keep only one typedef for the native drawing context

printing/pdf_metafile_cg_mac.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_PDF_METAFILE_CG_MAC_H_
 #define PRINTING_PDF_METAFILE_CG_MAC_H_
 
 #include <ApplicationServices/ApplicationServices.h>
 #include <CoreFoundation/CoreFoundation.h>
 #include <stdint.h>
@@ skipping 28 matching lines @@
   bool GetData(void* dst_buffer, uint32_t dst_buffer_size) const override;
 
   gfx::Rect GetPageBounds(unsigned int page_number) const override;
   unsigned int GetPageCount() const override;
 
   // Note: The returned context *must not be retained* past Close(). If it is,
   // the data returned from GetData will not be valid PDF data.
   CGContextRef context() const override;
 
   bool RenderPage(unsigned int page_number,
-                  gfx::NativeDrawingContext context,
+                  skia::NativeDrawingContext context,
                   const CGRect rect,
                   const MacRenderPageParams& params) const override;
 
  private:
   // Returns a CGPDFDocumentRef version of |pdf_data_|.
   CGPDFDocumentRef GetPDFDocument() const;
 
   // Context for rendering to the pdf.
   base::ScopedCFTypeRef<CGContextRef> context_;
 
   // PDF backing store.
   base::ScopedCFTypeRef<CFMutableDataRef> pdf_data_;
 
   // Lazily-created CGPDFDocument representation of |pdf_data_|.
   mutable base::ScopedCFTypeRef<CGPDFDocumentRef> pdf_doc_;
 
   // Whether or not a page is currently open.
   bool page_is_open_;
 
   DISALLOW_COPY_AND_ASSIGN(PdfMetafileCg);
 };
 
 }  // namespace printing
 
 #endif  // PRINTING_PDF_METAFILE_CG_MAC_H_