Bindings: Add ScalarValueString support

Source/wtf/text/WTFString.cpp

 /*
  * (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2007-2009 Torch Mobile, Inc.
  *
  * 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 417 matching lines @@
         return false;
 
     if (m_impl->is8Bit())
         result = charactersToIntStrict(m_impl->characters8(), m_impl->length() - 1);
     else
         result = charactersToIntStrict(m_impl->characters16(), m_impl->length() - 1);
 
     return true;
 }
 
+String String::toScalarValueString() const
+{
+    if (!m_impl)
+        return String();
+    return m_impl->replaceUnpairedSurrogates();
+}
+
 Vector<UChar> String::charactersWithNullTermination() const
 {
     if (!m_impl)
         return Vector<UChar>();
 
     Vector<UChar> result;
     result.reserveInitialCapacity(length() + 1);
     appendTo(result);
     result.append(0);
     return result;
@@ skipping 818 matching lines @@
     buffer.append('\0');
     return buffer;
 }
 
 Vector<char> asciiDebug(String& string)
 {
     return asciiDebug(string.impl());
 }
 
 #endif