[NOT FOR COMMIT] Fully replace SkCanvas uses.

third_party/WebKit/Source/platform/scroll/ScrollbarThemeMac.mm

 /*
  * Copyright (C) 2008, 2011 Apple Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 21 matching lines @@
 #include "platform/graphics/GraphicsContextStateSaver.h"
 #include "platform/graphics/paint/DrawingRecorder.h"
 #include "platform/mac/ColorMac.h"
 #include "platform/mac/LocalCurrentGraphicsContext.h"
 #include "platform/mac/NSScrollerImpDetails.h"
 #include "platform/mac/ScrollAnimatorMac.h"
 #include "platform/scroll/ScrollbarThemeClient.h"
 #include "public/platform/WebThemeEngine.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebRect.h"
+#include "skia/ext/cdl_canvas.h"
 #include "skia/ext/skia_utils_mac.h"
 #include "wtf/HashSet.h"
 #include "wtf/RetainPtr.h"
 #include "wtf/StdLibExtras.h"
 
 // FIXME: There are repainting problems due to Aqua scroll bar buttons' visual
 // overflow.
 
 using namespace blink;
 
@@ skipping 357 matching lines @@
 }
 
 // static
 NSScrollerStyle ScrollbarThemeMac::recommendedScrollerStyle() {
   if (RuntimeEnabledFeatures::overlayScrollbarsEnabled())
     return NSScrollerStyleOverlay;
   return gPreferredScrollerStyle;
 }
 
 }  // namespace blink