Have Document::mediaQueryMatcher() / Document::selectorQueryCache() return references

Source/core/dom/Node.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 1224 matching lines @@
     return ensureRareData().ensureNodeLists().addCacheWithAtomicName<RadioNodeList>(this, RadioNodeListType, name);
 }
 
 PassRefPtr<Element> Node::querySelector(const AtomicString& selectors, ExceptionState& es)
 {
     if (selectors.isEmpty()) {
         es.throwDOMException(SyntaxError, ExceptionMessages::failedToExecute("querySelector", "Node", "The provided selector is empty."));
         return 0;
     }
 
-    SelectorQuery* selectorQuery = document().selectorQueryCache()->add(selectors, document(), es);
+    SelectorQuery* selectorQuery = document().selectorQueryCache().add(selectors, document(), es);
     if (!selectorQuery)
         return 0;
     return selectorQuery->queryFirst(this);
 }
 
 PassRefPtr<NodeList> Node::querySelectorAll(const AtomicString& selectors, ExceptionState& es)
 {
     if (selectors.isEmpty()) {
         es.throwDOMException(SyntaxError, ExceptionMessages::failedToExecute("querySelectorAll", "Node", "The provided selector is empty."));
         return 0;
     }
 
-    SelectorQuery* selectorQuery = document().selectorQueryCache()->add(selectors, document(), es);
+    SelectorQuery* selectorQuery = document().selectorQueryCache().add(selectors, document(), es);
     if (!selectorQuery)
         return 0;
     return selectorQuery->queryAll(this);
 }
 
 Document* Node::ownerDocument() const
 {
     Document* doc = &document();
     return doc == this ? 0 : doc;
 }
@@ skipping 1357 matching lines @@
         node->showTreeForThis();
 }
 
 void showNodePath(const WebCore::Node* node)
 {
     if (node)
         node->showNodePathForThis();
 }
 
 #endif