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

chrome/browser/ui/views/tabs/base_tab.h

-// 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_TABS_BASE_TAB_H_
 #define CHROME_BROWSER_UI_VIEWS_TABS_BASE_TAB_H_
 #pragma once
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/ui/views/tabs/tab_renderer_data.h"
@@ skipping 98 matching lines @@
   ui::ThrobAnimation* pulse_animation() const { return pulse_animation_.get(); }
 
   // Returns the hover controller.
   views::GlowHoverController& hover_controller() {
     return hover_controller_;
   }
 
   views::ImageButton* close_button() const { return close_button_; }
 
   // Paints the icon at the specified coordinates, mirrored for RTL if needed.
-  void PaintIcon(gfx::Canvas* canvas);
-  void PaintTitle(gfx::Canvas* canvas, SkColor title_color);
+  void PaintIcon(gfx::CanvasSkia* canvas);
+  void PaintTitle(gfx::CanvasSkia* canvas, SkColor title_color);
 
   // Overridden from AnimationDelegate:
   virtual void AnimationProgressed(const ui::Animation* animation) OVERRIDE;
   virtual void AnimationCanceled(const ui::Animation* animation) OVERRIDE;
   virtual void AnimationEnded(const ui::Animation* animation) OVERRIDE;
 
   // Overridden from views::ButtonListener:
   virtual void ButtonPressed(views::Button* sender,
                              const views::Event& event) OVERRIDE;
 
@@ skipping 76 matching lines @@
 
   views::GlowHoverController hover_controller_;
 
   static gfx::Font* font_;
   static int font_height_;
 
   DISALLOW_COPY_AND_ASSIGN(BaseTab);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TABS_BASE_TAB_H_