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

Source/wtf/RefPtrHashMap.h

 /*
  * Copyright (C) 2005, 2006, 2007, 2008, 2011 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 199 matching lines @@
         return m_impl.template add<Translator>(key, mapped);
     }
 
     template<typename T, typename U, typename V, typename W, typename X>
     typename HashMap<RefPtr<T>, U, V, W, X, DefaultAllocator>::AddResult
     HashMap<RefPtr<T>, U, V, W, X, DefaultAllocator>::set(const KeyType& key, MappedPassInType mapped)
     {
         AddResult result = inlineAdd(key, mapped);
         if (!result.isNewEntry) {
             // The inlineAdd call above found an existing hash table entry; we need to set the mapped value.
-            MappedTraits::store(mapped, result.iterator->value);
+            MappedTraits::store(mapped, result.storedValue->value);
         }
         return result;
     }
 
     template<typename T, typename U, typename V, typename W, typename X>
     typename HashMap<RefPtr<T>, U, V, W, X, DefaultAllocator>::AddResult
     HashMap<RefPtr<T>, U, V, W, X, DefaultAllocator>::set(RawKeyType key, MappedPassInType mapped)
     {
         AddResult result = inlineAdd(key, mapped);
         if (!result.isNewEntry) {
             // The inlineAdd call above found an existing hash table entry; we need to set the mapped value.
-            MappedTraits::store(mapped, result.iterator->value);
+            MappedTraits::store(mapped, result.storedValue->value);
         }
         return result;
     }
 
     template<typename T, typename U, typename V, typename W, typename X>
     typename HashMap<RefPtr<T>, U, V, W, X, DefaultAllocator>::AddResult
     HashMap<RefPtr<T>, U, V, W, X, DefaultAllocator>::add(const KeyType& key, MappedPassInType mapped)
     {
         return inlineAdd(key, mapped);
     }
@@ skipping 78 matching lines @@
         if (it == end())
             return MappedTraits::passOut(MappedTraits::emptyValue());
         MappedPassOutType result = MappedTraits::passOut(it->value);
         remove(it);
         return result;
     }
 
 } // namespace WTF
 
 #endif // RefPtrHashMap_h