Remove resource type-specific fetching logic from ResourceFetcher

Source/core/html/HTMLLinkElement.cpp

Index: Source/core/html/HTMLLinkElement.cpp
diff --git a/Source/core/html/HTMLLinkElement.cpp b/Source/core/html/HTMLLinkElement.cpp
index f83508b317f36ba089a772243e7bde95c5b5c1e1..57d76edf873b3cc8e579190e1363585a90e5db5d 100644
--- a/Source/core/html/HTMLLinkElement.cpp
+++ b/Source/core/html/HTMLLinkElement.cpp
@@ -739,7 +739,7 @@ void LinkStyle::process()
             request.setCrossOriginAccessControl(document().securityOrigin(), crossOriginMode);
             setFetchFollowingCORS();
         }
-        setResource(document().fetcher()->fetchCSSStyleSheet(request));
+        setResource(CSSStyleSheetResource::fetch(request, document().fetcher()));
 
         if (!resource()) {
             // The request may have been denied if (for example) the stylesheet is local and the document is remote, or if there was a Content Security Policy Failure.