4 files changed, 14 insertions, 26 deletions
diff --git a/src/components/script/dom/bindings/codegen/CodegenRust.py b/src/components/script/dom/bindings/codegen/CodegenRust.py
index 3a0f5cddb00..f546f4cdd33 100644
--- a/src/components/script/dom/bindings/codegen/CodegenRust.py
+++ b/src/components/script/dom/bindings/codegen/CodegenRust.py
@@ -1838,7 +1838,7 @@ class CGWrapMethod(CGAbstractMethod):
 
 %s
 
-  raw.mut_reflector().set_jsobject(obj);
+  raw.reflector().set_jsobject(obj);
 
   return raw;""" % CreateBindingJSObject(self.descriptor, "scope")
         else:
@@ -1848,7 +1848,7 @@ class CGWrapMethod(CGAbstractMethod):
     let proto = GetProtoObject(aCx, obj, obj);
     JS_SetPrototype(aCx, obj, proto);
   });
-  raw.mut_reflector().set_jsobject(obj);
+  raw.reflector().set_jsobject(obj);
   return raw;""" % CreateBindingJSObject(self.descriptor)
 
 
diff --git a/src/components/script/dom/bindings/element.rs b/src/components/script/dom/bindings/element.rs
index 545ae499a66..53069b94062 100644
--- a/src/components/script/dom/bindings/element.rs
+++ b/src/components/script/dom/bindings/element.rs
@@ -48,10 +48,6 @@ macro_rules! generate_cacheable_wrapper_base(
             fn reflector<'a>(&'a self) -> &'a Reflector {
                 self.$parent.reflector()
             }
-
-            fn mut_reflector<'a>(&'a mut self) -> &'a mut Reflector {
-                self.$parent.mut_reflector()
-            }
         }
     )
 )
diff --git a/src/components/script/dom/bindings/js.rs b/src/components/script/dom/bindings/js.rs
index e2b2665c415..b72e8c9e42d 100644
--- a/src/components/script/dom/bindings/js.rs
+++ b/src/components/script/dom/bindings/js.rs
@@ -171,12 +171,6 @@ impl<T: Reflectable> Reflectable for JS<T> {
             (*self.unsafe_get()).reflector()
         }
     }
-
-    fn mut_reflector<'a>(&'a mut self) -> &'a mut Reflector {
-        unsafe {
-            (*self.unsafe_get()).mut_reflector()
-        }
-    }
 }
 
 impl<T: Reflectable> JS<T> {
@@ -500,8 +494,4 @@ impl<'a, T: Reflectable> Reflectable for JSRef<'a, T> {
     fn reflector<'a>(&'a self) -> &'a Reflector {
         self.deref().reflector()
     }
-
-    fn mut_reflector<'a>(&'a mut self) -> &'a mut Reflector {
-        self.deref_mut().mut_reflector()
-    }
 }
diff --git a/src/components/script/dom/bindings/utils.rs b/src/components/script/dom/bindings/utils.rs
index 5eb3486c20c..ab81ed2c8fc 100644
--- a/src/components/script/dom/bindings/utils.rs
+++ b/src/components/script/dom/bindings/utils.rs
@@ -14,8 +14,9 @@ use servo_util::str::DOMString;
 use collections::hashmap::HashMap;
 use libc;
 use libc::c_uint;
-use std::mem;
+use std::cell::Cell;
 use std::cmp::Eq;
+use std::mem;
 use std::ptr;
 use std::ptr::null;
 use std::slice;
@@ -401,7 +402,6 @@ pub fn initialize_global(global: *mut JSObject) {
 
 pub trait Reflectable {
     fn reflector<'a>(&'a self) -> &'a Reflector;
-    fn mut_reflector<'a>(&'a mut self) -> &'a mut Reflector;
 }
 
 pub fn reflect_dom_object<T: Reflectable>
@@ -415,31 +415,33 @@ pub fn reflect_dom_object<T: Reflectable>
 #[allow(raw_pointer_deriving)]
 #[deriving(Eq)]
 pub struct Reflector {
-    object: *mut JSObject,
+    object: Cell<*mut JSObject>,
 }
 
 impl Reflector {
     #[inline]
     pub fn get_jsobject(&self) -> *mut JSObject {
-        self.object
+        self.object.get()
     }
 
-    pub fn set_jsobject(&mut self, object: *mut JSObject) {
-        assert!(self.object.is_null());
+    pub fn set_jsobject(&self, object: *mut JSObject) {
+        assert!(self.object.get().is_null());
         assert!(object.is_not_null());
-        self.object = object;
+        self.object.set(object);
     }
 
     /// Return a pointer to the memory location at which the JS reflector object is stored.
     /// Used by Temporary values to root the reflector, as required by the JSAPI rooting
     /// APIs.
-    pub fn rootable<'a>(&'a mut self) -> &'a mut *mut JSObject {
-        &mut self.object
+    pub fn rootable(&self) -> *mut *mut JSObject {
+        &self.object as *Cell<*mut JSObject>
+                     as *mut Cell<*mut JSObject>
+                     as *mut *mut JSObject
     }
 
     pub fn new() -> Reflector {
         Reflector {
-            object: ptr::mut_null(),
+            object: Cell::new(ptr::mut_null()),
         }
     }
 }