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

Source/core/dom/ExecutionContext.cpp

Index: Source/core/dom/ExecutionContext.cpp
diff --git a/Source/core/dom/ExecutionContext.cpp b/Source/core/dom/ExecutionContext.cpp
index 1f62b74cfefab35550239d039c4f77f1217c23b5..0740d826d5ea207888560c59f715a0698e18a80a 100644
--- a/Source/core/dom/ExecutionContext.cpp
+++ b/Source/core/dom/ExecutionContext.cpp
@@ -199,7 +199,7 @@ int ExecutionContext::installNewTimeout(PassOwnPtr<ScheduledAction> action, int
     }
     TimeoutMap::AddResult result = m_timeouts.add(timeoutID, DOMTimer::create(this, action, timeout, singleShot, timeoutID));
     ASSERT(result.isNewEntry);
-    DOMTimer* timer = result.iterator->value.get();
+    DOMTimer* timer = result.storedValue->value.get();
 
     timer->suspendIfNeeded();