Fix new warnings

components/script/dom/stylesheet.rs

@@ -2,14 +2,11 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
-use crate::dom::bindings::codegen::Bindings::StyleSheetBinding;
 use crate::dom::bindings::codegen::Bindings::StyleSheetBinding::StyleSheetMethods;
 use crate::dom::bindings::inheritance::Castable;
-use crate::dom::bindings::reflector::{reflect_dom_object, Reflector};
-use crate::dom::bindings::root::DomRoot;
+use crate::dom::bindings::reflector::Reflector;
 use crate::dom::bindings::str::DOMString;
 use crate::dom::cssstylesheet::CSSStyleSheet;
-use crate::dom::window::Window;
 use dom_struct::dom_struct;
 
 #[dom_struct]
@@ -34,20 +31,6 @@ impl StyleSheet {
             title: title,
         }
     }
-
-    #[allow(unrooted_must_root)]
-    pub fn new(
-        window: &Window,
-        type_: DOMString,
-        href: Option<DOMString>,
-        title: Option<DOMString>,
-    ) -> DomRoot<StyleSheet> {
-        reflect_dom_object(
-            Box::new(StyleSheet::new_inherited(type_, href, title)),
-            window,
-            StyleSheetBinding::Wrap,
-        )
-    }
 }
 
 impl StyleSheetMethods for StyleSheet {

components/script/dom/treewalker.rs

@@ -84,7 +84,6 @@ impl TreeWalkerMethods for TreeWalker {
         match self.filter {
             Filter::None => None,
             Filter::Dom(ref nf) => Some(nf.clone()),
-            Filter::Native(_) => panic!("Cannot convert native node filter to DOM NodeFilter"),
         }
     }
 
@@ -434,7 +433,6 @@ impl TreeWalker {
         match self.filter {
             // Step 4.
             Filter::None => Ok(NodeFilterConstants::FILTER_ACCEPT),
-            Filter::Native(f) => Ok((f)(node)),
             Filter::Dom(ref callback) => {
                 // Step 5.
                 self.active.set(true);
@@ -479,6 +477,5 @@ impl<'a> Iterator for &'a TreeWalker {
 #[derive(JSTraceable)]
 pub enum Filter {
     None,
-    Native(fn(node: &Node) -> u16),
     Dom(Rc<NodeFilter>),
 }

components/script/dom/worker.rs

@@ -124,10 +124,6 @@ impl Worker {
         Ok(worker)
     }
 
-    pub fn is_closing(&self) -> bool {
-        self.closing.load(Ordering::SeqCst)
-    }
-
     pub fn is_terminated(&self) -> bool {
         self.terminated.get()
     }