Bug 1455052 part 3. Change GetEventPopupControlState to work with Event. r=masayuki

MozReview-Commit-ID: ArEfBOa7Pha

dom/events/Event.cpp

@@ -658,13 +658,13 @@ PopupAllowedForEvent(const char *eventName)
 
 // static
 PopupControlState
-Event::GetEventPopupControlState(WidgetEvent* aEvent, nsIDOMEvent* aDOMEvent)
+Event::GetEventPopupControlState(WidgetEvent* aEvent, Event* aDOMEvent)
 {
   // generally if an event handler is running, new windows are disallowed.
   // check for exceptions:
   PopupControlState abuse = openAbused;
 
-  if (aDOMEvent && aDOMEvent->InternalDOMEvent()->GetWantsPopupControlCheck()) {
+  if (aDOMEvent && aDOMEvent->GetWantsPopupControlCheck()) {
     nsAutoString type;
     aDOMEvent->GetType(type);
     if (PopupAllowedForEvent(NS_ConvertUTF16toUTF8(type).get())) {

dom/events/Event.h

@@ -163,7 +163,7 @@ public:
   bool Init(EventTarget* aGlobal);
 
   static PopupControlState GetEventPopupControlState(WidgetEvent* aEvent,
-                                                     nsIDOMEvent* aDOMEvent = nullptr);
+                                                     Event* aDOMEvent = nullptr);
 
   static void PopupAllowedEventsChanged();