Remove a bunch of OS(MACOSX) code

sky/engine/platform/geometry/IntRect.h

Index: sky/engine/platform/geometry/IntRect.h
diff --git a/sky/engine/platform/geometry/IntRect.h b/sky/engine/platform/geometry/IntRect.h
index 2597c9a5949bf6f4caa46e992c96081646b9fdd4..6ee31aa288a61aa47708b7f406321b31c42e710e 100644
--- a/sky/engine/platform/geometry/IntRect.h
+++ b/sky/engine/platform/geometry/IntRect.h
@@ -31,14 +31,6 @@
 #include "wtf/Vector.h"
 #include "wtf/VectorTraits.h"
 
-#if OS(MACOSX)
-typedef struct CGRect CGRect;
-
-#ifdef __OBJC__
-#import <Foundation/Foundation.h>
-#endif
-#endif
-
 struct SkRect;
 struct SkIRect;
 
@@ -151,13 +143,6 @@ public:
 
     IntRect transposedRect() const { return IntRect(m_location.transposedPoint(), m_size.transposedSize()); }
 
-#if OS(MACOSX)
-    operator CGRect() const;
-#if defined(__OBJC__) && !defined(NSGEOMETRY_TYPES_SAME_AS_CGGEOMETRY_TYPES)
-    operator NSRect() const;
-#endif
-#endif
-
     operator SkRect() const;
     operator SkIRect() const;
 
@@ -197,13 +182,6 @@ inline bool operator!=(const IntRect& a, const IntRect& b)
     return a.location() != b.location() || a.size() != b.size();
 }
 
-#if OS(MACOSX)
-PLATFORM_EXPORT IntRect enclosingIntRect(const CGRect&);
-#if defined(__OBJC__) && !defined(NSGEOMETRY_TYPES_SAME_AS_CGGEOMETRY_TYPES)
-PLATFORM_EXPORT IntRect enclosingIntRect(const NSRect&);
-#endif
-#endif
-
 } // namespace blink
 
 WTF_ALLOW_MOVE_INIT_AND_COMPARE_WITH_MEM_FUNCTIONS(blink::IntRect);