Clean up RenderLayer paintOrderLists code

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 ae10e588352f077617ba975d5c8d6045cbea3f19..1e9bb8fa4c41ae69bd3eaf95dc8c8c2e123fbcc6 100644
--- a/Source/core/testing/Internals.cpp
+++ b/Source/core/testing/Internals.cpp
@@ -68,6 +68,7 @@
 #include "TypeConversions.h"
 #include "ViewportArguments.h"
 #include "WorkerThread.h"
+#include "core/dom/StaticNodeList.h"
 #include "core/editing/Editor.h"
 #include "core/editing/SpellChecker.h"
 #include "core/editing/TextIterator.h"
@@ -1558,7 +1559,9 @@ static PassRefPtr<NodeList> paintOrderList(Element* element, ExceptionCode& ec,
         return 0;
     }
 
-    return layer->paintOrderList(type);
+    Vector<RefPtr<Node> > nodes;
+    layer->computePaintOrderList(type, nodes);
+    return StaticNodeList::adopt(nodes);
 }
 
 PassRefPtr<NodeList> Internals::paintOrderListBeforePromote(Element* element, ExceptionCode& ec)