Revert r156542 "Do not include "wtf/Platform.h" directly. "

Source/wtf/DataLog.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 DataLog_h
 #define DataLog_h
 
 #include <stdarg.h>
 #include <stdio.h>
 #include "wtf/FilePrintStream.h"
+#include "wtf/Platform.h"
 #include "wtf/StdLibExtras.h"
 
 namespace WTF {
 
 FilePrintStream& dataFile();
 
 void dataLogFV(const char* format, va_list) WTF_ATTRIBUTE_PRINTF(1, 0);
 void dataLogF(const char* format, ...) WTF_ATTRIBUTE_PRINTF(1, 2);
 void dataLogFString(const char*);
 
@@ skipping 76 matching lines @@
 }
 
 } // namespace WTF
 
 using WTF::dataLog;
 using WTF::dataLogF;
 using WTF::dataLogFString;
 
 #endif // DataLog_h