Support SVG fragment URLs in cross faded images

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

Index: third_party/WebKit/Source/core/css/CSSCrossfadeValue.cpp
diff --git a/third_party/WebKit/Source/core/css/CSSCrossfadeValue.cpp b/third_party/WebKit/Source/core/css/CSSCrossfadeValue.cpp
index 459ea952645656ff98eb95947d59ce90de48acef..ec59447b35a06e6bc3ec2668e1e289c4be8e34bd 100644
--- a/third_party/WebKit/Source/core/css/CSSCrossfadeValue.cpp
+++ b/third_party/WebKit/Source/core/css/CSSCrossfadeValue.cpp
@@ -94,6 +94,14 @@ static Image* renderableImageForCSSValue(CSSValue* value, const LayoutObject* la
     return cachedImage->image();
 }
 
+static KURL urlForCSSValue(const CSSValue* value)
+{
+    if (!value->isImageValue())
+        return KURL();
+
+    return KURL(ParsedURLString, toCSSImageValue(*value).url());
+}
+
 CSSCrossfadeValue::CSSCrossfadeValue(PassRefPtrWillBeRawPtr<CSSValue> fromValue, PassRefPtrWillBeRawPtr<CSSValue> toValue, PassRefPtrWillBeRawPtr<CSSPrimitiveValue> percentageValue)
     : CSSImageGeneratorValue(CrossfadeClass)
     , m_fromValue(fromValue)
@@ -219,13 +227,11 @@ PassRefPtr<Image> CSSCrossfadeValue::image(const LayoutObject* layoutObject, con
     RefPtr<Image> fromImageRef(fromImage);
     RefPtr<Image> toImageRef(toImage);
 
-    // TODO(davve): Pass along proper URL to the SVG wrappers
-
     if (fromImage->isSVGImage())
-        fromImageRef = SVGImageForContainer::create(toSVGImage(fromImage), size, 1, KURL());
+        fromImageRef = SVGImageForContainer::create(toSVGImage(fromImage), size, 1, urlForCSSValue(m_fromValue.get()));
 
     if (toImage->isSVGImage())
-        toImageRef = SVGImageForContainer::create(toSVGImage(toImage), size, 1, KURL());
+        toImageRef = SVGImageForContainer::create(toSVGImage(toImage), size, 1, urlForCSSValue(m_toValue.get()));
 
     m_generatedImage = CrossfadeGeneratedImage::create(fromImageRef, toImageRef, m_percentageValue->getFloatValue(), fixedSize(layoutObject), size);