Allow CanvasSkia to bind to an existing SkCanvas.

views/bubble/bubble_border.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/bubble/bubble_border.h"
 
 #include <algorithm>  // for std::max
 
 #include "base/logging.h"
 #include "grit/ui_resources.h"
@@ skipping 405 matching lines @@
   gfx::Path path;
   path.incReserve(4);
   path.moveTo(SkIntToScalar(tip_x), SkIntToScalar(tip_y));
   path.lineTo(SkIntToScalar(tip_x + shift_x),
               SkIntToScalar(tip_y + shift_y));
   if (is_horizontal)
     path.lineTo(SkIntToScalar(tip_x - shift_x), SkIntToScalar(tip_y + shift_y));
   else
     path.lineTo(SkIntToScalar(tip_x + shift_x), SkIntToScalar(tip_y - shift_y));
   path.close();
-  canvas->AsCanvasSkia()->drawPath(path, paint);
+  canvas->GetSkCanvas()->drawPath(path, paint);
 }
 
 /////////////////////////
 
 void BubbleBackground::Paint(gfx::Canvas* canvas, views::View* view) const {
   // The border of this view creates an anti-aliased round-rect region for the
   // contents, which we need to fill with the background color.
   // NOTE: This doesn't handle an arrow location of "NONE", which has square top
   // corners.
   SkPaint paint;
   paint.setAntiAlias(true);
   paint.setStyle(SkPaint::kFill_Style);
   paint.setColor(border_->background_color());
   gfx::Path path;
   gfx::Rect bounds(view->GetContentsBounds());
   SkRect rect;
   rect.set(SkIntToScalar(bounds.x()), SkIntToScalar(bounds.y()),
            SkIntToScalar(bounds.right()), SkIntToScalar(bounds.bottom()));
   SkScalar radius = SkIntToScalar(BubbleBorder::GetCornerRadius());
   path.addRoundRect(rect, radius, radius);
-  canvas->AsCanvasSkia()->drawPath(path, paint);
+  canvas->GetSkCanvas()->drawPath(path, paint);
 }
 
 }  // namespace views