Pass InCompartment by value

23 files changed, 49 insertions, 48 deletions

diff --git a/components/script/dom/audiocontext.rs b/components/script/dom/audiocontext.rs
index 7e3bed85e06..3147f9bfb0a 100644
--- a/components/script/dom/audiocontext.rs
+++ b/components/script/dom/audiocontext.rs
@@ -113,7 +113,7 @@ impl AudioContextMethods for AudioContext {
         let in_compartment_proof = AlreadyInCompartment::assert(&self.global());
         let promise = Promise::new_in_current_compartment(
             &self.global(),
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
 
         // Step 2.
@@ -178,7 +178,7 @@ impl AudioContextMethods for AudioContext {
         let in_compartment_proof = AlreadyInCompartment::assert(&self.global());
         let promise = Promise::new_in_current_compartment(
             &self.global(),
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
 
         // Step 2.
diff --git a/components/script/dom/baseaudiocontext.rs b/components/script/dom/baseaudiocontext.rs
index e18a2f8ede8..1d69532c8b1 100644
--- a/components/script/dom/baseaudiocontext.rs
+++ b/components/script/dom/baseaudiocontext.rs
@@ -277,7 +277,7 @@ impl BaseAudioContextMethods for BaseAudioContext {
         let in_compartment_proof = AlreadyInCompartment::assert(&self.global());
         let promise = Promise::new_in_current_compartment(
             &self.global(),
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
 
         // Step 2.
@@ -418,7 +418,7 @@ impl BaseAudioContextMethods for BaseAudioContext {
         let in_compartment_proof = AlreadyInCompartment::assert(&self.global());
         let promise = Promise::new_in_current_compartment(
             &self.global(),
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
         let global = self.global();
         let window = global.as_window();
diff --git a/components/script/dom/bluetooth.rs b/components/script/dom/bluetooth.rs
index dc57af6b1cb..4b31a4b765e 100644
--- a/components/script/dom/bluetooth.rs
+++ b/components/script/dom/bluetooth.rs
@@ -295,7 +295,7 @@ where
     let in_compartment_proof = AlreadyInCompartment::assert(&attribute.global());
     let p = Promise::new_in_current_compartment(
         &attribute.global(),
-        &InCompartment::Already(&in_compartment_proof),
+        InCompartment::Already(&in_compartment_proof),
     );
 
     let result_uuid = if let Some(u) = uuid {
@@ -539,7 +539,7 @@ impl BluetoothMethods for Bluetooth {
         let in_compartment_proof = AlreadyInCompartment::assert(&self.global());
         let p = Promise::new_in_current_compartment(
             &self.global(),
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
         // Step 1.
         if (option.filters.is_some() && option.acceptAllDevices) ||
@@ -561,7 +561,7 @@ impl BluetoothMethods for Bluetooth {
         let in_compartment_proof = AlreadyInCompartment::assert(&self.global());
         let p = Promise::new_in_current_compartment(
             &self.global(),
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
         // Step 1. We did not override the method
         // Step 2 - 3. in handle_response
diff --git a/components/script/dom/bluetoothdevice.rs b/components/script/dom/bluetoothdevice.rs
index a1ec00f4b3a..8ca7643737c 100644
--- a/components/script/dom/bluetoothdevice.rs
+++ b/components/script/dom/bluetoothdevice.rs
@@ -282,7 +282,7 @@ impl BluetoothDeviceMethods for BluetoothDevice {
         let in_compartment_proof = AlreadyInCompartment::assert(&self.global());
         let p = Promise::new_in_current_compartment(
             &self.global(),
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
         let sender = response_async(&p, self);
         // TODO: Step 1.
diff --git a/components/script/dom/bluetoothremotegattcharacteristic.rs b/components/script/dom/bluetoothremotegattcharacteristic.rs
index aa6d95ddb59..440e0523492 100644
--- a/components/script/dom/bluetoothremotegattcharacteristic.rs
+++ b/components/script/dom/bluetoothremotegattcharacteristic.rs
@@ -139,7 +139,7 @@ impl BluetoothRemoteGATTCharacteristicMethods for BluetoothRemoteGATTCharacteris
         let in_compartment_proof = AlreadyInCompartment::assert(&self.global());
         let p = Promise::new_in_current_compartment(
             &self.global(),
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
 
