Fix detached event listener attribute updating.

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

 /*
  * Copyright (C) 2006, 2008, 2009 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.
  *
  */
 
 #ifndef EventListener_h
 #define EventListener_h
 
 #include "core/CoreExport.h"
 #include "platform/heap/Handle.h"
 #include "platform/wtf/text/WTFString.h"
 
 namespace blink {
 
+class Document;
 class Event;
 class ExecutionContext;
 
 class CORE_EXPORT EventListener
     : public GarbageCollectedFinalized<EventListener> {
  public:
   enum ListenerType {
     kJSEventListenerType,
     kImageEventListenerType,
     kCPPEventListenerType,
     kConditionEventListenerType,
     kNativeEventListenerType,
   };
 
   virtual ~EventListener() {}
   virtual bool operator==(const EventListener&) const = 0;
   virtual void handleEvent(ExecutionContext*, Event*) = 0;
   virtual const String& Code() const { return g_empty_string; }
   virtual bool WasCreatedFromMarkup() const { return false; }
-  virtual bool BelongsToTheCurrentWorld(ExecutionContext*) const {
-    return false;
-  }
+  virtual bool BelongsToTheCurrentWorld(Document*) const { return false; }
   virtual bool IsAttribute() const { return false; }
 
   ListenerType GetType() const { return type_; }
 
   DEFINE_INLINE_VIRTUAL_TRACE() {}
 
  protected:
   explicit EventListener(ListenerType type) : type_(type) {}
 
  private:
   ListenerType type_;
 };
 
 }  // namespace blink
 
 #endif