Remove utils::Prefable in favour of guard::Guard

1 files changed, 0 insertions, 22 deletions

diff --git a/components/script/dom/bindings/utils.rs b/components/script/dom/bindings/utils.rs
index 3ba5838a4fa..cf1f437b1cf 100644
--- a/components/script/dom/bindings/utils.rs
+++ b/components/script/dom/bindings/utils.rs
@@ -39,7 +39,6 @@ use std::ffi::CString;
 use std::os::raw::c_void;
 use std::ptr;
 use std::slice;
-use util::prefs;
 
 /// Proxy handler for a WindowProxy.
 pub struct WindowProxyHandler(pub *const libc::c_void);
@@ -550,24 +549,3 @@ unsafe extern "C" fn instance_class_has_proto_at_depth(clasp: *const js::jsapi::
 pub const DOM_CALLBACKS: DOMCallbacks = DOMCallbacks {
     instanceClassMatchesProto: Some(instance_class_has_proto_at_depth),
 };
-
-/// A container around JS member specifications that are conditionally enabled.
-pub struct Prefable<T: 'static> {
-    /// If present, the name of the preference used to conditionally enable these specs.
-    pub pref: Option<&'static str>,
-    /// The underlying slice of specifications.
-    pub specs: &'static [T],
-}
-
-impl<T> Prefable<T> {
-    /// Retrieve the slice represented by this container, unless the condition
-    /// guarding it is false.
-    pub fn specs(&self) -> Option<&'static [T]> {
-        if let Some(pref) = self.pref {
-            if !prefs::get_pref(pref).as_boolean().unwrap_or(false) {
-                return None;
-            }
-        }
-        Some(self.specs)
-    }
-}