Bug 943537 - Fix bustage introduced by incorrect rebase across bug 1133492, to reopen a CLOSED TREE. r=bustage

--HG--
extra : rebase_source : 2cb963d066d439a39a4eb4c403452f18eaabdf3b

dom/ipc/TabChild.cpp

@@ -2270,7 +2270,7 @@ TabChild::UpdateTapState(const WidgetTouchEvent& aEvent, nsEventStatus aStatus)
     return;
 
   case NS_TOUCH_END:
-    if (!nsIPresShell::gPreventMouseEvents) {
+    if (!TouchManager::gPreventMouseEvents) {
       APZCCallbackHelper::DispatchSynthesizedMouseEvent(NS_MOUSE_MOVE, time, currentPoint, 0, mWidget);
       APZCCallbackHelper::DispatchSynthesizedMouseEvent(NS_MOUSE_BUTTON_DOWN, time, currentPoint, 0, mWidget);
       APZCCallbackHelper::DispatchSynthesizedMouseEvent(NS_MOUSE_BUTTON_UP, time, currentPoint, 0, mWidget);