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

Source/core/svg/SVGDocumentExtensions.cpp

 /*
  * Copyright (C) 2006 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2007 Rob Buis <buis@kde.org>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 135 matching lines @@
 void SVGDocumentExtensions::addPendingResource(const AtomicString& id, Element* element)
 {
     ASSERT(element);
     ASSERT(element->inDocument());
 
     if (id.isEmpty())
         return;
 
     HashMap<AtomicString, OwnPtr<SVGPendingElements> >::AddResult result = m_pendingResources.add(id, nullptr);
     if (result.isNewEntry)
-        result.iterator->value = adoptPtr(new SVGPendingElements);
-    result.iterator->value->add(element);
+        result.storedValue->value = adoptPtr(new SVGPendingElements);
+    result.storedValue->value->add(element);
 
     element->setHasPendingResources();
 }
 
 bool SVGDocumentExtensions::hasPendingResource(const AtomicString& id) const
 {
     if (id.isEmpty())
         return false;
 
     return m_pendingResources.contains(id);
@@ skipping 242 matching lines @@
 }
 
 void SVGDocumentExtensions::unregisterSVGFontFaceElement(SVGFontFaceElement* element)
 {
     ASSERT(m_svgFontFaceElements.contains(element));
     m_svgFontFaceElements.remove(element);
 }
 #endif
 
 }