Convert GetPreferredSize from:...

chrome/views/checkbox.h

 // Copyright (c) 2006-2008 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_VIEWS_CHECKBOX_H__
 #define CHROME_VIEWS_CHECKBOX_H__
 
 #include "base/gfx/rect.h"
 #include "chrome/views/native_button.h"
 
@@ skipping 28 matching lines @@
 
   // Returns the x position of the text. This can also be used to indent
   // subsequent dependent controls.
   static int GetTextIndent();
 
   virtual void SetIsSelected(bool f);
   bool IsSelected() const;
 
   virtual std::string GetClassName() const;
 
-  virtual void GetPreferredSize(CSize *out);
+  virtual gfx::Size GetPreferredSize();
   virtual void Layout();
 
   virtual bool OnMousePressed(const MouseEvent& event);
   virtual bool OnMouseDragged(const MouseEvent& event);
   virtual void OnMouseReleased(const MouseEvent& event, bool canceled);
   virtual void OnMouseEntered(const MouseEvent& event);
   virtual void OnMouseMoved(const MouseEvent& event);
   virtual void OnMouseExited(const MouseEvent& event);
 
   virtual void Paint(ChromeCanvas* canvas);
@@ skipping 16 matching lines @@
 
   bool is_selected_;
 
 
   DISALLOW_EVIL_CONSTRUCTORS(CheckBox);
 };
 }
 
 #endif  // CHROME_VIEWS_NATIVE_CHECKBOX_H__