Refactoring: Extract DocumentInit for capture Document construction parameter.

Source/core/loader/cache/CachedDocument.cpp

Index: Source/core/loader/cache/CachedDocument.cpp
diff --git a/Source/core/loader/cache/CachedDocument.cpp b/Source/core/loader/cache/CachedDocument.cpp
index ea724499c9fb54d5ba10864010752746875150b3..d0ad1081c0159557ff95d4768af8a9034c501428 100644
--- a/Source/core/loader/cache/CachedDocument.cpp
+++ b/Source/core/loader/cache/CachedDocument.cpp
@@ -71,7 +71,7 @@ PassRefPtr<Document> CachedDocument::createDocument(const KURL& url)
 {
     switch (type()) {
     case SVGDocumentResource:
-        return SVGDocument::create(0, url);
+        return SVGDocument::create(DocumentInit(url));
     default:
         // FIXME: We'll add more types to support HTMLImports.
         ASSERT_NOT_REACHED();