[NOT FOR COMMIT] Fully replace SkCanvas uses.

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/mac/ThemeMac.h"
 #include "platform_canvas.h"
+#include "skia/ext/cdl_canvas.h"
 
 namespace blink {
 
 LocalCurrentGraphicsContext::LocalCurrentGraphicsContext(
     GraphicsContext& graphicsContext,
     const IntRect& dirtyRect)
     : LocalCurrentGraphicsContext(graphicsContext.canvas(),
                                   graphicsContext.deviceScaleFactor(),
                                   dirtyRect) {}
 
 static IntRect clampRect(int size, const IntRect& rect) {
   IntRect clampedRect(rect);
   clampedRect.setSize(IntSize(std::min(size, clampedRect.width()),
                               std::min(size, clampedRect.height())));
   return clampedRect;
 }
 
 static const int kMaxDirtyRectPixelSize = 10000;
 
 LocalCurrentGraphicsContext::LocalCurrentGraphicsContext(
-    SkCanvas* canvas,
+    CdlCanvas* canvas,
     float deviceScaleFactor,
     const IntRect& dirtyRect)
     : m_didSetGraphicsContext(false),
       m_inflatedDirtyRect(ThemeMac::inflateRectForAA(dirtyRect)),
       m_skiaBitLocker(canvas, m_inflatedDirtyRect, deviceScaleFactor) {
   m_savedCanvas = canvas;
   canvas->save();
 
   // Constrain the maximum size of what we paint to something reasonable. This
   // accordingly means we will not paint the entirety of truly huge native form
@@ skipping 27 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 cgContext = m_skiaBitLocker.cgContext();
 
   return cgContext;
 }
 }