Allow CanvasSkia to bind to an existing SkCanvas.

views/controls/menu/menu_image_util_linux.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 "views/controls/menu/menu_image_util_linux.h"
 
 #include "base/i18n/rtl.h"
 #include "grit/ui_resources.h"
 #include "third_party/skia/include/effects/SkGradientShader.h"
 #include "ui/base/resource/resource_bundle.h"
@@ skipping 29 matching lines @@
   SkColor gradient_colors[3] = { kGradient0, kGradient1, kGradient2 };
   SkShader* shader = SkGradientShader::CreateLinear(
       gradient_points, gradient_colors, NULL, arraysize(gradient_points),
       SkShader::kClamp_TileMode, NULL);
   SkPaint paint;
   paint.setStyle(SkPaint::kFill_Style);
   paint.setAntiAlias(true);
   paint.setShader(shader);
   shader->unref();
   int radius = kIndicatorSize / 2;
-  canvas.drawCircle(radius, radius, radius, paint);
+  canvas.sk_canvas()->drawCircle(radius, radius, radius, paint);
 
   paint.setStrokeWidth(SkIntToScalar(0));
   paint.setShader(NULL);
   paint.setStyle(SkPaint::kStroke_Style);
   paint.setColor(kBaseStroke);
-  canvas.drawCircle(radius, radius, radius, paint);
+  canvas.sk_canvas()->drawCircle(radius, radius, radius, paint);
 
   if (selected) {
     SkPoint selected_gradient_points[2];
     selected_gradient_points[0].set(SkIntToScalar(0), SkIntToScalar(0));
     selected_gradient_points[1].set(
         SkIntToScalar(0),
         SkIntToScalar(kSelectedIndicatorSize));
     SkColor selected_gradient_colors[2] = { kRadioButtonIndicatorGradient0,
                                             kRadioButtonIndicatorGradient1 };
     shader = SkGradientShader::CreateLinear(
         selected_gradient_points, selected_gradient_colors, NULL,
         arraysize(selected_gradient_points), SkShader::kClamp_TileMode, NULL);
     paint.setShader(shader);
     shader->unref();
     paint.setStyle(SkPaint::kFill_Style);
-    canvas.drawCircle(radius, radius,
-                      kSelectedIndicatorSize / 2, paint);
+    canvas.sk_canvas()->drawCircle(radius, radius,
+                                   kSelectedIndicatorSize / 2, paint);
 
     paint.setStrokeWidth(SkIntToScalar(0));
     paint.setShader(NULL);
     paint.setStyle(SkPaint::kStroke_Style);
     paint.setColor(kIndicatorStroke);
-    canvas.drawCircle(radius, radius,
-                      kSelectedIndicatorSize / 2, paint);
+    canvas.sk_canvas()->drawCircle(radius, radius,
+                                   kSelectedIndicatorSize / 2, paint);
   }
   return new SkBitmap(canvas.ExtractBitmap());
 }
 
 SkBitmap* GetRtlSubmenuArrowImage() {
   static SkBitmap* kRtlArrow = NULL;
   if (!kRtlArrow) {
     ResourceBundle& rb = ResourceBundle::GetSharedInstance();
     SkBitmap* r = rb.GetBitmapNamed(IDR_MENU_ARROW);
     gfx::CanvasSkia canvas(r->width(), r->height(), false);
@@ skipping 15 matching lines @@
   return selected ? kRadioOn : kRadioOff;
 }
 
 const SkBitmap* GetSubmenuArrowImage() {
   return base::i18n::IsRTL() ?
       GetRtlSubmenuArrowImage() :
       ResourceBundle::GetSharedInstance().GetBitmapNamed(IDR_MENU_ARROW);
 }
 
 }  // namespace views;