remove memoryinstrumentation

Source/wtf/text/StringImpl.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google 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.
  *
@@ skipping 28 matching lines @@
 @class NSString;
 #endif
 
 namespace WTF {
 
 struct CStringTranslator;
 template<typename CharacterType> struct HashAndCharactersTranslator;
 struct HashAndUTF8CharactersTranslator;
 struct LCharBufferTranslator;
 struct CharBufferFromLiteralDataTranslator;
-class MemoryObjectInfo;
 struct SubstringTranslator;
 struct UCharBufferTranslator;
 template<typename> class RetainPtr;
 
 enum TextCaseSensitivity { TextCaseSensitive, TextCaseInsensitive };
 
 typedef bool (*CharacterMatchFunctionPtr)(UChar);
 typedef bool (*IsWhiteSpaceFunctionPtr)(UChar);
 
 // Define STRING_STATS to turn on run time statistics of string sizes and memory usage
@@ skipping 343 matching lines @@
             return adoptRef(new StringImpl(vector.releaseBuffer(), size));
         }
         return empty();
     }
 
     WTF_EXPORT_STRING_API static PassRefPtr<StringImpl> adopt(StringBuffer<UChar>&);
     WTF_EXPORT_STRING_API static PassRefPtr<StringImpl> adopt(StringBuffer<LChar>&);
 
     unsigned length() const { return m_length; }
     bool is8Bit() const { return m_hashAndFlags & s_hashFlag8BitBuffer; }
-    bool hasInternalBuffer() const { return bufferOwnership() == BufferInternal; }
-    bool hasOwnedBuffer() const { return bufferOwnership() == BufferOwned; }
-    StringImpl* baseString() const { return bufferOwnership() == BufferSubstring ? m_substringBuffer : 0; }
 
     // FIXME: Remove all unnecessary usages of characters()
     ALWAYS_INLINE const LChar* characters8() const { ASSERT(is8Bit()); return m_data8; }
     ALWAYS_INLINE const UChar* characters16() const { ASSERT(!is8Bit()); return m_data16; }
     ALWAYS_INLINE const UChar* characters() const
     {
         if (!is8Bit())
             return m_data16;
 
         return getData16SlowCase();
@@ skipping 249 matching lines @@
 #endif
 
 #ifdef STRING_STATS
     ALWAYS_INLINE static StringStats& stringStats() { return m_stringStats; }
 #endif
 
 private:
 
     bool isASCIILiteral() const
     {
-        return is8Bit() && hasInternalBuffer() && reinterpret_cast<const void*>(m_data8) != reinterpret_cast<const void*>(this + 1);
+        return is8Bit() && bufferOwnership() == BufferInternal && reinterpret_cast<const void*>(m_data8) != reinterpret_cast<const void*>(this + 1);
     }
 
     // This number must be at least 2 to avoid sharing empty, null as well as 1 character strings from SmallStrings.
     static const unsigned s_copyCharsInlineCutOff = 20;
 
     BufferOwnership bufferOwnership() const { return static_cast<BufferOwnership>(m_hashAndFlags & s_hashMaskBufferOwnership); }
     template <class UCharPredicate> PassRefPtr<StringImpl> stripMatchedCharacters(UCharPredicate);
     template <typename CharType, class UCharPredicate> PassRefPtr<StringImpl> simplifyMatchedCharactersToSpace(UCharPredicate);
     WTF_EXPORT_STRING_API NEVER_INLINE const UChar* getData16SlowCase() const;
     WTF_EXPORT_PRIVATE NEVER_INLINE unsigned hashSlowCase() const;
@@ skipping 491 matching lines @@
 }
 
 using WTF::StringImpl;
 using WTF::equal;
 using WTF::equalNonNull;
 using WTF::TextCaseSensitivity;
 using WTF::TextCaseSensitive;
 using WTF::TextCaseInsensitive;
 
 #endif