Remove WTF_ATTRIBUTE_PRINTF.

third_party/WebKit/Source/wtf/FilePrintStream.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 26 matching lines @@
   enum AdoptionMode { Adopt, Borrow };
 
   FilePrintStream(FILE*, AdoptionMode = Adopt);
   ~FilePrintStream() override;
 
   static std::unique_ptr<FilePrintStream> open(const char* filename,
                                                const char* mode);
 
   FILE* file() { return m_file; }
 
-  void vprintf(const char* format, va_list) override WTF_ATTRIBUTE_PRINTF(2, 0);
+  PRINTF_FORMAT(2, 0) void vprintf(const char* format, va_list) override;
   void flush() override;
 
  private:
   FILE* m_file;
   AdoptionMode m_adoptionMode;
 };
 
 }  // namespace WTF
 
 using WTF::FilePrintStream;
 
 #endif  // FilePrintStream_h