ozone: Use root location for EventSystemLocationFromNative

ui/events/ozone/events_ozone.cc

Index: ui/events/ozone/events_ozone.cc
diff --git a/ui/events/ozone/events_ozone.cc b/ui/events/ozone/events_ozone.cc
index d2e1e33b5775e8874ffb814599f6c01068a8f5f8..04691c38e2b403ad6186ba52f778d1c7f2afe598 100644
--- a/ui/events/ozone/events_ozone.cc
+++ b/ui/events/ozone/events_ozone.cc
@@ -31,13 +31,15 @@ gfx::Point EventSystemLocationFromNative(
     const base::NativeEvent& native_event) {
   const ui::LocatedEvent* e =
       static_cast<const ui::LocatedEvent*>(native_event);
-  DCHECK(e->IsMouseEvent() || e->IsTouchEvent() || e->IsGestureEvent() ||
-         e->IsScrollEvent());
-  return e->location();
+  DCHECK(e->IsLocatedEvent());
+  return e->root_location();
 }
 
 gfx::Point EventLocationFromNative(const base::NativeEvent& native_event) {
-  return EventSystemLocationFromNative(native_event);
+  const ui::LocatedEvent* e =
+      static_cast<const ui::LocatedEvent*>(native_event);
+  DCHECK(e->IsLocatedEvent());
+  return e->location();
 }
 
 int GetChangedMouseButtonFlagsFromNative(