Remove the Comparable trait

components/script/dom/bindings/js.rs

@@ -715,25 +715,3 @@ impl<'a, T: Reflectable> Reflectable for JSRef<'a, T> {
         (**self).reflector()
     }
 }
-
-/// A trait for comparing smart pointers ignoring the lifetimes
-pub trait Comparable<T> {
-    /// Returns whether the other value points to the same object.
-    fn equals(&self, other: T) -> bool;
-}
-
-impl<'a, 'b, T> Comparable<JSRef<'a, T>> for JSRef<'b, T> {
-    fn equals(&self, other: JSRef<'a, T>) -> bool {
-        self.ptr == other.ptr
-    }
-}
-
-impl<'a, 'b, T> Comparable<Option<JSRef<'a, T>>> for Option<JSRef<'b, T>> {
-    fn equals(&self, other: Option<JSRef<'a, T>>) -> bool {
-        match (*self, other) {
-            (Some(x), Some(y)) => x.ptr == y.ptr,
-            (None, None) => true,
-            _ => false
-        }
-    }
-}