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

Source/core/html/PublicURLManager.cpp

Index: Source/core/html/PublicURLManager.cpp
diff --git a/Source/core/html/PublicURLManager.cpp b/Source/core/html/PublicURLManager.cpp
index 09157de9df7ad8f906cb24ffd2b51e96549bdbba..ce41a3f8978e590e9a8263c74fe741d489a0ede3 100644
--- a/Source/core/html/PublicURLManager.cpp
+++ b/Source/core/html/PublicURLManager.cpp
@@ -51,7 +51,7 @@ void PublicURLManager::registerURL(SecurityOrigin* origin, const KURL& url, URLR
     if (m_isStopped)
         return;
 
-    RegistryURLMap::iterator found = m_registryToURL.add(&registrable->registry(), URLSet()).iterator;
+    RegistryURLMap::ValueType* found = m_registryToURL.add(&registrable->registry(), URLSet()).storedValue;
     found->key->registerURL(origin, url, registrable);
     found->value.add(url.string());
 }