Properly measure usage for Node attributes removed from DOM4

Source/core/dom/Attr.h

Index: Source/core/dom/Attr.h
diff --git a/Source/core/dom/Attr.h b/Source/core/dom/Attr.h
index 3673be224d131993ba6221c681f6fb1f02d4bd53..21b36857fd156c5afa7b561ae2e11502302995fe 100644
--- a/Source/core/dom/Attr.h
+++ b/Source/core/dom/Attr.h
@@ -63,6 +63,12 @@ public:
     void attachToElement(Element*);
     void detachFromElementWithValue(const AtomicString&);
 
+    virtual const AtomicString& localName() const OVERRIDE { return m_name.localName(); }
+    virtual const AtomicString& namespaceURI() const OVERRIDE { return m_name.namespaceURI(); }
+    virtual const AtomicString& prefix() const OVERRIDE { return m_name.prefix(); }
+
+    virtual void setPrefix(const AtomicString&, ExceptionState&) OVERRIDE;
+
 private:
     Attr(Element*, const QualifiedName&);
     Attr(Document*, const QualifiedName&, const AtomicString& value);
@@ -72,12 +78,6 @@ private:
     virtual String nodeName() const OVERRIDE { return name(); }
     virtual NodeType nodeType() const OVERRIDE { return ATTRIBUTE_NODE; }
 
-    virtual const AtomicString& localName() const OVERRIDE { return m_name.localName(); }
-    virtual const AtomicString& namespaceURI() const OVERRIDE { return m_name.namespaceURI(); }
-    virtual const AtomicString& prefix() const OVERRIDE { return m_name.prefix(); }
-
-    virtual void setPrefix(const AtomicString&, ExceptionState&);
-
     virtual String nodeValue() const OVERRIDE { return value(); }
     virtual void setNodeValue(const String&);
     virtual PassRefPtr<Node> cloneNode(bool deep = true);