2 files changed, 14 insertions, 9 deletions
diff --git a/components/script/dom/bindings/js.rs b/components/script/dom/bindings/js.rs
index 72f4c16e832..f390a6444ee 100644
--- a/components/script/dom/bindings/js.rs
+++ b/components/script/dom/bindings/js.rs
@@ -91,6 +91,12 @@ impl<T: Reflectable> Unrooted<T> {
         }
     }
 
+    /// Create a new unrooted value from a `Temporary<T>`.
+    #[allow(unrooted_must_root)]
+    pub fn from_temporary(ptr: Temporary<T>) -> Unrooted<T> {
+        Unrooted::from_js(ptr.inner)
+    }
+
     /// Get the `Reflector` for this pointer.
     pub fn reflector<'a>(&'a self) -> &'a Reflector {
         unsafe {
diff --git a/components/script/dom/window.rs b/components/script/dom/window.rs
index 038ec358f73..88178374a45 100644
--- a/components/script/dom/window.rs
+++ b/components/script/dom/window.rs
@@ -155,6 +155,14 @@ pub struct Window {
 }
 
 impl Window {
+    #[allow(unsafe_code)]
+    pub fn clear_js_context_for_script_deallocation(&self) {
+        unsafe {
+            *self.js_context.borrow_for_script_deallocation() = None;
+            *self.browser_context.borrow_for_script_deallocation() = None;
+        }
+    }
+
     pub fn get_cx(&self) -> *mut JSContext {
         self.js_context.borrow().as_ref().unwrap().ptr
     }
@@ -425,7 +433,6 @@ impl<'a> WindowMethods for JSRef<'a, Window> {
 
 pub trait WindowHelpers {
     fn clear_js_context(self);
-    fn clear_js_context_for_script_deallocation(self);
     fn init_browser_context(self, doc: JSRef<Document>, frame_element: Option<JSRef<Element>>);
     fn load_url(self, href: DOMString);
     fn handle_fire_timer(self, timer_id: TimerId);
@@ -499,14 +506,6 @@ impl<'a> WindowHelpers for JSRef<'a, Window> {
         *self.browser_context.borrow_mut() = None;
     }
 
-    #[allow(unsafe_code)]
-    fn clear_js_context_for_script_deallocation(self) {
-        unsafe {
-            *self.js_context.borrow_for_script_deallocation() = None;
-            *self.browser_context.borrow_for_script_deallocation() = None;
-        }
-    }
-
     /// Reflows the page if it's possible to do so and the page is dirty. This method will wait
     /// for the layout thread to complete (but see the `TODO` below). If there is no window size
     /// yet, the page is presumed invisible and no reflow is performed.