Pass rootNode by reference when constructing node lists / collections

Source/core/html/HTMLAllCollection.h

Index: Source/core/html/HTMLAllCollection.h
diff --git a/Source/core/html/HTMLAllCollection.h b/Source/core/html/HTMLAllCollection.h
index 010a44bde762f833b0c53a1566899f80a5388f81..64aec845436350c7696e110c8a5fb7d178b0bcdd 100644
--- a/Source/core/html/HTMLAllCollection.h
+++ b/Source/core/html/HTMLAllCollection.h
@@ -32,14 +32,14 @@ namespace WebCore {
 
 class HTMLAllCollection FINAL : public HTMLCollection {
 public:
-    static PassRefPtr<HTMLAllCollection> create(ContainerNode*, CollectionType);
+    static PassRefPtr<HTMLAllCollection> create(ContainerNode&, CollectionType);
     virtual ~HTMLAllCollection();
 
     Element* namedItemWithIndex(const AtomicString& name, unsigned index) const;
     void namedGetter(const AtomicString& name, bool&, RefPtr<NodeList>&, bool&, RefPtr<Element>&);
 
 private:
-    HTMLAllCollection(ContainerNode*, CollectionType);
+    HTMLAllCollection(ContainerNode&, CollectionType);
 };
 
 } // namespace WebCore