2 files changed, 5 insertions, 5 deletions
diff --git a/dom/webtransport/api/WebTransportDatagramDuplexStream.cpp b/dom/webtransport/api/WebTransportDatagramDuplexStream.cpp
index 30d7451414..b40991c9a1 100644
--- a/dom/webtransport/api/WebTransportDatagramDuplexStream.cpp
+++ b/dom/webtransport/api/WebTransportDatagramDuplexStream.cpp
@@ -258,7 +258,7 @@ NS_IMPL_ADDREF_INHERITED(OutgoingDatagramStreamAlgorithms,
 NS_IMPL_RELEASE_INHERITED(OutgoingDatagramStreamAlgorithms,
                           UnderlyingSinkAlgorithmsWrapper)
 
-already_AddRefed<Promise> OutgoingDatagramStreamAlgorithms::WriteCallback(
+already_AddRefed<Promise> OutgoingDatagramStreamAlgorithms::WriteCallbackImpl(
     JSContext* aCx, JS::Handle<JS::Value> aChunk,
     WritableStreamDefaultController& aController, ErrorResult& aError) {
   // https://w3c.github.io/webtransport/#writedatagrams
@@ -269,9 +269,9 @@ already_AddRefed<Promise> OutgoingDatagramStreamAlgorithms::WriteCallback(
   // rejected with a TypeError. { BufferSource == ArrayBuffer/ArrayBufferView }
   ArrayBufferViewOrArrayBuffer arrayBuffer;
   if (!arrayBuffer.Init(aCx, aChunk)) {
-    return Promise::CreateRejectedWithTypeError(
-        mDatagrams->GetParentObject(),
-        "Wrong type for Datagram stream write"_ns, aError);
+    JS_ClearPendingException(aCx);
+    aError.ThrowTypeError("Wrong type for Datagram stream write"_ns);
+    return nullptr;
   }
 
   // Step 3: Let datagrams be transport.[[Datagrams]].
diff --git a/dom/webtransport/api/WebTransportDatagramDuplexStream.h b/dom/webtransport/api/WebTransportDatagramDuplexStream.h
index 510cbcac71..a9f8ce7b56 100644
--- a/dom/webtransport/api/WebTransportDatagramDuplexStream.h
+++ b/dom/webtransport/api/WebTransportDatagramDuplexStream.h
@@ -71,7 +71,7 @@ class OutgoingDatagramStreamAlgorithms final
 
   // Streams algorithms
 
-  already_AddRefed<Promise> WriteCallback(
+  already_AddRefed<Promise> WriteCallbackImpl(
       JSContext* aCx, JS::Handle<JS::Value> aChunk,
       WritableStreamDefaultController& aController,
       ErrorResult& aError) override;