keep only one typedef for the native drawing context

printing/printed_document.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_PRINTED_DOCUMENT_H_
 #define PRINTING_PRINTED_DOCUMENT_H_
 
 #include <map>
 #include <memory>
 
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/strings/string16.h"
 #include "base/synchronization/lock.h"
 #include "printing/print_settings.h"
-#include "ui/gfx/native_widget_types.h"
+#include "skia/ext/native_drawing_context.h"
 
 namespace base {
 class RefCountedMemory;
 class TaskRunner;
 }
 
 namespace printing {
 
 class MetafilePlayer;
 class PrintedPage;
@@ skipping 28 matching lines @@
 
   // Retrieves a page. If the page is not available right now, it
   // requests to have this page be rendered and returns NULL.
   // Note: locks for a short amount of time.
   scoped_refptr<PrintedPage> GetPage(int page_number);
 
   // Draws the page in the context.
   // Note: locks for a short amount of time in debug only.
 #if defined(OS_WIN) || defined(OS_MACOSX) && !defined(USE_AURA)
   void RenderPrintedPage(const PrintedPage& page,
-                         gfx::NativeDrawingContext context) const;
+                         skia::NativeDrawingContext context) const;
 #elif defined(OS_POSIX)
   void RenderPrintedPage(const PrintedPage& page,
                          PrintingContext* context) const;
 #endif
 
   // Returns true if all the necessary pages for the settings are already
   // rendered.
   // Note: locks while parsing the whole tree.
   bool IsComplete() const;
 
@@ skipping 108 matching lines @@
 
   // All the immutable members.
   const Immutable immutable_;
 
   DISALLOW_COPY_AND_ASSIGN(PrintedDocument);
 };
 
 }  // namespace printing
 
 #endif  // PRINTING_PRINTED_DOCUMENT_H_