Remove a bunch of OS(MACOSX) code

sky/engine/platform/geometry/FloatRect.h

Index: sky/engine/platform/geometry/FloatRect.h
diff --git a/sky/engine/platform/geometry/FloatRect.h b/sky/engine/platform/geometry/FloatRect.h
index 114f217bb7597959812a6f52d4891dbbfaec792f..a699015569fd6a376bcb08823848d88f5ba95389 100644
--- a/sky/engine/platform/geometry/FloatRect.h
+++ b/sky/engine/platform/geometry/FloatRect.h
@@ -31,14 +31,6 @@
 #include "third_party/skia/include/core/SkRect.h"
 #include "wtf/Vector.h"
 
-#if OS(MACOSX)
-typedef struct CGRect CGRect;
-
-#ifdef __OBJC__
-#import <Foundation/Foundation.h>
-#endif
-#endif
-
 namespace blink {
 
 class LayoutRect;
@@ -161,15 +153,6 @@ public:
     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(MACOSX)
-    FloatRect(const CGRect&);
-    operator CGRect() const;
-#if defined(__OBJC__) && !defined(NSGEOMETRY_TYPES_SAME_AS_CGGEOMETRY_TYPES)
-    FloatRect(const NSRect&);
-    operator NSRect() const;
-#endif
-#endif
-
     operator SkRect() const { return SkRect::MakeXYWH(x(), y(), width(), height()); }
 
 private: