Add counters for <menuitem>.

third_party/WebKit/Source/core/html/HTMLMenuItemElement.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/html/HTMLMenuItemElement.h"
 
 #include "core/HTMLNames.h"
 #include "core/dom/ElementTraversal.h"
 #include "core/events/Event.h"
+#include "core/frame/UseCounter.h"
 
 namespace blink {
 
 using namespace HTMLNames;
 
 inline HTMLMenuItemElement::HTMLMenuItemElement(Document& document)
     : HTMLElement(HTMLNames::menuitemTag, document)
 {
+    UseCounter::count(document, UseCounter::MenuItemElement);
 }
 
 void HTMLMenuItemElement::defaultEventHandler(Event* event)
 {
     if (event->type() == EventTypeNames::click) {
         if (equalIgnoringCase(fastGetAttribute(typeAttr), "checkbox")) {
             if (fastHasAttribute(checkedAttr))
                 removeAttribute(checkedAttr);
             else
                 setAttribute(checkedAttr, "checked");
@@ skipping 10 matching lines @@
             }
             setAttribute(checkedAttr, "checked");
         }
         event->setDefaultHandled();
     }
 }
 
 DEFINE_NODE_FACTORY(HTMLMenuItemElement)
 
 } // namespace blink