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

Source/bindings/v8/NPV8Object.cpp

Index: Source/bindings/v8/NPV8Object.cpp
diff --git a/Source/bindings/v8/NPV8Object.cpp b/Source/bindings/v8/NPV8Object.cpp
index 8ddda10981464e2c475cc98fbea51195bb361856..f6090c01948482f4fc38e3d414146000d6e34dc1 100644
--- a/Source/bindings/v8/NPV8Object.cpp
+++ b/Source/bindings/v8/NPV8Object.cpp
@@ -141,10 +141,10 @@ NPObject* npCreateV8ScriptObject(NPP npp, v8::Handle<v8::Object> object, DOMWind
                     return reinterpret_cast<NPObject*>(v8npObject);
                 }
             }
+            objectVector = &iter->value;
         } else {
-            iter = v8NPObjectMap->set(v8ObjectHash, V8NPObjectVector()).iterator;
+            objectVector = &v8NPObjectMap->set(v8ObjectHash, V8NPObjectVector()).storedValue->value;
         }
-        objectVector = &iter->value;
     }
 
     V8NPObject* v8npObject = reinterpret_cast<V8NPObject*>(_NPN_CreateObject(npp, &V8NPObjectClass));