Support registering and dispatching passive event listeners.

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

 /*
  * 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, 2004, 2005, 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.
@@ skipping 17 matching lines @@
 #include "wtf/RefPtr.h"
 
 namespace blink {
 
 class RegisteredEventListener {
     DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
 public:
     RegisteredEventListener(PassRefPtrWillBeRawPtr<EventListener> listener, const EventListenerOptions& options)
         : listener(listener)
         , useCapture(options.capture())
+        , passive(options.passive())
     {
     }
 
     DEFINE_INLINE_TRACE()
     {
         visitor->trace(listener);
     }
 
     EventListenerOptions options() const
     {
         EventListenerOptions result;
         result.setCapture(useCapture);
+        result.setPassive(passive);
         return result;
     }
 
     RefPtrWillBeMember<EventListener> listener;
     unsigned useCapture : 1;
+    unsigned passive : 1;
 };
 
 inline bool operator==(const RegisteredEventListener& a, const RegisteredEventListener& b)
 {
 
     ASSERT(a.listener);
     ASSERT(b.listener);
-    return *a.listener == *b.listener && a.useCapture == b.useCapture;
+    return *a.listener == *b.listener && a.useCapture == b.useCapture && a.passive == b.passive;
 }
 
 } // namespace blink
 
 WTF_ALLOW_CLEAR_UNUSED_SLOTS_WITH_MEM_FUNCTIONS(blink::RegisteredEventListener);
 
 #endif // RegisteredEventListener_h