$OpenBSD: patch-ui_events_event_switches_h,v 1.9 2019/04/17 11:48:55 robert Exp $
Index: ui/events/event_switches.h
--- ui/events/event_switches.h.orig
+++ ui/events/event_switches.h
@@ -13,7 +13,7 @@ namespace switches {
 
 EVENTS_BASE_EXPORT extern const char kCompensateForUnstablePinchZoom[];
 
-#if defined(OS_LINUX)
+#if defined(OS_LINUX) || defined(OS_BSD)
 EVENTS_BASE_EXPORT extern const char kTouchDevices[];
 EVENTS_BASE_EXPORT extern const char kPenDevices[];
 #endif
