Porting in chrome/views/

chrome/views/native_scroll_bar.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_NATIVE_SCROLLBAR_H__
 #define CHROME_VIEWS_NATIVE_SCROLLBAR_H__
 
+#include "build/build_config.h"
+
 #include "chrome/views/scroll_bar.h"
 
 namespace views {
 
 class HWNDView;
 class ScrollBarContainer;
 
 /////////////////////////////////////////////////////////////////////////////
 //
 // NativeScrollBar
@@ skipping 23 matching lines @@
   // Overridden from ScrollBar
   virtual void Update(int viewport_size, int content_size, int current_pos);
   virtual int GetLayoutSize() const;
   virtual int GetPosition() const;
 
   // Return the system sizes
   static int GetHorizontalScrollBarHeight();
   static int GetVerticalScrollBarWidth();
 
  private:
+#if defined(OS_WIN)
   // The sb_view_ takes care of keeping sb_container in sync with the
   // view hierarchy
   HWNDView* sb_view_;
+#endif  // defined(OS_WIN)
 
   // sb_container_ is a custom hwnd that we use to wrap the real
   // windows scrollbar. We need to do this to get the scroll events
   // without having to do anything special in the high level hwnd.
   ScrollBarContainer* sb_container_;
 };
 
 }  // namespace views
 
 #endif