rename getBitmapDC to beginPlatformPaint and add calls to endPlatformPaint

skia/ext/bitmap_platform_device_win.h

-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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 SKIA_BITMAP_PLATFORM_DEVICE_WIN_H_
 #define SKIA_BITMAP_PLATFORM_DEVICE_WIN_H_
 #pragma once
 
 #include "skia/ext/platform_device_win.h"
 
 namespace skia {
@@ skipping 56 matching lines @@
 
   // See warning for copy constructor above.
   BitmapPlatformDevice& operator=(const BitmapPlatformDevice& other);
 
   virtual SkDeviceFactory* getDeviceFactory() {
     return SkNEW(BitmapPlatformDeviceFactory);
   }
 
   // Retrieves the bitmap DC, which is the memory DC for our bitmap data. The
   // bitmap DC is lazy created.
-  virtual HDC getBitmapDC();
+  virtual HDC beginPlatformPaint();
 
   // Loads the given transform and clipping region into the HDC. This is
   // overridden from SkDevice.
   virtual void setMatrixClip(const SkMatrix& transform, const SkRegion& region,
                              const SkClipStack&);
 
   virtual void drawToHDC(HDC dc, int x, int y, const RECT* src_rect);
   virtual void makeOpaque(int x, int y, int width, int height);
   virtual bool IsVectorial() { return false; }
 
@@ skipping 19 matching lines @@
 
   // Data associated with this device, guaranteed non-null. We hold a reference
   // to this object.
   BitmapPlatformDeviceData* data_;
 };
 
 }  // namespace skia
 
 #endif  // SKIA_BITMAP_PLATFORM_DEVICE_WIN_H_