Revert 78812 - Unfork VectorPlatformCanvas.

skia/ext/vector_canvas.h

 // Copyright (c) 2006-2009 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_CANVAS_H_
 #define SKIA_EXT_VECTOR_CANVAS_H_
 #pragma once
 
 #include "skia/ext/platform_canvas.h"
+#include "skia/ext/vector_platform_device.h"
+
+#if defined(__linux__) || defined(__FreeBSD__) || defined(__OpenBSD__)
+typedef struct _cairo cairo_t;
+#endif
 
 namespace skia {
 
-class PlatformDevice;
-
 // This class is a specialization of the regular PlatformCanvas. It is designed
 // to work with a VectorDevice to manage platform-specific drawing. It allows
 // using both Skia operations and platform-specific operations. It *doesn't*
 // support reading back from the bitmap backstore since it is not used.
 class SK_API VectorCanvas : public PlatformCanvas {
  public:
-  // Ownership of |device| is transfered to VectorCanvas.
-  explicit VectorCanvas(PlatformDevice* device);
+  VectorCanvas();
+  explicit VectorCanvas(SkDeviceFactory* factory);
+#if defined(WIN32)
+  VectorCanvas(HDC dc, int width, int height);
+#elif defined(__linux__) || defined(__FreeBSD__) || defined(__OpenBSD__)
+  // Caller owns |context|. Ownership is not transferred.
+  VectorCanvas(cairo_t* context, int width, int height);
+#endif
   virtual ~VectorCanvas();
 
+  // For two-part init, call if you use the no-argument constructor above
+#if defined(WIN32)
+  bool initialize(HDC context, int width, int height);
+#elif defined(__linux__) || defined(__FreeBSD__) || defined(__OpenBSD__)
+  // Ownership of |context| is not transferred.
+  bool initialize(cairo_t* context, int width, int height);
+#endif
+
   virtual SkBounder* setBounder(SkBounder* bounder);
   virtual SkDrawFilter* setDrawFilter(SkDrawFilter* filter);
 
  private:
   // Returns true if the top device is vector based and not bitmap based.
   bool IsTopDeviceVectorial() const;
 
   // Copy & assign are not supported.
   VectorCanvas(const VectorCanvas&);
   const VectorCanvas& operator=(const VectorCanvas&);
 };
 
 }  // namespace skia
 
 #endif  // SKIA_EXT_VECTOR_CANVAS_H_