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

chrome/browser/ui/views/location_bar/location_bar_view.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 CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_LOCATION_BAR_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_LOCATION_BAR_VIEW_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 159 matching lines @@
 
   // Returns true if the location entry is focusable and visible in
   // the root view.
   bool IsLocationEntryFocusableInRootView() const;
 
   // Sizing functions
   virtual gfx::Size GetPreferredSize() OVERRIDE;
 
   // Layout and Painting functions
   virtual void Layout() OVERRIDE;
-  virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
+  virtual void OnPaint(gfx::CanvasSkia* canvas) OVERRIDE;
 
   // No focus border for the location bar, the caret is enough.
-  virtual void OnPaintFocusBorder(gfx::Canvas* canvas) OVERRIDE { }
+  virtual void OnPaintFocusBorder(gfx::CanvasSkia* canvas) OVERRIDE {}
 
   // Set if we should show a focus rect while the location entry field is
   // focused. Used when the toolbar is in full keyboard accessibility mode.
   // Repaints if necessary.
   virtual void SetShowFocusRect(bool show);
 
   // Select all of the text. Needed when the user tabs through controls
   // in the toolbar in full keyboard accessibility mode.
   virtual void SelectAll();
 
@@ skipping 232 matching lines @@
   // While animating, the host clips the widget and draws only the bottom
   // part of it. The view needs to know the pixel offset at which we are drawing
   // the widget so that we can draw the curved edges that attach to the toolbar
   // in the right location.
   int animation_offset_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(LocationBarView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_LOCATION_BAR_VIEW_H_