Fixed a few styles issues in skia::PlatformDevice. Made function names consistent. Added Begin/En...

skia/ext/platform_canvas_mac.cc

 // 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.
 
 #include "skia/ext/platform_canvas.h"
 
 #include "skia/ext/bitmap_platform_device_mac.h"
 #include "third_party/skia/include/core/SkTypes.h"
 
 namespace skia {
@@ skipping 32 matching lines @@
 
 bool PlatformCanvas::initialize(CGContextRef context,
                                 int width,
                                 int height,
                                 bool is_opaque) {
   return initializeWithDevice(BitmapPlatformDevice::Create(
       context, width, height, is_opaque));
 }
 
 CGContextRef PlatformCanvas::beginPlatformPaint() const {
-  return getTopPlatformDevice().GetBitmapContext();
+  return getTopPlatformDevice().BeginPlatformPaint();
 }
 
 void PlatformCanvas::endPlatformPaint() const {
-  // Flushing will be done in onAccessBitmap.
+  getTopPlatformDevice().EndPlatformPaint();
 }
 
 }  // namespace skia