Rename OS(DARWIN) to OS(MACOSX).

Source/core/platform/graphics/FloatRect.h

 /*
  * Copyright (C) 2003, 2006, 2007 Apple Inc.  All rights reserved.
  * Copyright (C) 2005 Nokia.  All rights reserved.
  *
  * 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.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 12 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 FloatRect_h
 #define FloatRect_h
 
 #include "core/platform/graphics/FloatPoint.h"
 #include "wtf/Vector.h"
 
-#if OS(DARWIN)
+#if OS(MACOSX)
 typedef struct CGRect CGRect;
 #ifdef NSGEOMETRY_TYPES_SAME_AS_CGGEOMETRY_TYPES
 typedef struct CGRect NSRect;
 #else
 typedef struct _NSRect NSRect;
 #endif
 #endif
 
 struct SkRect;
 
@@ skipping 109 matching lines @@
     void scale(float s) { scale(s, s); }
     void scale(float sx, float sy);
 
     FloatRect transposedRect() const { return FloatRect(m_location.transposedPoint(), m_size.transposedSize()); }
 
     // Re-initializes this rectangle to fit the sets of passed points.
     void fitToPoints(const FloatPoint& p0, const FloatPoint& p1);
     void fitToPoints(const FloatPoint& p0, const FloatPoint& p1, const FloatPoint& p2);
     void fitToPoints(const FloatPoint& p0, const FloatPoint& p1, const FloatPoint& p2, const FloatPoint& p3);
 
-#if OS(DARWIN)
+#if OS(MACOSX)
     FloatRect(const CGRect&);
     operator CGRect() const;
 #if !defined(NSGEOMETRY_TYPES_SAME_AS_CGGEOMETRY_TYPES)
     FloatRect(const NSRect&);
     operator NSRect() const;
 #endif
 #endif
 
     operator SkRect() const;
 
@@ skipping 56 matching lines @@
 IntRect enclosedIntRect(const FloatRect&);
 
 IntRect roundedIntRect(const FloatRect&);
 
 // Map rect r from srcRect to an equivalent rect in destRect.
 FloatRect mapRect(const FloatRect& r, const FloatRect& srcRect, const FloatRect& destRect);
 
 }
 
 #endif