Remove UseCounter

sky/engine/core/events/Event.cpp

 /*
  * Copyright (C) 2001 Peter Kelly (pmk@post.com)
  * Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de)
  * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2003, 2005, 2006, 2008 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "sky/engine/config.h"
 #include "sky/engine/core/events/Event.h"
 
 #include "gen/sky/core/EventHeaders.h"
 #include "gen/sky/core/EventInterfaces.h"
 #include "sky/engine/core/dom/StaticNodeList.h"
 #include "sky/engine/core/events/EventTarget.h"
-#include "sky/engine/core/frame/UseCounter.h"
 #include "sky/engine/wtf/CurrentTime.h"
 
 namespace blink {
 
 Event::Event()
     : m_canBubble(false)
     , m_cancelable(false)
     , m_propagationStopped(false)
     , m_immediatePropagationStopped(false)
     , m_defaultPrevented(false)
@@ skipping 48 matching lines @@
     m_immediatePropagationStopped = false;
     m_defaultPrevented = false;
 
     m_type = eventTypeArg;
     m_canBubble = canBubbleArg;
     m_cancelable = cancelableArg;
 }
 
 bool Event::legacyReturnValue(ExecutionContext* executionContext) const
 {
-    bool returnValue = !defaultPrevented();
-    if (returnValue)
-        UseCounter::count(executionContext, UseCounter::EventGetReturnValueTrue);
-    else
-        UseCounter::count(executionContext, UseCounter::EventGetReturnValueFalse);
-    return returnValue;
+    return !defaultPrevented();
 }
 
 void Event::setLegacyReturnValue(ExecutionContext* executionContext, bool returnValue)
 {
-    if (returnValue)
-        UseCounter::count(executionContext, UseCounter::EventSetReturnValueTrue);
-    else
-        UseCounter::count(executionContext, UseCounter::EventSetReturnValueFalse);
     setDefaultPrevented(!returnValue);
 }
 
 const AtomicString& Event::interfaceName() const
 {
     return EventNames::Event;
 }
 
 bool Event::hasInterface(const AtomicString& name) const
 {
@@ skipping 103 matching lines @@
     }
     return StaticNodeList::createEmpty();
 }
 
 EventTarget* Event::currentTarget() const
 {
     return m_currentTarget.get();
 }
 
 } // namespace blink