WIP: Fix foreignObject cullrect

cc/trees/layer_tree_host_unittest.cc

Index: cc/trees/layer_tree_host_unittest.cc
diff --git a/cc/trees/layer_tree_host_unittest.cc b/cc/trees/layer_tree_host_unittest.cc
index 16b9eadb145558cbd05bb1623dea24d7cf39a878..976ca0db3a449549a402507b0a3133693c547c2f 100644
--- a/cc/trees/layer_tree_host_unittest.cc
+++ b/cc/trees/layer_tree_host_unittest.cc
@@ -1680,7 +1680,7 @@ class TestOpacityChangeLayerDelegate : public ContentLayerClient {
 
     // Return a dummy display list.
     scoped_refptr<DisplayItemList> display_list =
-        DisplayItemList::Create(PaintableRegion(), DisplayItemListSettings());
+        DisplayItemList::Create(DisplayItemListSettings());
     return display_list;
   }
   bool FillsBoundsCompletely() const override { return false; }
@@ -2287,7 +2287,7 @@ class LayerTreeHostTestChangeLayerPropertiesInPaintContents
 
       // Return a dummy display list.
       scoped_refptr<DisplayItemList> display_list =
-          DisplayItemList::Create(PaintableRegion(), DisplayItemListSettings());
+          DisplayItemList::Create(DisplayItemListSettings());
       return display_list;
     }