Rename Root<T> to DomRoot<T>

In a later PR, DomRoot<T> will become a type alias of Root<Dom<T>>,
where Root<T> will be able to handle all the things that need to be
rooted that have a stable traceable address that doesn't move for the
whole lifetime of the root. Stay tuned.

components/script/dom/namednodemap.rs

@@ -8,7 +8,7 @@ use dom::bindings::codegen::Bindings::NamedNodeMapBinding;
 use dom::bindings::codegen::Bindings::NamedNodeMapBinding::NamedNodeMapMethods;
 use dom::bindings::error::{Error, Fallible};
 use dom::bindings::reflector::{Reflector, reflect_dom_object};
-use dom::bindings::root::{Dom, Root};
+use dom::bindings::root::{Dom, DomRoot};
 use dom::bindings::str::DOMString;
 use dom::bindings::xmlname::namespace_from_domstring;
 use dom::element::Element;
@@ -31,7 +31,7 @@ impl NamedNodeMap {
         }
     }
 
-    pub fn new(window: &Window, elem: &Element) -> Root<NamedNodeMap> {
+    pub fn new(window: &Window, elem: &Element) -> DomRoot<NamedNodeMap> {
         reflect_dom_object(box NamedNodeMap::new_inherited(elem),
                            window, NamedNodeMapBinding::Wrap)
     }
@@ -44,53 +44,53 @@ impl NamedNodeMapMethods for NamedNodeMap {
     }
 
     // https://dom.spec.whatwg.org/#dom-namednodemap-item
-    fn Item(&self, index: u32) -> Option<Root<Attr>> {
-        self.owner.attrs().get(index as usize).map(|js| Root::from_ref(&**js))
+    fn Item(&self, index: u32) -> Option<DomRoot<Attr>> {
+        self.owner.attrs().get(index as usize).map(|js| DomRoot::from_ref(&**js))
     }
 
     // https://dom.spec.whatwg.org/#dom-namednodemap-getnameditem
-    fn GetNamedItem(&self, name: DOMString) -> Option<Root<Attr>> {
+    fn GetNamedItem(&self, name: DOMString) -> Option<DomRoot<Attr>> {
         self.owner.get_attribute_by_name(name)
     }
 
     // https://dom.spec.whatwg.org/#dom-namednodemap-getnameditemns
     fn GetNamedItemNS(&self, namespace: Option<DOMString>, local_name: DOMString)
-                     -> Option<Root<Attr>> {
+                     -> Option<DomRoot<Attr>> {
         let ns = namespace_from_domstring(namespace);
         self.owner.get_attribute(&ns, &LocalName::from(local_name))
     }
 
     // https://dom.spec.whatwg.org/#dom-namednodemap-setnameditem
-    fn SetNamedItem(&self, attr: &Attr) -> Fallible<Option<Root<Attr>>> {
+    fn SetNamedItem(&self, attr: &Attr) -> Fallible<Option<DomRoot<Attr>>> {
         self.owner.SetAttributeNode(attr)
     }
 
     // https://dom.spec.whatwg.org/#dom-namednodemap-setnameditemns
-    fn SetNamedItemNS(&self, attr: &Attr) -> Fallible<Option<Root<Attr>>> {
+    fn SetNamedItemNS(&self, attr: &Attr) -> Fallible<Option<DomRoot<Attr>>> {
         self.SetNamedItem(attr)
     }
 
     // https://dom.spec.whatwg.org/#dom-namednodemap-removenameditem
-    fn RemoveNamedItem(&self, name: DOMString) -> Fallible<Root<Attr>> {
+    fn RemoveNamedItem(&self, name: DOMString) -> Fallible<DomRoot<Attr>> {
         let name = self.owner.parsed_name(name);
         self.owner.remove_attribute_by_name(&name).ok_or(Error::NotFound)
     }
 
     // https://dom.spec.whatwg.org/#dom-namednodemap-removenameditemns
     fn RemoveNamedItemNS(&self, namespace: Option<DOMString>, local_name: DOMString)
-                      -> Fallible<Root<Attr>> {
+                      -> Fallible<DomRoot<Attr>> {
         let ns = namespace_from_domstring(namespace);
         self.owner.remove_attribute(&ns, &LocalName::from(local_name))
             .ok_or(Error::NotFound)
     }
 
     // https://dom.spec.whatwg.org/#dom-namednodemap-item
-    fn IndexedGetter(&self, index: u32) -> Option<Root<Attr>> {
+    fn IndexedGetter(&self, index: u32) -> Option<DomRoot<Attr>> {
         self.Item(index)
     }
 
     // check-tidy: no specs after this line
-    fn NamedGetter(&self, name: DOMString) -> Option<Root<Attr>> {
+    fn NamedGetter(&self, name: DOMString) -> Option<DomRoot<Attr>> {
         self.GetNamedItem(name)
     }