Remove WTF_ATTRIBUTE_PRINTF.

third_party/WebKit/Source/wtf/text/WTFString.h

 /*
  * (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013 Apple Inc.
  * All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #ifndef WTFString_h
 #define WTFString_h
 
 // This file would be called String.h, but that conflicts with <string.h>
 // on systems without case-sensitive file systems.
 
 #include "wtf/Allocator.h"
+#include "wtf/Compiler.h"
 #include "wtf/HashTableDeletedValueType.h"
 #include "wtf/WTFExport.h"
 #include "wtf/text/ASCIIFastPath.h"
 #include "wtf/text/StringImpl.h"
 #include "wtf/text/StringView.h"
 #include <algorithm>
 #include <iosfwd>
 
 #ifdef __OBJC__
 #include <objc/objc.h>
@@ skipping 258 matching lines @@
   String simplifyWhiteSpace(IsWhiteSpaceFunctionPtr,
                             StripBehavior = StripExtraWhiteSpace) const;
 
   String removeCharacters(CharacterMatchFunctionPtr) const;
   template <bool isSpecialCharacter(UChar)>
   bool isAllSpecialCharacters() const;
 
   // Return the string with case folded for case insensitive comparison.
   String foldCase() const;
 
-  static String format(const char*, ...) WTF_ATTRIBUTE_PRINTF(1, 2);
+  PRINTF_FORMAT(1, 2) static String format(const char*, ...);
 
   // Returns an uninitialized string. The characters needs to be written
   // into the buffer returned in data before the returned string is used.
   // Failure to do this will have unpredictable results.
   static String createUninitialized(unsigned length, UChar*& data) {
     return StringImpl::createUninitialized(length, data);
   }
   static String createUninitialized(unsigned length, LChar*& data) {
     return StringImpl::createUninitialized(length, data);
   }
@@ skipping 333 matching lines @@
 using WTF::emptyString;
 using WTF::emptyString16Bit;
 using WTF::charactersAreAllASCII;
 using WTF::equal;
 using WTF::find;
 using WTF::isAllSpecialCharacters;
 using WTF::isSpaceOrNewline;
 
 #include "wtf/text/AtomicString.h"
 #endif  // WTFString_h