Index: ui/events/gesture_detection/gesture_provider.cc |
diff --git a/ui/events/gesture_detection/gesture_provider.cc b/ui/events/gesture_detection/gesture_provider.cc |
index 7607f08d8765a7fbc02a96f7eb471af5f813efcb..d3263645acb95108774e4308d77b297afb07e5ba 100644 |
--- a/ui/events/gesture_detection/gesture_provider.cc |
+++ b/ui/events/gesture_detection/gesture_provider.cc |
@@ -551,6 +551,7 @@ bool GestureProvider::OnTouchEvent(const MotionEvent& event) { |
"action", GetMotionEventActionName(event.GetAction())); |
DCHECK_NE(0u, event.GetPointerCount()); |
+ DCHECK(!event.GetEventTime().is_null()); |
if (!CanHandle(event)) |
return false; |