Remove tons of OILPAN.

sky/engine/core/editing/MoveSelectionCommand.cpp

Index: sky/engine/core/editing/MoveSelectionCommand.cpp
diff --git a/sky/engine/core/editing/MoveSelectionCommand.cpp b/sky/engine/core/editing/MoveSelectionCommand.cpp
index a136315f67d5b9fe19a209a602344840984fb64e..958953b17494821d1736f957009b8217aa24331a 100644
--- a/sky/engine/core/editing/MoveSelectionCommand.cpp
+++ b/sky/engine/core/editing/MoveSelectionCommand.cpp
@@ -83,11 +83,4 @@ EditAction MoveSelectionCommand::editingAction() const
     return EditActionDrag;
 }
 
-void MoveSelectionCommand::trace(Visitor* visitor)
-{
-    visitor->trace(m_fragment);
-    visitor->trace(m_position);
-    CompositeEditCommand::trace(visitor);
-}
-
 } // namespace blink