         // Step 1.
@@ -176,7 +176,7 @@ impl BluetoothRemoteGATTCharacteristicMethods for BluetoothRemoteGATTCharacteris
         let in_compartment_proof = AlreadyInCompartment::assert(&self.global());
         let p = Promise::new_in_current_compartment(
             &self.global(),
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
 
         // Step 1.
@@ -231,7 +231,7 @@ impl BluetoothRemoteGATTCharacteristicMethods for BluetoothRemoteGATTCharacteris
         let in_compartment_proof = AlreadyInCompartment::assert(&self.global());
         let p = Promise::new_in_current_compartment(
             &self.global(),
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
 
         // Step 1.
@@ -272,7 +272,7 @@ impl BluetoothRemoteGATTCharacteristicMethods for BluetoothRemoteGATTCharacteris
         let in_compartment_proof = AlreadyInCompartment::assert(&self.global());
         let p = Promise::new_in_current_compartment(
             &self.global(),
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
         let sender = response_async(&p, self);
 
diff --git a/components/script/dom/bluetoothremotegattdescriptor.rs b/components/script/dom/bluetoothremotegattdescriptor.rs
index aaeb1145422..b4483db0410 100644
--- a/components/script/dom/bluetoothremotegattdescriptor.rs
+++ b/components/script/dom/bluetoothremotegattdescriptor.rs
@@ -98,7 +98,7 @@ impl BluetoothRemoteGATTDescriptorMethods for BluetoothRemoteGATTDescriptor {
         let in_compartment_proof = AlreadyInCompartment::assert(&self.global());
         let p = Promise::new_in_current_compartment(
             &self.global(),
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
 
         // Step 1.
@@ -134,7 +134,7 @@ impl BluetoothRemoteGATTDescriptorMethods for BluetoothRemoteGATTDescriptor {
         let in_compartment_proof = AlreadyInCompartment::assert(&self.global());
         let p = Promise::new_in_current_compartment(
             &self.global(),
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
 
         // Step 1.
diff --git a/components/script/dom/bluetoothremotegattserver.rs b/components/script/dom/bluetoothremotegattserver.rs
index 0693599e742..19f1ba154ca 100644
--- a/components/script/dom/bluetoothremotegattserver.rs
+++ b/components/script/dom/bluetoothremotegattserver.rs
@@ -76,7 +76,7 @@ impl BluetoothRemoteGATTServerMethods for BluetoothRemoteGATTServer {
         let in_compartment_proof = AlreadyInCompartment::assert(&self.global());
         let p = Promise::new_in_current_compartment(
             &self.global(),
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
         let sender = response_async(&p, self);
 
diff --git a/components/script/dom/customelementregistry.rs b/components/script/dom/customelementregistry.rs
index e75d9b03da2..ee62c827637 100644
--- a/components/script/dom/customelementregistry.rs
+++ b/components/script/dom/customelementregistry.rs
@@ -409,7 +409,7 @@ impl CustomElementRegistryMethods for CustomElementRegistry {
             let in_compartment_proof = AlreadyInCompartment::assert(&global_scope);
             let promise = Promise::new_in_current_compartment(
                 &global_scope,
-                &InCompartment::Already(&in_compartment_proof),
+                InCompartment::Already(&in_compartment_proof),
             );
             promise.reject_native(&DOMException::new(&global_scope, DOMErrorName::SyntaxError));
             return promise;
@@ -420,7 +420,7 @@ impl CustomElementRegistryMethods for CustomElementRegistry {
             let in_compartment_proof = AlreadyInCompartment::assert(&global_scope);
             let promise = Promise::new_in_current_compartment(
                 &global_scope,
-                &InCompartment::Already(&in_compartment_proof),
+                InCompartment::Already(&in_compartment_proof),
             );
             promise.resolve_native(&UndefinedValue());
             return promise;
@@ -434,7 +434,7 @@ impl CustomElementRegistryMethods for CustomElementRegistry {
             let in_compartment_proof = AlreadyInCompartment::assert(&global_scope);
             let promise = Promise::new_in_current_compartment(
                 &global_scope,
-                &InCompartment::Already(&in_compartment_proof),
+                InCompartment::Already(&in_compartment_proof),
             );
             map.insert(name, promise.clone());
             promise
diff --git a/components/script/dom/document.rs b/components/script/dom/document.rs
index 7d4950caa66..4fec01bd38c 100644
--- a/components/script/dom/document.rs
+++ b/components/script/dom/document.rs
@@ -3135,7 +3135,7 @@ impl Document {
         let in_compartment_proof = AlreadyInCompartment::assert(&self.global());
         let promise = Promise::new_in_current_compartment(
             &self.global(),
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
         let mut error = false;
 
