Allow CanvasSkia to bind to an existing SkCanvas.

chrome/browser/ui/views/download/download_item_view.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 "chrome/browser/ui/views/download/download_item_view.h"
 
 #include <vector>
 
 #include "base/callback.h"
 #include "base/file_path.h"
@@ skipping 755 matching lines @@
   x += center_width;
   PaintBitmaps(canvas,
                body_image_set->top_right, body_image_set->right,
                body_image_set->bottom_right,
                x, box_y_, box_height_, body_image_set->top_right->width());
 
   // Overlay our body hot state.
   if (body_hover_animation_->GetCurrentValue() > 0) {
     canvas->SaveLayerAlpha(
         static_cast<int>(body_hover_animation_->GetCurrentValue() * 255));
-    canvas->AsCanvasSkia()->drawARGB(0, 255, 255, 255, SkXfermode::kClear_Mode);
+    canvas->GetSkCanvas()->drawARGB(0, 255, 255, 255, SkXfermode::kClear_Mode);
 
     int x = kLeftPadding;
     PaintBitmaps(canvas,
                  hot_body_image_set_.top_left, hot_body_image_set_.left,
                  hot_body_image_set_.bottom_left,
                  x, box_y_, box_height_, hot_body_image_set_.top_left->width());
     x += body_image_set->top_left->width();
     PaintBitmaps(canvas,
                  hot_body_image_set_.top, hot_body_image_set_.center,
                  hot_body_image_set_.bottom,
@@ skipping 13 matching lines @@
   if (drop_down_image_set) {
     PaintBitmaps(canvas,
                  drop_down_image_set->top, drop_down_image_set->center,
                  drop_down_image_set->bottom,
                  x, box_y_, box_height_, drop_down_image_set->top->width());
 
     // Overlay our drop-down hot state.
     if (drop_hover_animation_->GetCurrentValue() > 0) {
       canvas->SaveLayerAlpha(
           static_cast<int>(drop_hover_animation_->GetCurrentValue() * 255));
-      canvas->AsCanvasSkia()->drawARGB(0, 255, 255, 255,
-                                       SkXfermode::kClear_Mode);
+      canvas->GetSkCanvas()->drawARGB(0, 255, 255, 255,
+                                      SkXfermode::kClear_Mode);
 
       PaintBitmaps(canvas,
                    drop_down_image_set->top, drop_down_image_set->center,
                    drop_down_image_set->bottom,
                    x, box_y_, box_height_, drop_down_image_set->top->width());
 
       canvas->Restore();
     }
   }
 
@@ skipping 294 matching lines @@
   // If the name has changed, notify assistive technology that the name
   // has changed so they can announce it immediately.
   if (new_name != accessible_name_) {
     accessible_name_ = new_name;
     if (GetWidget()) {
       GetWidget()->NotifyAccessibilityEvent(
           this, ui::AccessibilityTypes::EVENT_NAME_CHANGED, true);
     }
   }
 }