the EMF buffer in a HDC. It is the same effect as calling the
   // original GDI function that were called when recording the EMF. |rect| is in
   // "logical units" and is optional. If |rect| is NULL, the natural EMF bounds
   // are used.
   // Note: Windows has been known to have stack buffer overflow in its GDI
   // functions, whether used directly or indirectly through precompiled EMF
   // data. We have to accept the risk here. Since it is used only for printing,
   // it requires user intervention.
-  virtual bool Playback(gfx::NativeDrawingContext hdc,
+  virtual bool Playback(skia::NativeDrawingContext hdc,
                         const RECT* rect) const = 0;
 #endif  // OS_WIN
 
   // MetfilePlayer
   bool GetDataAsVector(std::vector<char>* buffer) const override;
   bool SaveTo(base::File* file) const override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(Metafile);
 };
 
 }  // namespace printing
 
 #endif  // PRINTING_METAFILE_H_