Oilpan: prefinalize CSSCrossfadeValue.

third_party/WebKit/Source/core/css/CSSCrossfadeValue.cpp

 /*
  * 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 75 matching lines @@
 static Image* renderableImageForCSSValue(CSSValue* value, const LayoutObject* layoutObject)
 {
     ImageResource* cachedImage = cachedImageForCSSValue(value, &layoutObject->document());
 
     if (!cachedImage || !cachedImage->canRender())
         return nullptr;
 
     return cachedImage->image();
 }
 
+CSSCrossfadeValue::CSSCrossfadeValue(PassRefPtrWillBeRawPtr<CSSValue> fromValue, PassRefPtrWillBeRawPtr<CSSValue> toValue, PassRefPtrWillBeRawPtr<CSSPrimitiveValue> percentageValue)
+    : CSSImageGeneratorValue(CrossfadeClass)
+    , m_fromValue(fromValue)
+    , m_toValue(toValue)
+    , m_percentageValue(percentageValue)
+    , m_cachedFromImage(nullptr)
+    , m_cachedToImage(nullptr)
+    , m_crossfadeSubimageObserver(this)
+{
+#if ENABLE(OILPAN)
+    ThreadState::current()->registerPreFinalizer(this);
+#endif
+}
+
 CSSCrossfadeValue::~CSSCrossfadeValue()
 {
+#if !ENABLE(OILPAN)
+    dispose();
+#endif
+}
+
+void CSSCrossfadeValue::dispose()
+{
     if (m_cachedFromImage)
         m_cachedFromImage->removeClient(&m_crossfadeSubimageObserver);
     if (m_cachedToImage)
         m_cachedToImage->removeClient(&m_crossfadeSubimageObserver);
 }
 
 String CSSCrossfadeValue::customCSSText() const
 {
     StringBuilder result;
     result.appendLiteral("-webkit-cross-fade(");
@@ skipping 124 matching lines @@
 DEFINE_TRACE_AFTER_DISPATCH(CSSCrossfadeValue)
 {
     visitor->trace(m_fromValue);
     visitor->trace(m_toValue);
     visitor->trace(m_percentageValue);
     visitor->trace(m_crossfadeSubimageObserver);
     CSSImageGeneratorValue::traceAfterDispatch(visitor);
 }
 
 } // namespace blink