Make DOMString an alias for Option<~str>

Fixes #898.

1 files changed, 4 insertions, 4 deletions

diff --git a/src/components/script/dom/htmlfieldsetelement.rs b/src/components/script/dom/htmlfieldsetelement.rs
index 67518289d86..42f23dba530 100644
--- a/src/components/script/dom/htmlfieldsetelement.rs
+++ b/src/components/script/dom/htmlfieldsetelement.rs
@@ -2,7 +2,7 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-use dom::bindings::utils::{DOMString, null_string, ErrorResult, CacheableWrapper};
+use dom::bindings::utils::{DOMString, ErrorResult, CacheableWrapper};
 use dom::htmlcollection::HTMLCollection;
 use dom::htmlelement::HTMLElement;
 use dom::node::{AbstractNode, ScriptView};
@@ -27,14 +27,14 @@ impl HTMLFieldSetElement {
     }
 
     pub fn Name(&self) -> DOMString {
-        null_string
+        None
     }
 
     pub fn SetName(&mut self, _name: &DOMString, _rv: &mut ErrorResult) {
     }
 
     pub fn Type(&self) -> DOMString {
-        null_string
+        None
     }
 
     fn get_scope_and_cx(&self) -> (*JSObject, *JSContext) {
@@ -60,7 +60,7 @@ impl HTMLFieldSetElement {
     }
 
     pub fn ValidationMessage(&self) -> DOMString {
-        null_string
+        None
     }
 
     pub fn CheckValidity(&self) -> bool {