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

Source/core/dom/Node.cpp

Index: Source/core/dom/Node.cpp
diff --git a/Source/core/dom/Node.cpp b/Source/core/dom/Node.cpp
index 6e05eb9896d7b5d18eaf9846f4b7a221340bfa72..aca59a4afa58d34bff2a3bea944423b84fd46f69 100644
--- a/Source/core/dom/Node.cpp
+++ b/Source/core/dom/Node.cpp
@@ -158,7 +158,7 @@ void Node::dumpStatistics()
                 Element* element = toElement(node);
                 HashMap<String, size_t>::AddResult result = perTagCount.add(element->tagName(), 1);
                 if (!result.isNewEntry)
-                    result.iterator->value++;
+                    result.storedValue->value++;
 
                 if (ElementData* elementData = element->elementData()) {
                     attributes += elementData->length();
@@ -2087,7 +2087,7 @@ static inline void collectMatchingObserversForMutation(HashMap<MutationObserver*
             MutationRecordDeliveryOptions deliveryOptions = registration.deliveryOptions();
             HashMap<MutationObserver*, MutationRecordDeliveryOptions>::AddResult result = observers.add(registration.observer(), deliveryOptions);
             if (!result.isNewEntry)
-                result.iterator->value |= deliveryOptions;
+                result.storedValue->value |= deliveryOptions;
         }
     }
 }