Do not include "wtf/Platform.h" directly

Source/wtf/PrintStream.h

 /*
  * Copyright (C) 2012 Apple Inc. 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 11 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 PrintStream_h
 #define PrintStream_h
 
 #include <stdarg.h>
 #include "wtf/FastAllocBase.h"
 #include "wtf/Noncopyable.h"
-#include "wtf/Platform.h"
 #include "wtf/StdLibExtras.h"
 
 namespace WTF {
 
 class CString;
 class String;
 
 class PrintStream {
     WTF_MAKE_FAST_ALLOCATED; WTF_MAKE_NONCOPYABLE(PrintStream);
 public:
@@ skipping 250 matching lines @@
 
 } // namespace WTF
 
 using WTF::CharacterDump;
 using WTF::PointerDump;
 using WTF::PrintStream;
 using WTF::pointerDump;
 
 #endif // PrintStream_h