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

Source/core/dom/Node.cpp

Index: Source/core/dom/Node.cpp
diff --git a/Source/core/dom/Node.cpp b/Source/core/dom/Node.cpp
index 445d1888d125c3798d7677b1f8c7e2b3ea0a4c14..2aa1b95b46f1c8606a24c16b46583d1e5f778b33 100644
--- a/Source/core/dom/Node.cpp
+++ b/Source/core/dom/Node.cpp
@@ -1242,7 +1242,7 @@ PassRefPtr<Element> Node::querySelector(const AtomicString& selectors, Exception
         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);
@@ -1255,7 +1255,7 @@ PassRefPtr<NodeList> Node::querySelectorAll(const AtomicString& selectors, Excep
         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);