Oilpan: eagerly finalize CSSCrossfadeValue.

Source/core/css/CSSCrossfadeValue.h

 /*
  * Copyright (C) 2011 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 48 matching lines @@
     bool knownToBeOpaque(const LayoutObject*) const;
 
     void loadSubimages(Document*);
 
     void setPercentage(PassRefPtrWillBeRawPtr<CSSPrimitiveValue> percentageValue) { m_percentageValue = percentageValue; }
 
     bool hasFailedOrCanceledSubresources() const;
 
     bool equals(const CSSCrossfadeValue&) const;
 
+    // Promptly remove as a ImageResource client.
+    EAGERLY_FINALIZE();
+#if ENABLE(OILPAN)
+    DECLARE_EAGER_FINALIZATION_OPERATOR_NEW();
+#endif
     DECLARE_TRACE_AFTER_DISPATCH();
 
 private:
     CSSCrossfadeValue(PassRefPtrWillBeRawPtr<CSSValue> fromValue, PassRefPtrWillBeRawPtr<CSSValue> toValue)
         : CSSImageGeneratorValue(CrossfadeClass)
         , m_fromValue(fromValue)
         , m_toValue(toValue)
         , m_cachedFromImage(0)
         , m_cachedToImage(0)
         , m_crossfadeSubimageObserver(this) { }
@@ skipping 24 matching lines @@
     RefPtr<Image> m_generatedImage;
 
     CrossfadeSubimageObserverProxy m_crossfadeSubimageObserver;
 };
 
 DEFINE_CSS_VALUE_TYPE_CASTS(CSSCrossfadeValue, isCrossfadeValue());
 
 } // namespace blink
 
 #endif // CSSCrossfadeValue_h