Update use of SkCanvas and SkDevice to match change in Skia

skia/ext/vector_platform_device_win.h

 // Copyright (c) 2009 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_EXT_VECTOR_PLATFORM_DEVICE_WIN_H_
 #define SKIA_EXT_VECTOR_PLATFORM_DEVICE_WIN_H_
 #pragma once
 
 #include "skia/ext/platform_device.h"
 #include "third_party/skia/include/core/SkMatrix.h"
 #include "third_party/skia/include/core/SkRegion.h"
 
 namespace skia {
 
+class SkVectorPlatformDeviceFactory : public SkRasterDeviceFactory {
+ public:
+  virtual SkDevice* newDevice(SkBitmap::Config config, int width, int height,
+                              bool isOpaque, bool isForLayer);
+  static SkDevice* CreateDevice(int width, int height, bool isOpaque,
+                                HANDLE shared_section);
+};
+
 // A device is basically a wrapper around SkBitmap that provides a surface for
 // SkCanvas to draw into. This specific device is not not backed by a surface
 // and is thus unreadable. This is because the backend is completely vectorial.
 // This device is a simple wrapper over a Windows device context (HDC) handle.
 class VectorPlatformDevice : public PlatformDevice {
  public:
   // Factory function. The DC is kept as the output context.
   static VectorPlatformDevice* create(HDC dc, int width, int height);
 
   VectorPlatformDevice(HDC dc, const SkBitmap& bitmap);
   virtual ~VectorPlatformDevice();
 
+  virtual SkDeviceFactory* getDeviceFactory() {
+    return SkNEW(SkVectorPlatformDeviceFactory);
+  }
+
   virtual HDC getBitmapDC() {
     return hdc_;
   }
 
   virtual void drawPaint(const SkDraw& draw, const SkPaint& paint);
   virtual void drawPoints(const SkDraw& draw, SkCanvas::PointMode mode,
                           size_t count, const SkPoint[], const SkPaint& paint);
   virtual void drawRect(const SkDraw& draw, const SkRect& r,
                         const SkPaint& paint);
   virtual void drawPath(const SkDraw& draw, const SkPath& path,
@@ skipping 75 matching lines @@
 
   // Copy & assign are not supported.
   VectorPlatformDevice(const VectorPlatformDevice&);
   const VectorPlatformDevice& operator=(const VectorPlatformDevice&);
 };
 
 }  // namespace skia
 
 #endif  // SKIA_EXT_VECTOR_PLATFORM_DEVICE_WIN_H_