Measure usage for Element methods removed from DOM4

Source/core/dom/Element.idl

Index: Source/core/dom/Element.idl
diff --git a/Source/core/dom/Element.idl b/Source/core/dom/Element.idl
index 0137af97e908ffbcbb0aec2143830abe76fde417..722419705919c084343430276033b3375b187075 100644
--- a/Source/core/dom/Element.idl
+++ b/Source/core/dom/Element.idl
@@ -30,9 +30,9 @@
     [RaisesException, CustomElementCallbacks=Enable] void setAttribute([Default=Undefined] optional DOMString name,
                                      [Default=Undefined] optional DOMString value);
     [CustomElementCallbacks=Enable] void removeAttribute([Default=Undefined] optional DOMString name);
-    Attr getAttributeNode([Default=Undefined] optional DOMString name);
-    [RaisesException, CustomElementCallbacks=Enable] Attr setAttributeNode([Default=Undefined, StrictTypeChecking] optional Attr newAttr);
-    [RaisesException, CustomElementCallbacks=Enable] Attr removeAttributeNode([Default=Undefined, StrictTypeChecking] optional Attr oldAttr);
+    [MeasureAs=ElementGetAttributeNode] Attr getAttributeNode([Default=Undefined] optional DOMString name); // Removed from DOM4.
+    [RaisesException, CustomElementCallbacks=Enable, MeasureAs=ElementSetAttributeNode] Attr setAttributeNode([Default=Undefined, StrictTypeChecking] optional Attr newAttr); // Removed from DOM4.
+    [RaisesException, CustomElementCallbacks=Enable, MeasureAs=ElementRemoveAttributeNode] Attr removeAttributeNode([Default=Undefined, StrictTypeChecking] optional Attr oldAttr); // Removed from DOM4.
     [PerWorldBindings] NodeList getElementsByTagName([Default=Undefined] optional DOMString name);
 
     // For ObjC this is defined on Node for legacy support.
@@ -50,8 +50,8 @@
                                           DOMString localName);
      NodeList getElementsByTagNameNS([TreatNullAs=NullString,Default=Undefined] optional DOMString namespaceURI,
                                                    [Default=Undefined] optional DOMString localName);
-     Attr getAttributeNodeNS([TreatNullAs=NullString,Default=Undefined] optional DOMString namespaceURI,
-                                           [Default=Undefined] optional DOMString localName);
+     [MeasureAs=ElementGetAttributeNodeNS] Attr getAttributeNodeNS([TreatNullAs=NullString,Default=Undefined] optional DOMString namespaceURI,
+                                                                   [Default=Undefined] optional DOMString localName); // Removed from DOM4.
     [RaisesException, CustomElementCallbacks=Enable] Attr setAttributeNodeNS([Default=Undefined, StrictTypeChecking] optional Attr newAttr);
     boolean hasAttribute(DOMString name);
      boolean hasAttributeNS([TreatNullAs=NullString,Default=Undefined] optional DOMString namespaceURI,