Convert GetPreferredSize from:...

chrome/views/grid_layout.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_GRID_LAYOUT_H__
 #define CHROME_VIEWS_GRID_LAYOUT_H__
 
 #include <string>
 #include <vector>
 
@@ skipping 147 matching lines @@
   // Notification that a view has been added.
   virtual void ViewAdded(View* host, View* view);
 
   // Notification that a view has been removed.
   virtual void ViewRemoved(View* host, View* view);
 
   // Layouts out the components.
   virtual void Layout(View* host);
 
   // Returns the preferred size for the GridLayout.
-  virtual void GetPreferredSize(View* host, CSize* out);
+  virtual gfx::Size GetPreferredSize(View* host);
 
   virtual int GetPreferredHeightForWidth(View* host, int width);
 
  private:
   // As both Layout and GetPreferredSize need to do nearly the same thing,
   // they both call into this method. This sizes the Columns/Rows as
   // appropriate. If layout is true, width/height give the width/height the
   // of the host, otherwise they are ignored.
   void SizeRowsAndColumns(bool layout, int width, int height, CSize* pref);
 
@@ skipping 166 matching lines @@
   // for a description of what the master column is.
   std::vector<Column*> master_columns_;
 
   DISALLOW_EVIL_CONSTRUCTORS(ColumnSet);
 };
 
 } // namespace
 
 #endif // CHROME_VIEWS_GRID_LAYOUT_H__