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

ui/views/controls/tabbed_pane/native_tabbed_pane_views.cc

Index: ui/views/controls/tabbed_pane/native_tabbed_pane_views.cc
diff --git a/ui/views/controls/tabbed_pane/native_tabbed_pane_views.cc b/ui/views/controls/tabbed_pane/native_tabbed_pane_views.cc
index 7d9b4ae63a9cdaf89b8164e7878b756fff226ac5..715cdeac30203bd0852a5311da7b45c9c13599b3 100644
--- a/ui/views/controls/tabbed_pane/native_tabbed_pane_views.cc
+++ b/ui/views/controls/tabbed_pane/native_tabbed_pane_views.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.
 
@@ -78,7 +78,7 @@ class Tab : public View {
     paint.setColor(kTabBorderColor);
     paint.setStrokeWidth(kTabBorderThickness * 2);
 
-    canvas->AsCanvasSkia()->sk_canvas()->drawPath(path, paint);
+    canvas->sk_canvas()->drawPath(path, paint);
   }
 
   void PaintTabTitle(gfx::Canvas* canvas, bool selected) {
@@ -162,8 +162,7 @@ class TabStrip : public View {
     paint.setStrokeWidth(kTabBorderThickness);
     SkScalar line_y = SkIntToScalar(height()) - kTabBorderThickness;
     SkScalar line_width = SkIntToScalar(width());
-    canvas->AsCanvasSkia()->sk_canvas()->drawLine(0, line_y, line_width, line_y,
-                                                  paint);
+    canvas->sk_canvas()->drawLine(0, line_y, line_width, line_y, paint);
   }
 
  private: