Oilpan: remove unnecessary TextTrackList finalization.

Source/core/html/track/TextTrackCueList.h

Index: Source/core/html/track/TextTrackCueList.h
diff --git a/Source/core/html/track/TextTrackCueList.h b/Source/core/html/track/TextTrackCueList.h
index b6cfa365f70d05592ae146e66cdbef90da0761c9..e199fb380a2fa0ebbb358d1cd4e1bd40ddab80c6 100644
--- a/Source/core/html/track/TextTrackCueList.h
+++ b/Source/core/html/track/TextTrackCueList.h
@@ -34,15 +34,14 @@
 
 namespace blink {
 
-class TextTrackCueList FINAL : public RefCountedWillBeGarbageCollectedFinalized<TextTrackCueList>, public ScriptWrappable {
+class TextTrackCueList FINAL : public RefCountedWillBeGarbageCollected<TextTrackCueList>, public ScriptWrappable {
+    DECLARE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(TextTrackCueList);
 public:
     static PassRefPtrWillBeRawPtr<TextTrackCueList> create()
     {
         return adoptRefWillBeNoop(new TextTrackCueList);
     }
 
-    ~TextTrackCueList() { }
-
     unsigned long length() const;
     unsigned long getCueIndex(TextTrackCue*) const;
 
@@ -66,7 +65,6 @@ private:
 
     WillBeHeapVector<RefPtrWillBeMember<TextTrackCue> > m_list;
     RefPtrWillBeMember<TextTrackCueList> m_activeCues;
-
 };
 
 } // namespace blink