CSSValue Immediates: Change CSSValue to an object instead of a pointer

Source/core/style/StylePendingImage.h

 /*
  * Copyright (C) 2010 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 23 matching lines @@
 #include "platform/graphics/Image.h"
 
 namespace blink {
 
 // StylePendingImage is a placeholder StyleImage that is entered into the ComputedStyle during
 // style resolution, in order to avoid loading images that are not referenced by the final style.
 // They should never exist in a ComputedStyle after it has been returned from the style selector.
 
 class StylePendingImage final : public StyleImage {
 public:
-    static PassRefPtr<StylePendingImage> create(CSSValue* value) { return adoptRef(new StylePendingImage(value)); }
+    static PassRefPtr<StylePendingImage> create(CSSValueObject* value) { return adoptRef(new StylePendingImage(value)); }
 
     virtual WrappedImagePtr data() const override { return m_value; }
 
-    virtual PassRefPtrWillBeRawPtr<CSSValue> cssValue() const override { return m_value; }
+    virtual NullableCSSValue cssValue() const override { return m_value; }
     CSSImageValue* cssImageValue() const { return m_value->isImageValue() ? toCSSImageValue(m_value) : 0; }
     CSSImageGeneratorValue* cssImageGeneratorValue() const { return m_value->isImageGeneratorValue() ? toCSSImageGeneratorValue(m_value) : 0; }
     CSSCursorImageValue* cssCursorImageValue() const { return m_value->isCursorImageValue() ? toCSSCursorImageValue(m_value) : 0; }
     CSSImageSetValue* cssImageSetValue() const { return m_value->isImageSetValue() ? toCSSImageSetValue(m_value) : 0; }
 
     virtual LayoutSize imageSize(const LayoutObject*, float /*multiplier*/) const override { return LayoutSize(); }
     virtual bool imageHasRelativeWidth() const override { return false; }
     virtual bool imageHasRelativeHeight() const override { return false; }
     virtual void computeIntrinsicDimensions(const LayoutObject*, Length& /* intrinsicWidth */ , Length& /* intrinsicHeight */, FloatSize& /* intrinsicRatio */) override { }
     virtual bool usesImageContainerSize() const override { return false; }
     virtual void setContainerSizeForLayoutObject(const LayoutObject*, const IntSize&, float) override { }
     virtual void addClient(LayoutObject*) override { }
     virtual void removeClient(LayoutObject*) override { }
     virtual PassRefPtr<Image> image(LayoutObject*, const IntSize&) const override
     {
         ASSERT_NOT_REACHED();
         return nullptr;
     }
     virtual bool knownToBeOpaque(const LayoutObject*) const override { return false; }
 
 private:
-    StylePendingImage(CSSValue* value)
+    StylePendingImage(CSSValueObject* value)
         : m_value(value)
     {
         m_isPendingImage = true;
     }
 
-    CSSValue* m_value; // Not retained; it owns us.
+    CSSValueObject* m_value; // Not retained; it owns us.
 };
 
 DEFINE_STYLE_IMAGE_TYPE_CASTS(StylePendingImage, isPendingImage());
 
 }
 #endif