@@ -3206,7 +3206,7 @@ impl Document {
         let in_compartment_proof = AlreadyInCompartment::assert(&global);
         let promise = Promise::new_in_current_compartment(
             &global,
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
         // Step 2
         if self.fullscreen_element.get().is_none() {
diff --git a/components/script/dom/htmlmediaelement.rs b/components/script/dom/htmlmediaelement.rs
index 252755cb64e..aeba3794310 100644
--- a/components/script/dom/htmlmediaelement.rs
+++ b/components/script/dom/htmlmediaelement.rs
@@ -1688,7 +1688,7 @@ impl HTMLMediaElementMethods for HTMLMediaElement {
         let in_compartment_proof = AlreadyInCompartment::assert(&self.global());
         let promise = Promise::new_in_current_compartment(
             &self.global(),
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
         // Step 1.
         // FIXME(nox): Reject promise if not allowed to play.
diff --git a/components/script/dom/mediadevices.rs b/components/script/dom/mediadevices.rs
index eca54b1fd57..0a4f00e2472 100644
--- a/components/script/dom/mediadevices.rs
+++ b/components/script/dom/mediadevices.rs
@@ -48,7 +48,7 @@ impl MediaDevicesMethods for MediaDevices {
         let in_compartment_proof = AlreadyInCompartment::assert(&self.global());
         let p = Promise::new_in_current_compartment(
             &self.global(),
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
         let media = ServoMedia::get().unwrap();
         let mut tracks = vec![];
diff --git a/components/script/dom/navigationpreloadmanager.rs b/components/script/dom/navigationpreloadmanager.rs
index a170acda4bc..a1e3c9de923 100644
--- a/components/script/dom/navigationpreloadmanager.rs
+++ b/components/script/dom/navigationpreloadmanager.rs
@@ -48,7 +48,7 @@ impl NavigationPreloadManagerMethods for NavigationPreloadManager {
         let in_compartment_proof = AlreadyInCompartment::assert(&*self.global());
         let promise = Promise::new_in_current_compartment(
             &*self.global(),
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
 
         // 2.
@@ -74,7 +74,7 @@ impl NavigationPreloadManagerMethods for NavigationPreloadManager {
         let in_compartment_proof = AlreadyInCompartment::assert(&*self.global());
         let promise = Promise::new_in_current_compartment(
             &*self.global(),
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
 
         // 2.
@@ -100,7 +100,7 @@ impl NavigationPreloadManagerMethods for NavigationPreloadManager {
         let in_compartment_proof = AlreadyInCompartment::assert(&*self.global());
         let promise = Promise::new_in_current_compartment(
             &*self.global(),
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
 
         // 2.
@@ -126,7 +126,7 @@ impl NavigationPreloadManagerMethods for NavigationPreloadManager {
         let in_compartment_proof = AlreadyInCompartment::assert(&*self.global());
         let promise = Promise::new_in_current_compartment(
             &*self.global(),
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
         // 2.
         let mut state = NavigationPreloadState::empty();
diff --git a/components/script/dom/navigator.rs b/components/script/dom/navigator.rs
index e7e93415b85..9d1a0de8e2e 100644
--- a/components/script/dom/navigator.rs
+++ b/components/script/dom/navigator.rs
@@ -155,7 +155,7 @@ impl NavigatorMethods for Navigator {
         let in_compartment_proof = AlreadyInCompartment::assert(&self.global());
         let promise = Promise::new_in_current_compartment(
             &self.global(),
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
         let displays = self.Xr().get_displays();
         match displays {
diff --git a/components/script/dom/offlineaudiocontext.rs b/components/script/dom/offlineaudiocontext.rs
index c526ae9a890..a4d6c54c9ca 100644
--- a/components/script/dom/offlineaudiocontext.rs
+++ b/components/script/dom/offlineaudiocontext.rs
@@ -118,7 +118,7 @@ impl OfflineAudioContextMethods for OfflineAudioContext {
         let in_compartment_proof = AlreadyInCompartment::assert(&self.global());
         let promise = Promise::new_in_current_compartment(
             &self.global(),
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
         if self.rendering_started.get() {
             promise.reject_error(Error::InvalidState);
diff --git a/components/script/dom/permissions.rs b/components/script/dom/permissions.rs
index e6eba6a5082..e7d3b600814 100644
--- a/components/script/dom/permissions.rs
+++ b/components/script/dom/permissions.rs
@@ -102,7 +102,7 @@ impl Permissions {
                 let in_compartment_proof = AlreadyInCompartment::assert(&self.global());
                 Promise::new_in_current_compartment(
                     &self.global(),
-                    &InCompartment::Already(&in_compartment_proof),
+                    InCompartment::Already(&in_compartment_proof),
                 )
             },
         };
diff --git a/components/script/dom/promise.rs b/components/script/dom/promise.rs
index 52e6dfab56a..b4e3109e789 100644
--- a/components/script/dom/promise.rs
+++ b/components/script/dom/promise.rs
@@ -11,7 +11,7 @@
 //! native Promise values that refer to the same JS value yet are distinct native objects
 //! (ie. address equality for the native objects is meaningless).
 
