Add UseCounters for NamedNodeMap functions

This is in order to help determine which of these need to be kept in the
DOM spec, since it looks like some of them will be needed:
https://www.w3.org/Bugs/Public/show_bug.cgi?id=21986

BUG=none
NOTRY=true

Review URL: https://codereview.chromium.org/211363003

git-svn-id: svn://svn.chromium.org/blink/trunk@169969 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/core/dom/NamedNodeMap.idl

@@ -22,28 +22,27 @@
     SetWrapperReferenceFrom=element,
 ] interface NamedNodeMap {
 
-    Node getNamedItem([Default=Undefined] optional DOMString name);
+    [MeasureAs=NamedNodeMapGetNamedItem] Node getNamedItem([Default=Undefined] optional DOMString name);
     [NotEnumerable, ImplementedAs=getNamedItem] getter Node ([Default=Undefined] optional DOMString name);
 
-    [RaisesException, CustomElementCallbacks] Node setNamedItem([Default=Undefined] optional Node node);
+    [RaisesException, CustomElementCallbacks, MeasureAs=NamedNodeMapSetNamedItem] Node setNamedItem([Default=Undefined] optional Node node);
 
-    [RaisesException, CustomElementCallbacks] Node removeNamedItem([Default=Undefined] optional DOMString name);
+    [RaisesException, CustomElementCallbacks, MeasureAs=NamedNodeMapRemoveNamedItem] Node removeNamedItem([Default=Undefined] optional DOMString name);
 
-    getter Node item([Default=Undefined] optional unsigned long index);
+    [MeasureAs=NamedNodeMapItem] getter Node item([Default=Undefined] optional unsigned long index);
 
     readonly attribute unsigned long length;
 
 
     // Introduced in DOM Level 2:
 
-    // FIXME: the implementation does take an exceptioncode parameter.
-    /*[RaisesException]*/ Node getNamedItemNS([TreatNullAs=NullString,Default=Undefined] optional DOMString namespaceURI,
-                                              [Default=Undefined] optional DOMString localName);
+    [MeasureAs=NamedNodeMapGetNamedItemNS] Node getNamedItemNS([TreatNullAs=NullString, Default=Undefined] optional DOMString namespaceURI,
+                                                               [Default=Undefined] optional DOMString localName);
 
-    [RaisesException, CustomElementCallbacks] Node setNamedItemNS([Default=Undefined] optional Node node);
+    [RaisesException, CustomElementCallbacks, MeasureAs=NamedNodeMapSetNamedItemNS] Node setNamedItemNS([Default=Undefined] optional Node node);
 
-    [RaisesException, CustomElementCallbacks] Node removeNamedItemNS([TreatNullAs=NullString,Default=Undefined] optional DOMString namespaceURI,
-                                          [Default=Undefined] optional DOMString localName);
+    [RaisesException, CustomElementCallbacks, MeasureAs=NamedNodeMapRemoveNamedItemNS] Node removeNamedItemNS([TreatNullAs=NullString, Default=Undefined] optional DOMString namespaceURI,
+                                                                                                              [Default=Undefined] optional DOMString localName);
 
 };
 

third_party/WebKit/Source/core/frame/UseCounter.h

@@ -320,6 +320,13 @@ public:
         AttrSetValueWithElement = 303,
         PrefixedCancelAnimationFrame = 304,
         PrefixedCancelRequestAnimationFrame = 305,
+        NamedNodeMapGetNamedItem = 306,
+        NamedNodeMapSetNamedItem = 307,
+        NamedNodeMapRemoveNamedItem = 308,
+        NamedNodeMapItem = 309,
+        NamedNodeMapGetNamedItemNS = 310,
+        NamedNodeMapSetNamedItemNS = 311,
+        NamedNodeMapRemoveNamedItemNS = 312,
         // Add new features immediately above this line. Don't change assigned
         // numbers of any item, and don't reuse removed slots.
         NumberOfFeatures, // This enum value must be last.