WTF: Put String::show()'s definition into the WTF namespace.

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.
  *
@@ skipping 408 matching lines @@
   }
 
   // Hash table deleted values, which are only constructed and never copied or
   // destroyed.
   String(WTF::HashTableDeletedValueType) : m_impl(WTF::HashTableDeletedValue) {}
   bool isHashTableDeletedValue() const {
     return m_impl.isHashTableDeletedValue();
   }
 
 #ifndef NDEBUG
+  // For use in the debugger.
   void show() const;
 #endif
 
  private:
   typedef struct ImplicitConversionFromWTFStringToBoolDisallowed*(
       String::*UnspecifiedBoolType);
   operator UnspecifiedBoolType() const;
 
   template <typename CharacterType>
   void appendInternal(CharacterType);
@@ skipping 158 matching lines @@
 using WTF::String;
 using WTF::emptyString;
 using WTF::emptyString16Bit;
 using WTF::charactersAreAllASCII;
 using WTF::equal;
 using WTF::find;
 using WTF::isSpaceOrNewline;
 
 #include "wtf/text/AtomicString.h"
 #endif  // WTFString_h