remove memoryinstrumentation

Source/wtf/text/AtomicString.h

 /*
  * Copyright (C) 2004, 2005, 2006, 2008 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
@@ skipping 17 matching lines @@
 // to disallow (expensive) implicit String-->AtomicString conversions.
 #ifdef NO_IMPLICIT_ATOMICSTRING
 #define ATOMICSTRING_CONVERSION explicit
 #else
 #define ATOMICSTRING_CONVERSION
 #endif
 
 namespace WTF {
 
 struct AtomicStringHash;
-class MemoryObjectInfo;
 
 class AtomicString {
 public:
     WTF_EXPORT_PRIVATE static void init();
 
     AtomicString() { }
     AtomicString(const LChar* s) : m_string(add(s)) { }
     AtomicString(const char* s) : m_string(add(s)) { }
     AtomicString(const LChar* s, unsigned length) : m_string(add(s, length)) { }
     AtomicString(const UChar* s, unsigned length) : m_string(add(s, length)) { }
@@ skipping 213 matching lines @@
 using WTF::textAtom;
 using WTF::commentAtom;
 using WTF::starAtom;
 using WTF::xmlAtom;
 using WTF::xmlnsAtom;
 using WTF::xlinkAtom;
 #endif
 
 #include <wtf/text/StringConcatenate.h>
 #endif // AtomicString_h