-use crate::compartments::InCompartment;
+use crate::compartments::{AlreadyInCompartment, InCompartment};
 use crate::dom::bindings::conversions::root_from_object;
 use crate::dom::bindings::error::{Error, Fallible};
 use crate::dom::bindings::reflector::{DomObject, MutDomObject, Reflector};
@@ -80,12 +80,13 @@ impl Drop for Promise {
 }
 
 impl Promise {
-    pub fn new(global: &GlobalScope, comp: &InCompartment) -> Rc<Promise> {
-        Promise::new_in_current_compartment(global, comp)
+    pub fn new(global: &GlobalScope) -> Rc<Promise> {
+        let comp = AlreadyInCompartment::assert(&global);
+        Promise::new_in_current_compartment(global, InCompartment::Already(&comp))
     }
 
     #[allow(unsafe_code)]
-    pub fn new_in_current_compartment(global: &GlobalScope, _comp: &InCompartment) -> Rc<Promise> {
+    pub fn new_in_current_compartment(global: &GlobalScope, _comp: InCompartment) -> Rc<Promise> {
         let cx = global.get_cx();
         rooted!(in(cx) let mut obj = ptr::null_mut::<JSObject>());
         unsafe {
diff --git a/components/script/dom/rtcpeerconnection.rs b/components/script/dom/rtcpeerconnection.rs
index 163f84a89da..962eb0fb02c 100644
--- a/components/script/dom/rtcpeerconnection.rs
+++ b/components/script/dom/rtcpeerconnection.rs
@@ -432,7 +432,7 @@ impl RTCPeerConnectionMethods for RTCPeerConnection {
         let in_compartment_proof = AlreadyInCompartment::assert(&self.global());
         let p = Promise::new_in_current_compartment(
             &self.global(),
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
         if candidate.sdpMid.is_none() && candidate.sdpMLineIndex.is_none() {
             p.reject_error(Error::Type(format!(
@@ -471,7 +471,7 @@ impl RTCPeerConnectionMethods for RTCPeerConnection {
         let in_compartment_proof = AlreadyInCompartment::assert(&self.global());
         let p = Promise::new_in_current_compartment(
             &self.global(),
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
         if self.closed.get() {
             p.reject_error(Error::InvalidState);
@@ -487,7 +487,7 @@ impl RTCPeerConnectionMethods for RTCPeerConnection {
         let in_compartment_proof = AlreadyInCompartment::assert(&self.global());
         let p = Promise::new_in_current_compartment(
             &self.global(),
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
         if self.closed.get() {
             p.reject_error(Error::InvalidState);
@@ -514,7 +514,7 @@ impl RTCPeerConnectionMethods for RTCPeerConnection {
         let in_compartment_proof = AlreadyInCompartment::assert(&self.global());
         let p = Promise::new_in_current_compartment(
             &self.global(),
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
         let this = Trusted::new(self);
         let desc: SessionDescription = desc.into();
@@ -551,7 +551,7 @@ impl RTCPeerConnectionMethods for RTCPeerConnection {
         let in_compartment_proof = AlreadyInCompartment::assert(&self.global());
         let p = Promise::new_in_current_compartment(
             &self.global(),
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
         let this = Trusted::new(self);
         let desc: SessionDescription = desc.into();
diff --git a/components/script/dom/serviceworkercontainer.rs b/components/script/dom/serviceworkercontainer.rs
index 202a973f851..a8eada04678 100644
--- a/components/script/dom/serviceworkercontainer.rs
+++ b/components/script/dom/serviceworkercontainer.rs
@@ -60,7 +60,7 @@ impl ServiceWorkerContainerMethods for ServiceWorkerContainer {
         let in_compartment_proof = AlreadyInCompartment::assert(&*self.global());
         let promise = Promise::new_in_current_compartment(
             &*self.global(),
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
         let USVString(ref script_url) = script_url;
         let api_base_url = self.global().api_base_url();
diff --git a/components/script/dom/testbinding.rs b/components/script/dom/testbinding.rs
index a1515340199..99e294e75e9 100644
--- a/components/script/dom/testbinding.rs
+++ b/components/script/dom/testbinding.rs
@@ -1024,7 +1024,7 @@ impl TestBindingMethods for TestBinding {
         let in_compartment_proof = AlreadyInCompartment::assert(&global);
         let p = Promise::new_in_current_compartment(
             &global,
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
         p.append_native_handler(&handler);
         return p;
@@ -1052,7 +1052,7 @@ impl TestBindingMethods for TestBinding {
         let in_compartment_proof = AlreadyInCompartment::assert(&self.global());
         Promise::new_in_current_compartment(
             &self.global(),
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         )
     }
 
