Oilpan: add transition types to track interface objects.

Source/core/html/track/vtt/VTTRegionList.h

 /*
  * Copyright (C) 2013 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 15 matching lines @@
 #ifndef VTTRegionList_h
 #define VTTRegionList_h
 
 #include "core/html/track/vtt/VTTRegion.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 #include "wtf/Vector.h"
 
 namespace WebCore {
 
-class VTTRegionList : public RefCounted<VTTRegionList> {
+class VTTRegionList FINAL : public RefCountedWillBeGarbageCollected<VTTRegionList> {
 public:
-    static PassRefPtr<VTTRegionList> create()
+    static PassRefPtrWillBeRawPtr<VTTRegionList> create()
     {
-        return adoptRef(new VTTRegionList());
+        return adoptRefWillBeNoop(new VTTRegionList());
     }
 
-    ~VTTRegionList() { }
-
     unsigned long length() const;
 
     VTTRegion* item(unsigned index) const;
     VTTRegion* getRegionById(const String&) const;
 
-    void add(PassRefPtr<VTTRegion>);
+    void add(PassRefPtrWillBeRawPtr<VTTRegion>);
     bool remove(VTTRegion*);
 
+    void trace(Visitor*);
+
 private:
     VTTRegionList();
     void clear();

[haraken, 2014/04/22 02:37:47]

This clear() method is unused. You can remove it.

[sof, 2014/04/22 06:27:52]

Nice; removed.

 
-    Vector<RefPtr<VTTRegion> > m_list;
+    WillBeHeapVector<RefPtrWillBeMember<VTTRegion> > m_list;
 };
 
 } // namespace WebCore
 
 #endif