Remove WTF_ATTRIBUTE_PRINTF.

third_party/WebKit/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 27 matching lines @@
 class String;
 
 class WTF_EXPORT PrintStream {
   USING_FAST_MALLOC(PrintStream);
   WTF_MAKE_NONCOPYABLE(PrintStream);
 
  public:
   PrintStream();
   virtual ~PrintStream();
 
-  void printf(const char* format, ...) WTF_ATTRIBUTE_PRINTF(2, 3);
-  virtual void vprintf(const char* format, va_list)
-      WTF_ATTRIBUTE_PRINTF(2, 0) = 0;
+  PRINTF_FORMAT(2, 3) void printf(const char* format, ...);
+  PRINTF_FORMAT(2, 0) virtual void vprintf(const char* format, va_list) = 0;
 
   // Typically a no-op for many subclasses of PrintStream, this is a hint that
   // the implementation should flush its buffers if it had not done so already.
   virtual void flush();
 
   template <typename T>
   void print(const T& value) {
     printInternal(*this, value);
   }
 
@@ skipping 64 matching lines @@
 // as ASCII when you wanted it to print as a number.
 void dumpCharacter(PrintStream&, char);
 MAKE_PRINT_ADAPTOR(CharacterDump, char, dumpCharacter);
 
 }  // namespace WTF
 
 using WTF::CharacterDump;
 using WTF::PrintStream;
 
 #endif  // PrintStream_h