EVENTS_BASE_EXPORT extern const char kTouchEventsAuto[];
EVENTS_BASE_EXPORT extern const char kTouchEventsEnabled[];
EVENTS_BASE_EXPORT extern const char kTouchEventsDisabled[];
+EVENTS_BASE_EXPORT extern const char kUseUnifiedGestureDetector[];
#if defined(OS_LINUX)
EVENTS_BASE_EXPORT extern const char kTouchDevices[];
#endif
-#if defined(USE_XI2_MT)
+#if defined(USE_XI2_MT) || defined(USE_OZONE)
EVENTS_BASE_EXPORT extern const char kTouchCalibration[];
#endif