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

ui/views/controls/tabbed_pane/tabbed_pane.cc

Index: ui/views/controls/tabbed_pane/tabbed_pane.cc
diff --git a/ui/views/controls/tabbed_pane/tabbed_pane.cc b/ui/views/controls/tabbed_pane/tabbed_pane.cc
index 5e874f13147b2d1431e3ab28426b57bfef003266..7c24eec126068834d3959221572331f735efd1b2 100644
--- a/ui/views/controls/tabbed_pane/tabbed_pane.cc
+++ b/ui/views/controls/tabbed_pane/tabbed_pane.cc
@@ -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.
 
@@ -129,7 +129,7 @@ void TabbedPane::OnFocus() {
   }
 }
 
-void TabbedPane::OnPaintFocusBorder(gfx::Canvas* canvas) {
+void TabbedPane::OnPaintFocusBorder(gfx::CanvasSkia* canvas) {
   if (NativeViewHost::kRenderNativeControlFocus)
     View::OnPaintFocusBorder(canvas);
 }