Remove tons of OILPAN.

sky/engine/core/events/TouchEventContext.cpp

Index: sky/engine/core/events/TouchEventContext.cpp
diff --git a/sky/engine/core/events/TouchEventContext.cpp b/sky/engine/core/events/TouchEventContext.cpp
index 9df9b6133e3a87793cb9e897a4acd68937955c61..f821325ec2f18a03a78e6e365f28981949a99afa 100644
--- a/sky/engine/core/events/TouchEventContext.cpp
+++ b/sky/engine/core/events/TouchEventContext.cpp
@@ -56,11 +56,4 @@ void TouchEventContext::handleLocalEvents(Event* event) const
     touchEvent->setChangedTouches(m_changedTouches);
 }
 
-void TouchEventContext::trace(Visitor* visitor)
-{
-    visitor->trace(m_touches);
-    visitor->trace(m_targetTouches);
-    visitor->trace(m_changedTouches);
-}
-
 }