nsEventDispatcher::CreateEvent - mousescroll

Breakpoint 8, nsEventDispatcher::CreateEvent (aPresContext=0x7f91ee2c3400, aEvent=0x7fff44783390, aEventType=..., aDOMEvent=0x7fff44782af0)
    at /home/diogogmt/mozilla-central-diogogmt/content/events/src/nsEventDispatcher.cpp:796
796	      fprintf(stderr, "NS_MOUSE_SCROLL_EVENT\n");
(gdb) bt
#0  nsEventDispatcher::CreateEvent (aPresContext=0x7f91ee2c3400, aEvent=0x7fff44783390, aEventType=..., aDOMEvent=0x7fff44782af0)
    at /home/diogogmt/mozilla-central-diogogmt/content/events/src/nsEventDispatcher.cpp:796
#1  0x00007f9203ba5e19 in nsEventListenerManager::HandleEventInternal (this=0x7f91f6df91a0, aPresContext=0x7f91ee2c3400, aEvent=0x7fff44783390, aDOMEvent=
    0x7fff44782af0, aCurrentTarget=0x7f91fa7b2400, aFlags=6, aEventStatus=0x7fff44782af8, aPusher=0x7fff44782b20)
    at /home/diogogmt/mozilla-central-diogogmt/content/events/src/nsEventListenerManager.cpp:788
#2  0x00007f9203bd457a in nsEventListenerManager::HandleEvent (this=0x7f91f6df91a0, aPresContext=0x7f91ee2c3400, aEvent=0x7fff44783390, aDOMEvent=
    0x7fff44782af0, aCurrentTarget=0x7f91fa7b2400, aFlags=6, aEventStatus=0x7fff44782af8, aPusher=0x7fff44782b20)
    at /home/diogogmt/mozilla-central-diogogmt/content/events/src/nsEventListenerManager.h:169
#3  0x00007f9203bd4aaa in nsEventTargetChainItem::HandleEvent (this=0x7f91f0a1c268, aVisitor=..., aFlags=6, aMayHaveNewListenerManagers=false, aPusher=
    0x7fff44782b20) at /home/diogogmt/mozilla-central-diogogmt/content/events/src/nsEventDispatcher.cpp:215
#4  0x00007f9203bd4fae in nsEventTargetChainItem::HandleEventTargetChain (this=0x7f91f0a1c620, aVisitor=..., aFlags=6, aCallback=0x7fff44782ce0,
    aMayHaveNewListenerManagers=false, aPusher=0x7fff44782b20) at /home/diogogmt/mozilla-central-diogogmt/content/events/src/nsEventDispatcher.cpp:347
#5  0x00007f9203bd62f2 in nsEventDispatcher::Dispatch (aTarget=0x7f91fa7b2400, aPresContext=0x7f91ee2c3400, aEvent=0x7fff44783390, aDOMEvent=0x0,
    aEventStatus=0x7fff447832c4, aCallback=0x7fff44782ce0, aTargets=0x0)
    at /home/diogogmt/mozilla-central-diogogmt/content/events/src/nsEventDispatcher.cpp:689
#6  0x00007f920371ddfd in PresShell::HandleEventInternal (this=0x7f91ee2c4800, aEvent=0x7fff44783390, aStatus=0x7fff447832c4)
    at /home/diogogmt/mozilla-central-diogogmt/layout/base/nsPresShell.cpp:6657
#7  0x00007f920371d4aa in PresShell::HandlePositionedEvent (this=0x7f91ee2c4800, aTargetFrame=0x7f91f6dfd6c0, aEvent=0x7fff44783390, aEventStatus=
    0x7fff447832c4) at /home/diogogmt/mozilla-central-diogogmt/layout/base/nsPresShell.cpp:6321
#8  0x00007f920371c993 in PresShell::HandleEvent (this=0x7f91f0059000, aFrame=0x7f91f0a29c38, aEvent=0x7fff44783390, aDontRetargetEvents=false,
    aEventStatus=0x7fff447832c4) at /home/diogogmt/mozilla-central-diogogmt/layout/base/nsPresShell.cpp:6148
#9  0x00007f9203de871d in nsViewManager::DispatchEvent (this=0x7f91f00a6c40, aEvent=0x7fff44783390, aView=0x7f91f0075600, aStatus=0x7fff447832c4)
    at /home/diogogmt/mozilla-central-diogogmt/view/src/nsViewManager.cpp:908
#10 0x00007f9203de2672 in HandleEvent (aEvent=0x7fff44783390) at /home/diogogmt/mozilla-central-diogogmt/view/src/nsView.cpp:158
#11 0x00007f92047eeaed in nsWindow::DispatchEvent (this=0x7f91f003e600, aEvent=0x7fff44783390, aStatus=@0x7fff4478341c)
    at /home/diogogmt/mozilla-central-diogogmt/widget/gtk2/nsWindow.cpp:575
#12 0x00007f92047f57a7 in nsWindow::OnScrollEvent (this=0x7f91f003e600, aWidget=0x7f91f0b47080, aEvent=0x7f91f6a72f60)
    at /home/diogogmt/mozilla-central-diogogmt/widget/gtk2/nsWindow.cpp:3322
#13 0x00007f92047fc1d1 in scroll_event_cb (widget=0x7f91f0b47080, event=0x7f91f6a72f60)
    at /home/diogogmt/mozilla-central-diogogmt/widget/gtk2/nsWindow.cpp:5997