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

chrome/browser/ui/views/infobars/infobar_view.cc

 // 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.
 
 #include "chrome/browser/ui/views/infobars/infobar_view.h"
 
 #if defined(OS_WIN)
 #include <shellapi.h>
 #endif
 
@@ skipping 231 matching lines @@
   }
 }
 
 void InfoBarView::PaintChildren(gfx::Canvas* canvas) {
   canvas->Save();
 
   // TODO(scr): This really should be the |fill_path_|, but the clipPath seems
   // broken on non-Windows platforms (crbug.com/75154). For now, just clip to
   // the bar bounds.
   //
-  // gfx::CanvasSkia* canvas_skia = canvas->AsCanvasSkia();
-  // canvas_skia->clipPath(fill_path_);
+  // canvas->clipPath(fill_path_);
   DCHECK_EQ(total_height(), height())
       << "Infobar piecewise heights do not match overall height";
   canvas->ClipRect(gfx::Rect(0, arrow_height(), width(), bar_height()));
   views::View::PaintChildren(canvas);
   canvas->Restore();
 }
 
 void InfoBarView::ButtonPressed(views::Button* sender,
                                 const views::Event& event) {
   if (!owned())
@@ skipping 111 matching lines @@
   // infobar.
   if (focused_before && focused_now && !Contains(focused_before) &&
       Contains(focused_now) && GetWidget()) {
     GetWidget()->NotifyAccessibilityEvent(
         this, ui::AccessibilityTypes::EVENT_ALERT, true);
   }
 }
 
 void InfoBarView::OnDidChangeFocus(View* focused_before, View* focused_now) {
 }