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

Source/core/dom/Element.cpp

Index: Source/core/dom/Element.cpp
diff --git a/Source/core/dom/Element.cpp b/Source/core/dom/Element.cpp
index 08dc5674e21d185f3e7e011755e26bf53473c8b6..f06a9b6859179c198baf53422c98ad091bbb39fa 100644
--- a/Source/core/dom/Element.cpp
+++ b/Source/core/dom/Element.cpp
@@ -2606,7 +2606,7 @@ bool Element::webkitMatchesSelector(const String& selector, ExceptionState& es)
         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);