From a1c22cb03401a516ca4b396a905b3c140c597882 Mon Sep 17 00:00:00 2001
From: Basilisk-Dev <basiliskdev@protonmail.com>
Date: Mon, 9 Oct 2023 17:07:05 -0400
Subject: [PATCH] Issue #2332 - Have createOffer/Answer resolve with
 dictionaries

Backport of https://bugzilla.mozilla.org/show_bug.cgi?id=1263312 part 4
---
 dom/media/PeerConnection.js | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/dom/media/PeerConnection.js b/dom/media/PeerConnection.js
index 712c2b0d13..e4612f8316 100644
--- a/dom/media/PeerConnection.js
+++ b/dom/media/PeerConnection.js
@@ -739,8 +739,7 @@ RTCPeerConnection.prototype = {
             this._impl.createOffer(options);
           }));
         p = this._addIdentityAssertion(p, origin);
-        return p.then(
-          sdp => new this._win.RTCSessionDescription({ type: "offer", sdp: sdp }));
+        return p.then(sdp => Cu.cloneInto({ type: "offer", sdp: sdp }, this._win));
       });
     });
   },
@@ -774,9 +773,7 @@ RTCPeerConnection.prototype = {
             this._impl.createAnswer();
           }));
         p = this._addIdentityAssertion(p, origin);
-        return p.then(sdp => {
-          return new this._win.RTCSessionDescription({ type: "answer", sdp: sdp });
-        });
+        return p.then(sdp => Cu.cloneInto({ type: "answer", sdp: sdp }, this._win));
       });
     });
   },
@@ -1137,8 +1134,7 @@ RTCPeerConnection.prototype = {
       return null;
     }
 
-    return new this._win.RTCSessionDescription({ type: this._localType,
-                                                    sdp: sdp });
+    return new this._win.RTCSessionDescription({ type: this._localType, sdp });
   },
 
   get remoteDescription() {
@@ -1147,8 +1143,7 @@ RTCPeerConnection.prototype = {
     if (sdp.length == 0) {
       return null;
     }
-    return new this._win.RTCSessionDescription({ type: this._remoteType,
-                                                    sdp: sdp });
+    return new this._win.RTCSessionDescription({ type: this._remoteType, sdp });
   },
 
   get peerIdentity() { return this._peerIdentity; },