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

Source/core/style/StyleGeneratedImage.cpp

Index: Source/core/style/StyleGeneratedImage.cpp
diff --git a/Source/core/style/StyleGeneratedImage.cpp b/Source/core/style/StyleGeneratedImage.cpp
index 382c11c2e9ed223aa72672d101cfc88730ff1b6d..997b4ea670938935f50dc5e4fae082c0c076d63d 100644
--- a/Source/core/style/StyleGeneratedImage.cpp
+++ b/Source/core/style/StyleGeneratedImage.cpp
@@ -37,9 +37,9 @@ StyleGeneratedImage::StyleGeneratedImage(PassRefPtrWillBeRawPtr<CSSImageGenerato
     m_isGeneratedImage = true;
 }
 
-PassRefPtrWillBeRawPtr<CSSValue> StyleGeneratedImage::cssValue() const
+CSSValue StyleGeneratedImage::cssValue() const
 {
-    return m_imageGeneratorValue.get();
+    return *m_imageGeneratorValue;
 }
 
 LayoutSize StyleGeneratedImage::imageSize(const LayoutObject* layoutObject, float multiplier) const