keep only one typedef for the native drawing context

ui/base/clipboard/clipboard_win.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.
 
 // Many of these functions are based on those found in
 // webkit/port/platform/PasteboardWin.cpp
 
 #include "ui/base/clipboard/clipboard_win.h"
 
 #include <shellapi.h>
@@ skipping 599 matching lines @@
   }
   const void* bitmap_bits = reinterpret_cast<const char*>(bitmap)
       + bitmap->bmiHeader.biSize + color_table_length * sizeof(RGBQUAD);
 
   gfx::Canvas canvas(gfx::Size(bitmap->bmiHeader.biWidth,
                                bitmap->bmiHeader.biHeight),
                      1.0f,
                      false);
   {
     skia::ScopedPlatformPaint scoped_platform_paint(canvas.sk_canvas());
-    HDC dc = scoped_platform_paint.GetPlatformSurface();
+    HDC dc = scoped_platform_paint.GetNativeDrawingContext();
     ::SetDIBitsToDevice(dc, 0, 0, bitmap->bmiHeader.biWidth,
                         bitmap->bmiHeader.biHeight, 0, 0, 0,
                         bitmap->bmiHeader.biHeight, bitmap_bits, bitmap,
                         DIB_RGB_COLORS);
   }
   // Windows doesn't really handle alpha channels well in many situations. When
   // the source image is < 32 bpp, we force the bitmap to be opaque. When the
   // source image is 32 bpp, the alpha channel might still contain garbage data.
   // Since Windows uses premultiplied alpha, we scan for instances where
   // (R, G, B) > A. If there are any invalid premultiplied colors in the image,
@@ skipping 251 matching lines @@
   if (!clipboard_owner_)
     return NULL;
 
   if (clipboard_owner_->hwnd() == NULL)
     clipboard_owner_->Create(base::Bind(&ClipboardOwnerWndProc));
 
   return clipboard_owner_->hwnd();
 }
 
 }  // namespace ui