1 files changed, 6 insertions, 0 deletions
diff --git a/components/script/dom/progressevent.rs b/components/script/dom/progressevent.rs
index fc24b6c3017..985cc289d61 100644
--- a/components/script/dom/progressevent.rs
+++ b/components/script/dom/progressevent.rs
@@ -2,6 +2,7 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
+use dom::bindings::codegen::Bindings::EventBinding::EventMethods;
 use dom::bindings::codegen::Bindings::ProgressEventBinding;
 use dom::bindings::codegen::Bindings::ProgressEventBinding::ProgressEventMethods;
 use dom::bindings::error::Fallible;
@@ -70,4 +71,9 @@ impl ProgressEventMethods for ProgressEvent {
     fn Total(&self) -> u64 {
         self.total
     }
+
+    // https://dom.spec.whatwg.org/#dom-event-istrusted
+    fn IsTrusted(&self) -> bool {
+        self.event.IsTrusted()
+    }
 }