Fix for bug 26732. r=danm. event queue need to be able to init a plevent

xpcom/threads/nsEventQueue.cpp

@@ -135,6 +135,19 @@ nsEventQueueImpl::NotifyObservers(const char *aTopic)
     os->Notify(us, topic.GetUnicode(), NULL);
 }
 
+
+NS_IMETHODIMP
+nsEventQueueImpl::InitEvent(PLEvent* aEvent,
+							void* owner, 
+							PLHandleEventProc handler,
+							PLDestroyEventProc destructor)
+{
+	PL_InitEvent(aEvent, owner, handler, destructor);
+	return NS_OK;
+}
+
+
+
 NS_IMETHODIMP_(PRStatus)
 nsEventQueueImpl::PostEvent(PLEvent* aEvent)
 {

xpcom/threads/nsEventQueue.h

@@ -36,7 +36,10 @@ public:
     NS_DECL_ISUPPORTS
 
   // nsIEventQueue interface...
-    NS_IMETHOD_(PRStatus) PostEvent(PLEvent* aEvent);
+    NS_IMETHOD InitEvent(PLEvent* aEvent, void* owner, 
+		                 PLHandleEventProc handler, PLDestroyEventProc destructor);
+    
+	NS_IMETHOD_(PRStatus) PostEvent(PLEvent* aEvent);
     NS_IMETHOD PostSynchronousEvent(PLEvent* aEvent, void** aResult);
 
     NS_IMETHOD ProcessPendingEvents();

xpcom/threads/nsIEventQueue.h

@@ -42,8 +42,11 @@ class nsIEventQueue : public nsISupports
 {
 public:
     NS_DEFINE_STATIC_IID_ACCESSOR(NS_IEVENTQUEUE_IID);
-
-    NS_IMETHOD_(PRStatus) PostEvent(PLEvent* aEvent) = 0;
+	
+	NS_IMETHOD InitEvent(PLEvent* aEvent, void* owner, 
+		                 PLHandleEventProc handler, PLDestroyEventProc destructor) = 0;
+    
+	NS_IMETHOD_(PRStatus) PostEvent(PLEvent* aEvent) = 0;
     NS_IMETHOD PostSynchronousEvent(PLEvent* aEvent, void** aResult) = 0;
 	
     NS_IMETHOD ProcessPendingEvents() = 0;