BackgroundImage incorrectly returns empty url() when created on-the-fly

Source/core/style/StyleFetchedImage.cpp

Index: Source/core/style/StyleFetchedImage.cpp
diff --git a/Source/core/style/StyleFetchedImage.cpp b/Source/core/style/StyleFetchedImage.cpp
index 5f3d9d007bae15292386c4ff5aa78bf896b5b7ec..5d5f23daed52061e715a13a70acae5766379017c 100644
--- a/Source/core/style/StyleFetchedImage.cpp
+++ b/Source/core/style/StyleFetchedImage.cpp
@@ -49,6 +49,11 @@ PassRefPtrWillBeRawPtr<CSSValue> StyleFetchedImage::cssValue() const
     return CSSImageValue::create(m_image->url(), const_cast<StyleFetchedImage*>(this));
 }
 
+PassRefPtrWillBeRawPtr<CSSValue> StyleFetchedImage::computedCSSValue() const
+{
+    return CSSImageValue::create(m_image->url(), const_cast<StyleFetchedImage*>(this));

[alancutter (OOO until 2018), 2015/09/18 02:55:09]

Add comment stating why the const_cast is necessary.

[nainar, 2015/09/18 03:47:25]

Done.

+}
+
 bool StyleFetchedImage::canRender(const LayoutObject& layoutObject, float multiplier) const
 {
     return m_image->canRender(layoutObject, multiplier);