Index: ui/events/gesture_event_details.cc |
diff --git a/ui/events/gesture_event_details.cc b/ui/events/gesture_event_details.cc |
index 0e6f2fd57d00864f85f33e4b5025b20e3179f622..4026d06ecdb752476a501ca975bcd0f07feb82f4 100644 |
--- a/ui/events/gesture_event_details.cc |
+++ b/ui/events/gesture_event_details.cc |
@@ -13,6 +13,8 @@ GestureEventDetails::GestureEventDetails(ui::EventType type, |
float delta_y) |
: type_(type), |
touch_points_(1) { |
+ DCHECK_GE(type, ET_GESTURE_TYPE_START); |
+ DCHECK_LE(type, ET_GESTURE_TYPE_END); |
switch (type_) { |
case ui::ET_GESTURE_SCROLL_BEGIN: |
data.scroll_begin.x_hint = delta_x; |