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

ui/events/blink/blink_event_util.cc

Index: ui/events/blink/blink_event_util.cc
diff --git a/ui/events/blink/blink_event_util.cc b/ui/events/blink/blink_event_util.cc
index 349e0ed4cce91d51e5ba3feb339dce3c9f85a8cd..32dfebc307ee229e2f8a3df1e872ee5676e4a39d 100644
--- a/ui/events/blink/blink_event_util.cc
+++ b/ui/events/blink/blink_event_util.cc
@@ -627,6 +627,17 @@ WebGestureEvent CreateWebGestureEvent(const GestureEventDetails& details,
       break;
   }
 
+  switch (details.source_touch_event_result()) {
+    case ER_IGNORED_NON_BLOCKING:
+      gesture.source_touch_event_dispatch_type =
+          WebInputEvent::DispatchType::kEventNonBlocking;
+      break;
+    default:
+      gesture.source_touch_event_dispatch_type =
+          WebInputEvent::DispatchType::kBlocking;
+      break;
+  }
+
   gesture.unique_touch_event_id = unique_touch_event_id;
 
   switch (details.type()) {