Add proof parameter to Promise::new_in_current_compartment

1 files changed, 6 insertions, 2 deletions

diff --git a/components/script/dom/offlineaudiocontext.rs b/components/script/dom/offlineaudiocontext.rs
index 2fba02bc88a..c526ae9a890 100644
--- a/components/script/dom/offlineaudiocontext.rs
+++ b/components/script/dom/offlineaudiocontext.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 https://mozilla.org/MPL/2.0/. */
 
+use crate::compartments::{AlreadyInCompartment, InCompartment};
 use crate::dom::audiobuffer::{AudioBuffer, MAX_SAMPLE_RATE, MIN_SAMPLE_RATE};
 use crate::dom::audionode::MAX_CHANNEL_COUNT;
 use crate::dom::baseaudiocontext::{BaseAudioContext, BaseAudioContextOptions};
@@ -113,9 +114,12 @@ impl OfflineAudioContextMethods for OfflineAudioContext {
     }
 
     // https://webaudio.github.io/web-audio-api/#dom-offlineaudiocontext-startrendering
-    #[allow(unsafe_code)]
     fn StartRendering(&self) -> Rc<Promise> {
-        let promise = unsafe { Promise::new_in_current_compartment(&self.global()) };
+        let in_compartment_proof = AlreadyInCompartment::assert(&self.global());
+        let promise = Promise::new_in_current_compartment(
+            &self.global(),
+            &InCompartment::Already(&in_compartment_proof),
+        );
         if self.rendering_started.get() {
             promise.reject_error(Error::InvalidState);
             return promise;