Oilpan: Unship Oilpan from CSSValues

Source/core/style/StyleGeneratedImage.h

Index: Source/core/style/StyleGeneratedImage.h
diff --git a/Source/core/style/StyleGeneratedImage.h b/Source/core/style/StyleGeneratedImage.h
index 8112e2d3ccdd271a2f2aaa680adc96033ca419f9..0f0517fd053cdfff15117528a09fb0fefd9fa6da 100644
--- a/Source/core/style/StyleGeneratedImage.h
+++ b/Source/core/style/StyleGeneratedImage.h
@@ -41,7 +41,7 @@ public:
 
     WrappedImagePtr data() const override { return m_imageGeneratorValue.get(); }
 
-    PassRefPtrWillBeRawPtr<CSSValue> cssValue() const override;
+    PassRefPtr<CSSValue> cssValue() const override;
 
     LayoutSize imageSize(const LayoutObject*, float multiplier) const override;
     bool imageHasRelativeWidth() const override { return !m_fixedSize; }
@@ -57,9 +57,9 @@ public:
     DECLARE_VIRTUAL_TRACE();
 
 private:
-    StyleGeneratedImage(PassRefPtrWillBeRawPtr<CSSImageGeneratorValue>);
+    StyleGeneratedImage(PassRefPtr<CSSImageGeneratorValue>);
 
-    RefPtrWillBeMember<CSSImageGeneratorValue> m_imageGeneratorValue;
+    RefPtr<CSSImageGeneratorValue> m_imageGeneratorValue;
     IntSize m_containerSize;
     bool m_fixedSize;
 };