Remove a bunch of OS(MACOSX) code

sky/engine/platform/geometry/FloatSize.h

 /*
  * Copyright (C) 2003, 2006 Apple Computer, Inc.  All rights reserved.
  * Copyright (C) 2005 Nokia.  All rights reserved.
  *               2008 Eric Seidel <eric@webkit.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 13 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef FloatSize_h
 #define FloatSize_h
 
 #include "platform/geometry/IntPoint.h"
 #include "wtf/MathExtras.h"
 
-#if OS(MACOSX)
-typedef struct CGSize CGSize;
-
-#ifdef __OBJC__
-#import <Foundation/Foundation.h>
-#endif
-#endif
-
 namespace blink {
 
 class IntSize;
 class LayoutSize;
 
 class PLATFORM_EXPORT FloatSize {
 public:
     FloatSize() : m_width(0), m_height(0) { }
     FloatSize(float width, float height) : m_width(width), m_height(height) { }
     FloatSize(const IntSize& size) : m_width(size.width()), m_height(size.height()) { }
@@ skipping 53 matching lines @@
     FloatSize scaledBy(float scale) const
     {
         return scaledBy(scale, scale);
     }
 
     FloatSize scaledBy(float scaleX, float scaleY) const
     {
         return FloatSize(m_width * scaleX, m_height * scaleY);
     }
 
-#if OS(MACOSX)
-    explicit FloatSize(const CGSize&); // don't do this implicitly since it's lossy
-    operator CGSize() const;
-#if defined(__OBJC__) && !defined(NSGEOMETRY_TYPES_SAME_AS_CGGEOMETRY_TYPES)
-    explicit FloatSize(const NSSize &); // don't do this implicitly since it's lossy
-    operator NSSize() const;
-#endif
-#endif
-
 private:
     float m_width, m_height;
 };
 
 inline FloatSize& operator+=(FloatSize& a, const FloatSize& b)
 {
     a.setWidth(a.width() + b.width());
     a.setHeight(a.height() + b.height());
     return a;
 }
@@ skipping 56 matching lines @@
 }
 
 inline IntPoint flooredIntPoint(const FloatSize& p)
 {
     return IntPoint(clampToInteger(floorf(p.width())), clampToInteger(floorf(p.height())));
 }
 
 } // namespace blink
 
 #endif // FloatSize_h