Use more const references in HTMLCollection / LiveNodeList

Source/core/dom/ChildNodeList.cpp

Index: Source/core/dom/ChildNodeList.cpp
diff --git a/Source/core/dom/ChildNodeList.cpp b/Source/core/dom/ChildNodeList.cpp
index 4144c04cbe57fb38c5504c498ba9b4d4830a0515..685fb915b34691358ae32634e23610c62a03375a 100644
--- a/Source/core/dom/ChildNodeList.cpp
+++ b/Source/core/dom/ChildNodeList.cpp
@@ -38,11 +38,11 @@ ChildNodeList::~ChildNodeList()
     ownerNode()->nodeLists()->removeChildNodeList(this);
 }
 
-bool ChildNodeList::nodeMatches(Element* testNode) const
+bool ChildNodeList::nodeMatches(const Element& testNode) const
 {
     // This function will be called only by LiveNodeList::namedItem,
     // for an element that was located with getElementById.
-    return testNode->parentNode() == rootNode();
+    return testNode.parentNode() == rootNode();
 }
 
 } // namespace WebCore