Simpler return value of HashTable::add/HashMap:add and others

Source/wtf/text/AtomicString.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Patrick Gansterer <paroga@paroga.com>
  * Copyright (C) 2012 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 34 matching lines @@
         data.m_atomicStringTableDestructor = AtomicStringTable::destroy;
         data.m_atomicStringTable->addStaticStrings();
         return data.m_atomicStringTable;
     }
 
     StringImpl* addStringImpl(StringImpl* string)
     {
         if (!string->length())
             return StringImpl::empty();
 
-        StringImpl* result = *m_table.add(string).iterator;
+        StringImpl* result = *m_table.add(string).storedValue;
 
         if (!result->isAtomic())
             result->setIsAtomic(true);
 
         ASSERT(!string->isStatic() || result->isStatic());
         return result;
     }
 
     HashSet<StringImpl*>& table()
     {
@@ skipping 44 matching lines @@
     return atomicStringTable().table();
 }
 
 template<typename T, typename HashTranslator>
 static inline PassRefPtr<StringImpl> addToStringTable(const T& value)
 {
     HashSet<StringImpl*>::AddResult addResult = atomicStrings().add<HashTranslator>(value);
 
     // If the string is newly-translated, then we need to adopt it.
     // The boolean in the pair tells us if that is so.
-    return addResult.isNewEntry ? adoptRef(*addResult.iterator) : *addResult.iterator;
+    return addResult.isNewEntry ? adoptRef(*addResult.storedValue) : *addResult.storedValue;
 }
 
 struct CStringTranslator {
     static unsigned hash(const LChar* c)
     {
         return StringHasher::computeHashAndMaskTop8Bits(c);
     }
 
     static inline bool equal(StringImpl* r, const LChar* s)
     {
@@ skipping 395 matching lines @@
 }
 
 #ifndef NDEBUG
 void AtomicString::show() const
 {
     m_string.show();
 }
 #endif
 
 } // namespace WTF