Add counters for add/removeEventListener() called with one argument

Source/core/events/EventTarget.h

Index: Source/core/events/EventTarget.h
diff --git a/Source/core/events/EventTarget.h b/Source/core/events/EventTarget.h
index 04c803c4ce1befd0c23ad5ea2979d330905290ef..f1f63ad90610f943bf97ca9e5c9e5a91341b8ce1 100644
--- a/Source/core/events/EventTarget.h
+++ b/Source/core/events/EventTarget.h
@@ -122,13 +122,8 @@ public:
     virtual LocalDOMWindow* toDOMWindow();
     virtual MessagePort* toMessagePort();
 
-    // FIXME: first 2 args to addEventListener and removeEventListener should
-    // be required (per spec), but throwing TypeError breaks legacy content.
-    // http://crbug.com/353484
-    bool addEventListener();
-    virtual bool addEventListener(const AtomicString& eventType, PassRefPtr<EventListener>, bool useCapture = false);
-    bool removeEventListener();
-    virtual bool removeEventListener(const AtomicString& eventType, PassRefPtr<EventListener>, bool useCapture = false);
+    virtual bool addEventListener(const AtomicString& eventType, PassRefPtr<EventListener>, bool useCapture);
+    virtual bool removeEventListener(const AtomicString& eventType, PassRefPtr<EventListener>, bool useCapture);
     virtual void removeAllEventListeners();
     virtual bool dispatchEvent(PassRefPtrWillBeRawPtr<Event>);
     bool dispatchEvent(PassRefPtrWillBeRawPtr<Event>, ExceptionState&); // DOM API