keep only one typedef for the native drawing context

printing/pdf_metafile_skia.cc

 // 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.
 
 #include "printing/pdf_metafile_skia.h"
 
 #include "base/files/file.h"
 #include "base/time/time.h"
 #include "printing/print_settings.h"
 #include "third_party/skia/include/core/SkDocument.h"
@@ skipping 210 matching lines @@
     return gfx::Rect(gfx::ToRoundedInt(size.width()),
                      gfx::ToRoundedInt(size.height()));
   }
   return gfx::Rect();
 }
 
 unsigned int PdfMetafileSkia::GetPageCount() const {
   return base::checked_cast<unsigned int>(data_->pages_.size());
 }
 
-gfx::NativeDrawingContext PdfMetafileSkia::context() const {
+skia::NativeDrawingContext PdfMetafileSkia::context() const {
   NOTREACHED();
   return nullptr;
 }
 
 
 #if defined(OS_WIN)
-bool PdfMetafileSkia::Playback(gfx::NativeDrawingContext hdc,
+bool PdfMetafileSkia::Playback(skia::NativeDrawingContext hdc,
                                const RECT* rect) const {
   NOTREACHED();
   return false;
 }
 
-bool PdfMetafileSkia::SafePlayback(gfx::NativeDrawingContext hdc) const {
+bool PdfMetafileSkia::SafePlayback(skia::NativeDrawingContext hdc) const {
   NOTREACHED();
   return false;
 }
 
 #elif defined(OS_MACOSX)
 /* TODO(caryclark): The set up of PluginInstance::PrintPDFOutput may result in
    rasterized output.  Even if that flow uses PdfMetafileCg::RenderPage,
    the drawing of the PDF into the canvas may result in a rasterized output.
    PDFMetafileSkia::RenderPage should be not implemented as shown and instead
    should do something like the following CL in PluginInstance::PrintPDFOutput:
@@ skipping 59 matching lines @@
 
   metafile->data_->pages_.push_back(data_->pages_.back());
 
   if (!metafile->FinishDocument())  // Generate PDF.
     metafile.reset();
 
   return metafile;
 }
 
 }  // namespace printing