Eliminate skia::PlatformCanvas - Step 1

skia/ext/platform_canvas.cc

 // Copyright (c) 2006-2008 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/platform_canvas.h"
 
 #include "skia/ext/bitmap_platform_device.h"
 #include "third_party/skia/include/core/SkTypes.h"
 
 namespace skia {
@@ skipping 23 matching lines @@
 
 bool PlatformCanvas::initializeWithDevice(SkDevice* device) {
   if (!device)
     return false;
 
   setDevice(device);
   device->unref();  // Was created with refcount 1, and setDevice also refs.
   return true;
 }
 
+SkCanvas* CreateBitmapCanvas(int width, int height, bool is_opaque) {
+  return new PlatformCanvas(width, height, is_opaque);
+}
+
+PlatformDevice::PlatformSurface BeginPlatformPaint(SkCanvas* canvas) {
+  // All of our devices should be our special PlatformDevice.
+  PlatformDevice* device = static_cast<PlatformDevice*>(canvas->getDevice());
+  return device->BeginPlatformPaint();
+}
+
+void EndPlatformPaint(SkCanvas* canvas) {
+  // All of our devices should be our special PlatformDevice.
+  PlatformDevice* device = static_cast<PlatformDevice*>(canvas->getDevice());
+  device->EndPlatformPaint();
+}
+
 }  // namespace skia