ui/gfx: Make gfx::Canvas inherit from gfx::CanvasSkia.

ui/views/controls/tabbed_pane/tabbed_pane.h

Index: ui/views/controls/tabbed_pane/tabbed_pane.h
diff --git a/ui/views/controls/tabbed_pane/tabbed_pane.h b/ui/views/controls/tabbed_pane/tabbed_pane.h
index 41506622dbe88d6ae44bd3dffd478df4b3e65275..d8f8c495f2ee8f31a7c3edc5f9bc8740ec4daa47 100644
--- a/ui/views/controls/tabbed_pane/tabbed_pane.h
+++ b/ui/views/controls/tabbed_pane/tabbed_pane.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 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.
 
@@ -88,7 +88,7 @@ class VIEWS_EXPORT TabbedPane : public View {
   virtual bool AcceleratorPressed(const ui::Accelerator& accelerator) OVERRIDE;
   virtual std::string GetClassName() const OVERRIDE;
   virtual void OnFocus() OVERRIDE;
-  virtual void OnPaintFocusBorder(gfx::Canvas* canvas) OVERRIDE;
+  virtual void OnPaintFocusBorder(gfx::CanvasSkia* canvas) OVERRIDE;
   virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE;
 
   // The listener we notify about tab selection changes.