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

ui/views/controls/table/table_view_views.h

 // 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 UI_VIEWS_CONTROLS_TABLE_TABLE_VIEW_VIEWS_H_
 #define UI_VIEWS_CONTROLS_TABLE_TABLE_VIEW_VIEWS_H_
 #pragma once
 
 #include <vector>
 
@@ skipping 104 matching lines @@
 
   // ui::TableModelObserver overrides:
   virtual void OnModelChanged() OVERRIDE;
   virtual void OnItemsChanged(int start, int length) OVERRIDE;
   virtual void OnItemsAdded(int start, int length) OVERRIDE;
   virtual void OnItemsRemoved(int start, int length) OVERRIDE;
 
  protected:
   // View overrides:
   virtual gfx::Point GetKeyboardContextMenuLocation() OVERRIDE;
-  virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
+  virtual void OnPaint(gfx::CanvasSkia* canvas) OVERRIDE;
   virtual void OnFocus() OVERRIDE;
   virtual void OnBlur() OVERRIDE;
 
  private:
   // Invoked when the number of rows changes in some way.
   void NumRowsChanged();
 
   // Returns the bounds of the specified row.
   gfx::Rect GetRowBounds(int row);
 
   ui::TableModel* model_;
 
   const TableTypes table_type_;
 
   TableViewObserver* table_view_observer_;
 
   int selected_row_;
 
   gfx::Font font_;
 
   int row_height_;
 
   DISALLOW_COPY_AND_ASSIGN(TableView);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_TABLE_TABLE_VIEW_VIEWS_H_