Add an intermediate function to generate 2 paint-order lists.

Source/WebCore/dom/PaintOrderLists.idl

Index: Source/WebCore/dom/PaintOrderLists.idl
diff --git a/Source/WebCore/dom/PaintOrderLists.idl b/Source/WebCore/dom/PaintOrderLists.idl
new file mode 100644
index 0000000000000000000000000000000000000000..0fd0863a81727e06f22afc54c69ec8c44f552359
--- /dev/null
+++ b/Source/WebCore/dom/PaintOrderLists.idl
@@ -0,0 +1,9 @@
+[
+    V8DependentLifetime,
+    V8SkipVTableValidation
+] interface PaintOrderLists {

[eseidel, 2013/04/09 07:20:34]

Is this for extensions?  Or is this for the web platform?  Do we have a spec for
this?

[hartmanng, 2013/04/09 16:02:37]

My intent was just to plumb this through for use in Internals in a layout test,
I didn't realize this would expose it completely. Is there a way to make this
available only for Internals?

+
+    readonly attribute NodeList listBeforePromote;
+    readonly attribute NodeList listAfterPromote;
+
+};