Removal of dependencies on PlatformDevice classes.

ui/gfx/canvas_skia.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 "ui/gfx/canvas_skia.h"
 
 #include <limits>
 
 #include "base/i18n/rtl.h"
 #include "base/logging.h"
@@ skipping 306 matching lines @@
   // need to unref after paint takes ownership of the shader.
   shader->unref();
   save();
   translate(SkIntToScalar(dest_x - src_x), SkIntToScalar(dest_y - src_y));
   ClipRectInt(src_x, src_y, w, h);
   drawPaint(paint);
   restore();
 }
 
 gfx::NativeDrawingContext CanvasSkia::BeginPlatformPaint() {
-  return beginPlatformPaint();
+  return skia::BeginPlatformPaint(this);
 }
 
 void CanvasSkia::EndPlatformPaint() {
-  endPlatformPaint();
+  skia::EndPlatformPaint(this);
 }
 
 void CanvasSkia::Transform(const ui::Transform& transform) {
   concat(transform.matrix());
 }
 
 CanvasSkia* CanvasSkia::AsCanvasSkia() {
   return this;
 }
 
@@ skipping 45 matching lines @@
 
 CanvasPaint* CanvasPaint::CreateCanvasPaint(gfx::NativeView view) {
 #if defined(OS_WIN)
   return new CanvasPaintWin(view);
 #else
   return NULL;
 #endif
 }
 
 }  // namespace gfx