diff --git a/components/script/dom/vrdisplay.rs b/components/script/dom/vrdisplay.rs
index e98ca1ad1ec..a8cb594a2b1 100644
--- a/components/script/dom/vrdisplay.rs
+++ b/components/script/dom/vrdisplay.rs
@@ -346,7 +346,7 @@ impl VRDisplayMethods for VRDisplay {
         let in_compartment_proof = AlreadyInCompartment::assert(&self.global());
         let promise = Promise::new_in_current_compartment(
             &self.global(),
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
         // TODO: WebVR spec: this method must be called in response to a user gesture
 
@@ -414,7 +414,7 @@ impl VRDisplayMethods for VRDisplay {
         let in_compartment_proof = AlreadyInCompartment::assert(&self.global());
         let promise = Promise::new_in_current_compartment(
             &self.global(),
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
 
         // WebVR spec: If the VRDisplay is not presenting the promise MUST be rejected.
diff --git a/components/script/dom/worklet.rs b/components/script/dom/worklet.rs
index caccf0609d4..90421efac61 100644
--- a/components/script/dom/worklet.rs
+++ b/components/script/dom/worklet.rs
@@ -117,7 +117,7 @@ impl WorkletMethods for Worklet {
         let in_compartment_proof = AlreadyInCompartment::assert(&global);
         let promise = Promise::new_in_current_compartment(
             &global,
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
 
         // Step 3.
diff --git a/components/script/dom/xr.rs b/components/script/dom/xr.rs
index cd963c4cf03..3ff67b0042c 100644
--- a/components/script/dom/xr.rs
+++ b/components/script/dom/xr.rs
@@ -89,7 +89,7 @@ impl XRMethods for XR {
         let in_compartment_proof = AlreadyInCompartment::assert(&self.global());
         let promise = Promise::new_in_current_compartment(
             &self.global(),
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
         if mode == XRSessionMode::Immersive_vr {
             promise.resolve_native(&());
@@ -106,7 +106,7 @@ impl XRMethods for XR {
         let in_compartment_proof = AlreadyInCompartment::assert(&self.global());
         let promise = Promise::new_in_current_compartment(
             &self.global(),
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
         if options.mode != XRSessionMode::Immersive_vr {
             promise.reject_error(Error::NotSupported);
diff --git a/components/script/dom/xrsession.rs b/components/script/dom/xrsession.rs
index 7633775ebc6..4b855cba4c8 100644
--- a/components/script/dom/xrsession.rs
+++ b/components/script/dom/xrsession.rs
@@ -94,7 +94,7 @@ impl XRSessionMethods for XRSession {
         let in_compartment_proof = AlreadyInCompartment::assert(&self.global());
         let p = Promise::new_in_current_compartment(
             &self.global(),
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
         self.display.queue_renderstate(init, p.clone());
         p
@@ -120,7 +120,7 @@ impl XRSessionMethods for XRSession {
         let in_compartment_proof = AlreadyInCompartment::assert(&self.global());
         let p = Promise::new_in_current_compartment(
             &self.global(),
-            &InCompartment::Already(&in_compartment_proof),
+            InCompartment::Already(&in_compartment_proof),
         );
 
         // https://immersive-web.github.io/webxr/#create-a-reference-space