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

Source/core/dom/Element.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013 Apple Inc. All rights reserved.
  *           (C) 2007 Eric Seidel (eric@webkit.org)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 2588 matching lines @@
     return 0;
 }
 
 bool Element::webkitMatchesSelector(const String& selector, ExceptionState& es)
 {
     if (selector.isEmpty()) {
         es.throwUninformativeAndGenericDOMException(SyntaxError);
         return false;
     }
 
-    SelectorQuery* selectorQuery = document().selectorQueryCache()->add(selector, document(), es);
+    SelectorQuery* selectorQuery = document().selectorQueryCache().add(selector, document(), es);
     if (!selectorQuery)
         return false;
     return selectorQuery->matches(this);
 }
 
 DOMTokenList* Element::classList()
 {
     ElementRareData& rareData = ensureElementRareData();
     if (!rareData.classList())
         rareData.setClassList(ClassList::create(this));
@@ skipping 807 matching lines @@
     // Before doing so, we need to resolve issues in HTMLSelectElement::recalcListItems
     // and RenderMenuList::setText. See also https://bugs.webkit.org/show_bug.cgi?id=88405
     if (hasTagName(optionTag) || hasTagName(optgroupTag))
         return false;
     if (FullscreenElementStack::isActiveFullScreenElement(this))
         return false;
     return true;
 }
 
 } // namespace WebCore