Oilpan: put ClientRect(List) on the heap.

Source/core/dom/ClientRect.h

 /*
  * Copyright (C) 2009 Apple 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 13 matching lines @@
  *
  */
 
 #ifndef ClientRect_h
 #define ClientRect_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/CoreExport.h"
 #include "platform/geometry/FloatRect.h"
 #include "platform/heap/Handle.h"
-#include "wtf/PassRefPtr.h"
-#include "wtf/RefCounted.h"
 
 namespace blink {
 
 class IntRect;
 
-class CORE_EXPORT ClientRect final : public RefCountedWillBeGarbageCollected<ClientRect>, public ScriptWrappable {
+class CORE_EXPORT ClientRect final : public GarbageCollected<ClientRect>, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
-    static PassRefPtrWillBeRawPtr<ClientRect> create()
+    static ClientRect* create()
     {
-        return adoptRefWillBeNoop(new ClientRect);
+        return new ClientRect;
     }
-    static PassRefPtrWillBeRawPtr<ClientRect> create(const IntRect& rect)
+    static ClientRect* create(const IntRect& rect)
     {
-        return adoptRefWillBeNoop(new ClientRect(rect));
+        return new ClientRect(rect);
     }
-    static PassRefPtrWillBeRawPtr<ClientRect> create(const FloatRect& rect)
+    static ClientRect* create(const FloatRect& rect)
     {
-        return adoptRefWillBeNoop(new ClientRect(rect));
+        return new ClientRect(rect);
     }
 
     float top() const { return m_rect.y(); }
     float right() const { return m_rect.maxX(); }
     float bottom() const { return m_rect.maxY(); }
     float left() const { return m_rect.x(); }
     float width() const { return m_rect.width(); }
     float height() const { return m_rect.height(); }
 
     DEFINE_INLINE_TRACE() { }
 
 private:
     ClientRect();
     explicit ClientRect(const IntRect&);
     explicit ClientRect(const FloatRect&);
 
     FloatRect m_rect;
 };
 
 } // namespace blink
 
 #endif // ClientRect_h