Remove tons of OILPAN.

sky/engine/core/events/TreeScopeEventContext.cpp

 /*
  * Copyright (C) 2014 Google Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 55 matching lines @@
 
 TreeScopeEventContext::TreeScopeEventContext(TreeScope& treeScope)
     : m_treeScope(treeScope)
     , m_preOrder(-1)
     , m_postOrder(-1)
 {
 }
 
 DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(TreeScopeEventContext)
 
-void TreeScopeEventContext::trace(Visitor* visitor)
-{
-    visitor->trace(m_treeScope);
-    visitor->trace(m_target);
-    visitor->trace(m_relatedTarget);
-    visitor->trace(m_eventPath);
-    visitor->trace(m_touchEventContext);
-#if ENABLE(OILPAN)
-    visitor->trace(m_children);
-#endif
-}
-
 int TreeScopeEventContext::calculatePrePostOrderNumber(int orderNumber)
 {
     m_preOrder = orderNumber;
     for (size_t i = 0; i < m_children.size(); ++i)
         orderNumber = m_children[i]->calculatePrePostOrderNumber(orderNumber + 1);
     m_postOrder = orderNumber + 1;
     return orderNumber + 1;
 }
 
 }