Update use of SkCanvas and SkDevice to match change in Skia

skia/ext/vector_canvas_win.cc

 // 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.
 
 #include "skia/ext/vector_canvas.h"
 
 #include "skia/ext/bitmap_platform_device.h"
 #include "skia/ext/vector_platform_device.h"
 
 namespace skia {
 
 VectorCanvas::VectorCanvas(HDC dc, int width, int height) {
   bool initialized = initialize(dc, width, height);
   if (!initialized)
     __debugbreak();
 }
 
 bool VectorCanvas::initialize(HDC context, int width, int height) {
-  SkDevice* device = createPlatformDevice(width, height, true, context);
+  SkDevice* device = SkVectorPlatformDeviceFactory::CreateDevice(width, height,
+                                                                 true, context);
   if (!device)
     return false;
 
   setDevice(device);
   device->unref();  // was created with refcount 1, and setDevice also refs
   return true;
 }
 
-SkDevice* VectorCanvas::createDevice(SkBitmap::Config config,
-                                     int width, int height,
-                                     bool is_opaque, bool isForLayer) {
-  SkASSERT(config == SkBitmap::kARGB_8888_Config);
-  return createPlatformDevice(width, height, is_opaque, NULL);
-}
-
-SkDevice* VectorCanvas::createPlatformDevice(int width,
-                                             int height, bool is_opaque,
-                                             HANDLE shared_section) {
-  if (!is_opaque) {
-    // TODO(maruel):  http://crbug.com/18382 When restoring a semi-transparent
-    // layer, i.e. merging it, we need to rasterize it because GDI doesn't
-    // support transparency except for AlphaBlend(). Right now, a
-    // BitmapPlatformDevice is created when VectorCanvas think a saveLayers()
-    // call is being done. The way to save a layer would be to create an
-    // EMF-based VectorDevice and have this device registers the drawing. When
-    // playing back the device into a bitmap, do it at the printer's dpi instead
-    // of the layout's dpi (which is much lower).
-    return BitmapPlatformDevice::create(width, height,
-                                        is_opaque, shared_section);
-  }
-
-  // TODO(maruel):  http://crbug.com/18383 Look if it would be worth to
-  // increase the resolution by ~10x (any worthy factor) to increase the
-  // rendering precision (think about printing) while using a relatively
-  // low dpi. This happens because we receive float as input but the GDI
-  // functions works with integers. The idea is to premultiply the matrix
-  // with this factor and multiply each SkScalar that are passed to
-  // SkScalarRound(value) as SkScalarRound(value * 10). Safari is already
-  // doing the same for text rendering.
-  SkASSERT(shared_section);
-  PlatformDevice* device = VectorPlatformDevice::create(
-      reinterpret_cast<HDC>(shared_section), width, height);
-  return device;
-}
-
 }  // namespace skia