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

ui/events/gesture_detection/gesture_event_data_packet.cc

Index: ui/events/gesture_detection/gesture_event_data_packet.cc
diff --git a/ui/events/gesture_detection/gesture_event_data_packet.cc b/ui/events/gesture_detection/gesture_event_data_packet.cc
index fd63932db69117e4c7971d9477e60552a22d3a4d..5edd34a610b53a0513bdd69c883436c64d39b509 100644
--- a/ui/events/gesture_detection/gesture_event_data_packet.cc
+++ b/ui/events/gesture_detection/gesture_event_data_packet.cc
@@ -111,9 +111,14 @@
   return packet;
 }
 
-void GestureEventDataPacket::Ack(bool event_consumed) {
+void GestureEventDataPacket::Ack(bool event_consumed,
+                                 bool is_source_touch_event_set_non_blocking) {
   DCHECK_EQ(static_cast<int>(ack_state_), static_cast<int>(AckState::PENDING));
   ack_state_ = event_consumed ? AckState::CONSUMED : AckState::UNCONSUMED;
+  for (auto& gesture : gestures_.container()) {
+    gesture.details.set_is_source_touch_event_set_non_blocking(
+        is_source_touch_event_set_non_blocking);
+  }
 }
 
 }  // namespace ui