Revert of Back PaintRecord with PaintOpBuffer instead of SkPicture

third_party/WebKit/Source/platform/mac/LocalCurrentGraphicsContext.mm

 /*
  * Copyright (C) 2006 Apple Computer, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "platform/mac/LocalCurrentGraphicsContext.h"
 
 #include <AppKit/NSGraphicsContext.h>
 #include "platform/graphics/GraphicsContext.h"
 #include "platform/graphics/paint/PaintCanvas.h"
 #include "platform/mac/ThemeMac.h"
 #include "platform_canvas.h"
-#include "third_party/skia/include/core/SkRegion.h"
 
 namespace blink {
 
 LocalCurrentGraphicsContext::LocalCurrentGraphicsContext(
     GraphicsContext& graphics_context,
     const IntRect& dirty_rect)
     : LocalCurrentGraphicsContext(graphics_context.Canvas(),
                                   graphics_context.DeviceScaleFactor(),
                                   dirty_rect) {}
 
@@ skipping 51 matching lines @@
 }
 
 CGContextRef LocalCurrentGraphicsContext::CgContext() {
   // This synchronizes the CGContext to reflect the current SkCanvas state.
   // The implementation may not return the same CGContext each time.
   CGContextRef cg_context = graphics_context_canvas_.CgContext();
 
   return cg_context;
 }
 }