Have CSSParserContext take a Document reference in argument

Source/core/testing/Internals.cpp

Index: Source/core/testing/Internals.cpp
diff --git a/Source/core/testing/Internals.cpp b/Source/core/testing/Internals.cpp
index f188102cfe0d3187e6f7d6e1b7286b6083c5f436..2a6480ca33f5f43be97344253115e4b368044c97 100644
--- a/Source/core/testing/Internals.cpp
+++ b/Source/core/testing/Internals.cpp
@@ -1859,7 +1859,10 @@ void Internals::allowRoundingHacks() const
 
 void Internals::insertAuthorCSS(Document* document, const String& css) const
 {
-    RefPtr<StyleSheetContents> parsedSheet = StyleSheetContents::create(document);
+    if (!document)
+        return;
+
+    RefPtr<StyleSheetContents> parsedSheet = StyleSheetContents::create(*document);
     parsedSheet->setIsUserStyleSheet(false);
     parsedSheet->parseString(css);
     document->styleSheetCollections()->addAuthorSheet(parsedSheet);
@@ -1867,7 +1870,10 @@ void Internals::insertAuthorCSS(Document* document, const String& css) const
 
 void Internals::insertUserCSS(Document* document, const String& css) const
 {
-    RefPtr<StyleSheetContents> parsedSheet = StyleSheetContents::create(document);
+    if (!document)
+        return;
+
+    RefPtr<StyleSheetContents> parsedSheet = StyleSheetContents::create(*document);
     parsedSheet->setIsUserStyleSheet(true);
     parsedSheet->parseString(css);
     document->styleSheetCollections()->addUserSheet(parsedSheet);