NOT FOR LANDING Experiment with allocating SVGImageForContainer on demand

Source/core/css/CSSImageValue.cpp

Index: Source/core/css/CSSImageValue.cpp
diff --git a/Source/core/css/CSSImageValue.cpp b/Source/core/css/CSSImageValue.cpp
index 8be299fbac042f8635fb779080bdf87b7027f4f8..6fbd60aef1ec20363bb1e211354c70757e368816 100644
--- a/Source/core/css/CSSImageValue.cpp
+++ b/Source/core/css/CSSImageValue.cpp
@@ -69,7 +69,7 @@ StyleFetchedImage* CSSImageValue::cachedImage(Document* document, const Resource
             request.setCrossOriginAccessControl(document->securityOrigin(), options.allowCredentials, options.credentialsRequested);
 
         if (ResourcePtr<ImageResource> cachedImage = ImageResource::fetch(request, document->fetcher()))
-            m_image = StyleFetchedImage::create(cachedImage.get(), document);
+            m_image = StyleFetchedImage::create(cachedImage.get(), document, request.url());
     }
 
     return (m_image && m_image->isImageResource()) ? toStyleFetchedImage(m_image) : nullptr;