Oilpan: Move CSSAnimationData and CSSAnimationDataList to oilpan's heap

Source/core/rendering/style/StyleRareNonInheritedData.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 103 matching lines @@
     DataRef<StyleGridData> m_grid;
     DataRef<StyleGridItemData> m_gridItem;
 
     OwnPtr<ContentData> m_content;
     OwnPtr<CounterDirectiveMap> m_counterDirectives;
 
     RefPtr<ShadowList> m_boxShadow;
 
     RefPtr<StyleReflection> m_boxReflect;
 
-    OwnPtr<CSSAnimationDataList> m_animations;
-    OwnPtr<CSSAnimationDataList> m_transitions;

[haraken, 2014/03/25 12:47:37]

At first I forgot to change this OwnPtr to OwnPtrWillBePersistent. However, it
didn't cause a compile error and I couldn't notice it until seeing some layout
tests failed.

C++ experts: What's the easiest way to cause a compile error when OwnPtr is used
for a GarbageCollected class?

+    OwnPtrWillBePersistent<CSSAnimationDataList> m_animations;
+    OwnPtrWillBePersistent<CSSAnimationDataList> m_transitions;
 
     FillLayer m_mask;
     NinePieceImage m_maskBoxImage;
 
     LengthSize m_pageSize;
 
     RefPtr<ShapeValue> m_shapeInside;
     RefPtr<ShapeValue> m_shapeOutside;
     Length m_shapeMargin;
     Length m_shapePadding;
@@ skipping 59 matching lines @@
     unsigned m_scrollBehavior: 2;
 
 private:
     StyleRareNonInheritedData();
     StyleRareNonInheritedData(const StyleRareNonInheritedData&);
 };
 
 } // namespace WebCore
 
 #endif // StyleRareNonInheritedData_h