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[];
+EVENTS_BASE_EXPORT extern const char kUnifiedGestureDetector[];
+EVENTS_BASE_EXPORT extern const char kUnifiedGestureDetectorAuto[];
+EVENTS_BASE_EXPORT extern const char kUnifiedGestureDetectorEnabled[];
+EVENTS_BASE_EXPORT extern const char kUnifiedGestureDetectorDisabled[];
+EVENTS_BASE_EXPORT extern const char kCompensateForUnstablePinchZoom[];
#if defined(OS_LINUX)
EVENTS_BASE_EXPORT extern const char kTouchDevices[];