Move GestureEvent to NewEventDispatcher

sky/engine/platform/PlatformEvent.h

Index: sky/engine/platform/PlatformEvent.h
diff --git a/sky/engine/platform/PlatformEvent.h b/sky/engine/platform/PlatformEvent.h
index 5f4b97e2b88774218d0398338ba520b40c9e51ae..59469cd5a05b5be8715d4c588e82429ec1844d59 100644
--- a/sky/engine/platform/PlatformEvent.h
+++ b/sky/engine/platform/PlatformEvent.h
@@ -47,24 +47,6 @@ public:
 
         // PlatformWheelEvent
         Wheel,
-
-        // PlatformGestureEvent
-        GestureScrollBegin,
-        GestureScrollEnd,
-        GestureScrollUpdate,
-        GestureScrollUpdateWithoutPropagation,
-        GestureTap,
-        GestureTapUnconfirmed,
-        GestureTapDown,
-        GestureShowPress,
-        GestureTapDownCancel,
-        GestureTwoFingerTap,
-        GestureLongPress,
-        GestureLongTap,
-        GesturePinchBegin,
-        GesturePinchEnd,
-        GesturePinchUpdate,
-        GestureFlingStart,
     };
 
     enum Modifiers {