Remove tons of OILPAN.

sky/engine/core/rendering/RenderSelectionInfo.h

Index: sky/engine/core/rendering/RenderSelectionInfo.h
diff --git a/sky/engine/core/rendering/RenderSelectionInfo.h b/sky/engine/core/rendering/RenderSelectionInfo.h
index 4346c229bb0f08727aa8bcadf17796162c8cfc74..dd9866ce7e0310e6c9c7ff5b73f2b7ffdb9f720d 100644
--- a/sky/engine/core/rendering/RenderSelectionInfo.h
+++ b/sky/engine/core/rendering/RenderSelectionInfo.h
@@ -47,12 +47,6 @@ public:
     {
     }
 
-    void trace(Visitor* visitor)
-    {
-        visitor->trace(m_object);
-        visitor->trace(m_paintInvalidationContainer);
-    }
-
     RenderObject* object() const { return m_object; }
     const RenderLayerModelObject* paintInvalidationContainer() const { return m_paintInvalidationContainer; }
     RenderObject::SelectionState state() const { return m_state; }