Simpler return value from HashTable::add()/HashMap::add() and others

Source/core/dom/SpaceSplitString.cpp

Index: Source/core/dom/SpaceSplitString.cpp
diff --git a/Source/core/dom/SpaceSplitString.cpp b/Source/core/dom/SpaceSplitString.cpp
index 268583ee2a17580365a2c1adf9452e6ccbe22f09..4bec8c0ea46543211ef7f04c26a4f8a0f323c512 100644
--- a/Source/core/dom/SpaceSplitString.cpp
+++ b/Source/core/dom/SpaceSplitString.cpp
@@ -175,7 +175,7 @@ SpaceSplitStringData::~SpaceSplitStringData()
 
 PassRefPtr<SpaceSplitStringData> SpaceSplitStringData::create(const AtomicString& string)
 {
-    SpaceSplitStringData*& data = sharedDataMap().add(string, 0).iterator->value;
+    SpaceSplitStringData*& data = sharedDataMap().add(string, 0).storedValue->value;
     if (!data) {
         data = new SpaceSplitStringData(string);
         return adoptRef(data);