1 files changed, 14 insertions, 10 deletions
diff --git a/components/script/dom/htmloptgroupelement.rs b/components/script/dom/htmloptgroupelement.rs
index b90eacff87f..cabb19936ab 100644
--- a/components/script/dom/htmloptgroupelement.rs
+++ b/components/script/dom/htmloptgroupelement.rs
@@ -5,12 +5,13 @@
 use dom::attr::Attr;
 use dom::bindings::codegen::Bindings::HTMLOptGroupElementBinding;
 use dom::bindings::codegen::Bindings::HTMLOptGroupElementBinding::HTMLOptGroupElementMethods;
-use dom::bindings::codegen::InheritTypes::{HTMLElementCast, HTMLOptionElementDerived, NodeCast};
+use dom::bindings::codegen::InheritTypes::{ElementCast, HTMLElementCast, HTMLOptionElementCast};
+use dom::bindings::codegen::InheritTypes::{HTMLOptionElementDerived, NodeCast};
 use dom::bindings::js::Root;
 use dom::document::Document;
-use dom::element::AttributeMutation;
+use dom::element::{AttributeMutation, IN_ENABLED_STATE};
 use dom::htmlelement::HTMLElement;
-use dom::node::{IN_ENABLED_STATE, Node, NodeFlags};
+use dom::node::{Node};
 use dom::virtualmethods::VirtualMethods;
 use util::str::DOMString;
 
@@ -25,7 +26,7 @@ impl HTMLOptGroupElement {
                      document: &Document) -> HTMLOptGroupElement {
         HTMLOptGroupElement {
             htmlelement:
-                HTMLElement::new_inherited_with_flags(NodeFlags::new() | IN_ENABLED_STATE,
+                HTMLElement::new_inherited_with_state(IN_ENABLED_STATE,
                                                       localName, prefix, document)
         }
     }
@@ -66,19 +67,22 @@ impl VirtualMethods for HTMLOptGroupElement {
                     AttributeMutation::Removed => false,
                 };
                 let node = NodeCast::from_ref(self);
-                node.set_disabled_state(disabled_state);
-                node.set_enabled_state(!disabled_state);
+                let el = ElementCast::from_ref(self);
+                el.set_disabled_state(disabled_state);
+                el.set_enabled_state(!disabled_state);
                 let options = node.children().filter(|child| {
                     child.is_htmloptionelement()
-                });
+                }).map(|child| Root::from_ref(HTMLOptionElementCast::to_ref(child.r()).unwrap()));
                 if disabled_state {
                     for option in options {
-                        option.set_disabled_state(true);
-                        option.set_enabled_state(false);
+                        let el = ElementCast::from_ref(option.r());
+                        el.set_disabled_state(true);
+                        el.set_enabled_state(false);
                     }
                 } else {
                     for option in options {
-                        option.check_disabled_attribute();
+                        let el = ElementCast::from_ref(option.r());
+                        el.check_disabled_attribute();
                     }
                 }
             },