Revert of [VSync Queue] Plug touch ack to gesture events and flush vsync queue if necessary

ui/events/gestures/gesture_recognizer_impl.cc

Index: ui/events/gestures/gesture_recognizer_impl.cc
diff --git a/ui/events/gestures/gesture_recognizer_impl.cc b/ui/events/gestures/gesture_recognizer_impl.cc
index a4c7c82de1676aa1007c0533c851e3e4750c53ee..5f7e70cd9e8a81d907f040ce6863f9647bb1314b 100644
--- a/ui/events/gestures/gesture_recognizer_impl.cc
+++ b/ui/events/gestures/gesture_recognizer_impl.cc
@@ -282,7 +282,6 @@
 GestureRecognizer::Gestures GestureRecognizerImpl::AckTouchEvent(
     uint32_t unique_event_id,
     ui::EventResult result,
-    bool is_source_touch_event_set_non_blocking,
     GestureConsumer* consumer) {
   GestureProviderAura* gesture_provider = nullptr;
 
@@ -296,8 +295,7 @@
   } else {
     gesture_provider = GetGestureProviderForConsumer(consumer);
   }
-  gesture_provider->OnTouchEventAck(unique_event_id, result != ER_UNHANDLED,
-                                    is_source_touch_event_set_non_blocking);
+  gesture_provider->OnTouchEventAck(unique_event_id, result != ER_UNHANDLED);
   return gesture_provider->GetAndResetPendingGestures();
 }