Usecounter added for counting usage of addEventListener for PointerEvents.

third_party/WebKit/Source/core/events/EventUtil.h

 // Copyright 2016 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.
 
-#ifndef URLConversion_h
-#define URLConversion_h
+#ifndef EventUtil_h
+#define EventUtil_h
 
-#include "WebCommon.h"
-
-class GURL;
+#include "core/EventTypeNames.h"
 
 namespace blink {
 
-class WebString;
+namespace EventUtil {
 
-BLINK_COMMON_EXPORT GURL WebStringToGURL(const WebString&);
+bool isPointerEventType(const AtomicString& eventType);
+
+} // namespace eventUtil
 
 } // namespace blink
 
-#endif
+#endif // EventUtil_h