Oilpan: remove unnecessary TextTrackList finalization.

Source/core/html/track/TextTrackCueList.cpp

 /*
  * Copyright (C) 2011 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 16 matching lines @@
 
 #include "core/html/track/TextTrackCueList.h"
 
 namespace blink {
 
 TextTrackCueList::TextTrackCueList()
 {
     ScriptWrappable::init(this);
 }
 
+DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(TextTrackCueList);
+
 unsigned long TextTrackCueList::length() const
 {
     return m_list.size();
 }
 
 unsigned long TextTrackCueList::getCueIndex(TextTrackCue* cue) const
 {
     return m_list.find(cue);
 }
 
@@ skipping 95 matching lines @@
         m_list[i]->invalidateCueIndex();
 }
 
 void TextTrackCueList::trace(Visitor* visitor)
 {
     visitor->trace(m_list);
     visitor->trace(m_activeCues);
 }
 
 } // namespace blink
-