1 files changed, 10 insertions, 0 deletions
diff --git a/src/components/script/dom/bindings/js.rs b/src/components/script/dom/bindings/js.rs
index 6a57b45449f..ab8b3e3c7f5 100644
--- a/src/components/script/dom/bindings/js.rs
+++ b/src/components/script/dom/bindings/js.rs
@@ -48,6 +48,7 @@
 use dom::bindings::utils::{Reflector, Reflectable};
 use dom::node::Node;
 use dom::xmlhttprequest::{XMLHttpRequest, TrustedXHRAddress};
+use dom::worker::{Worker, TrustedWorkerAddress};
 use js::jsapi::JSObject;
 use layout_interface::TrustedNodeAddress;
 use script_task::StackRoots;
@@ -143,6 +144,15 @@ impl JS<XMLHttpRequest> {
     }
 }
 
+impl JS<Worker> {
+    pub unsafe fn from_trusted_worker_address(inner: TrustedWorkerAddress) -> JS<Worker> {
+        let TrustedWorkerAddress(addr) = inner;
+        JS {
+            ptr: addr as *const Worker
+        }
+    }
+}
+
 impl<T: Reflectable> JS<T> {
     /// Create a new JS-owned value wrapped from a raw Rust pointer.
     pub unsafe fn from_raw(raw: *const T) -> JS<T> {