Make Reflector #[must_root], propagate to non-HTMLElements

components/script/dom/bindings/trace.rs

@@ -83,6 +83,7 @@ pub fn trace_jsval(tracer: *mut JSTracer, description: &str, val: JSVal) {
 }
 
 /// Trace the `JSObject` held by `reflector`.
+#[allow(unrooted_must_root)]
 pub fn trace_reflector(tracer: *mut JSTracer, description: &str, reflector: &Reflector) {
     trace_object(tracer, description, reflector.get_jsobject())
 }

components/script/dom/bindings/utils.rs

@@ -455,8 +455,9 @@ pub fn reflect_dom_object<T: Reflectable>
 }
 
 /// A struct to store a reference to the reflector of a DOM object.
-#[allow(raw_pointer_deriving)]
+#[allow(raw_pointer_deriving, unrooted_must_root)]
 #[deriving(PartialEq)]
+#[must_root]
 pub struct Reflector {
     object: Cell<*mut JSObject>,
 }