Allow CanvasSkia to bind to an existing SkCanvas.

views/controls/menu/menu_item_view_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_item_view.h"
 
 #include "base/utf_string_conversions.h"
 #include "grit/ui_resources.h"
 #include "third_party/skia/include/effects/SkGradientShader.h"
 #include "ui/base/resource/resource_bundle.h"
@@ skipping 50 matching lines @@
   int bottom_margin = GetBottomMargin();
   int icon_y = top_margin + (height() - config.item_top_margin -
                              bottom_margin - config.check_height) / 2;
   int icon_height = config.check_height;
   int available_height = height() - top_margin - bottom_margin;
 
   // Render the background. As MenuScrollViewContainer draws the background, we
   // only need the background when we want it to look different, as when we're
   // selected.
   if (render_selection)
-    canvas->AsCanvasSkia()->drawColor(kSelectedBackgroundColor,
-                                      SkXfermode::kSrc_Mode);
+    canvas->GetSkCanvas()->drawColor(kSelectedBackgroundColor,
+                                     SkXfermode::kSrc_Mode);
 
   // Render the check.
   if (type_ == CHECKBOX && GetDelegate()->IsItemChecked(GetCommand())) {
     ResourceBundle& rb = ResourceBundle::GetSharedInstance();
     SkBitmap* check = rb.GetBitmapNamed(IDR_MENU_CHECK);
     // Don't use config.check_width here as it's padded to force more padding.
     gfx::Rect check_bounds(icon_x, icon_y, check->width(), icon_height);
     AdjustBoundsForRTLUI(&check_bounds);
     canvas->DrawBitmapInt(*check, check_bounds.x(), check_bounds.y());
   } else if (type_ == RADIO) {
@@ skipping 49 matching lines @@
                            top_margin + (available_height -
                                          config.arrow_width) / 2,
                            config.arrow_width, height());
     AdjustBoundsForRTLUI(&arrow_bounds);
     canvas->DrawBitmapInt(*GetSubmenuArrowImage(),
                           arrow_bounds.x(), arrow_bounds.y());
   }
 }
 
 }  // namespace views