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

Source/core/fetch/ResourceLoadPriorityOptimizer.cpp

Index: Source/core/fetch/ResourceLoadPriorityOptimizer.cpp
diff --git a/Source/core/fetch/ResourceLoadPriorityOptimizer.cpp b/Source/core/fetch/ResourceLoadPriorityOptimizer.cpp
index 40a6f56ab672ae8e99651265e4f1d5084798e74e..625a999518631c86e4e8895936073c04fb48cad7 100644
--- a/Source/core/fetch/ResourceLoadPriorityOptimizer.cpp
+++ b/Source/core/fetch/ResourceLoadPriorityOptimizer.cpp
@@ -113,7 +113,7 @@ void ResourceLoadPriorityOptimizer::notifyImageResourceVisibility(ImageResource*
 
     ImageResourceMap::AddResult result = m_imageResources.add(img->identifier(), adoptPtr(new ResourceAndVisibility(img, status)));
     if (!result.isNewEntry && status == Visible)
-        result.iterator->value->status = status;
+        result.storedValue->value->status = status;
 }
 
 }