keep only one typedef for the native drawing context

printing/printed_document.h

Index: printing/printed_document.h
diff --git a/printing/printed_document.h b/printing/printed_document.h
index 6231d2ee4f8c88f60a5bf7d0db43d8482a556c41..c165d66b2acef91a92153430d5b5d84eca657854 100644
--- a/printing/printed_document.h
+++ b/printing/printed_document.h
@@ -14,7 +14,7 @@
 #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;
@@ -63,7 +63,7 @@ class PRINTING_EXPORT PrintedDocument
   // 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;