mozilla-firefox
diff --git a/‎dom/base/nsContentUtils.cpp‎
Lines changed: 8 additions & 0 deletions b/‎dom/base/nsContentUtils.cpp‎
Lines changed: 8 additions & 0 deletions
diff --git a/‎testing/web-platform/meta/html/webappapis/structured-clone/structured-clone-cross-realm-method.html.ini‎
Lines changed: 0 additions & 12 deletions b/‎testing/web-platform/meta/html/webappapis/structured-clone/structured-clone-cross-realm-method.html.ini‎
Lines changed: 0 additions & 12 deletions
@@ -11894,6 +11894,9 @@ void nsContentUtils::StructuredClone(JSContext* aCx, nsIGlobalObject* aGlobal,
     clonePolicy.allowSharedMemoryObjects();
   }
 
+  // 2.7.10 Structured cloning API
+  // Step 1: Let serialized be
+  //   ? StructuredSerializeWithTransfer(value, options["transfer"])
   StructuredCloneHolder holder(StructuredCloneHolder::CloningSupported,
                                StructuredCloneHolder::TransferringSupported,
                                JS::StructuredCloneScope::SameProcess);
@@ -11902,11 +11905,16 @@ void nsContentUtils::StructuredClone(JSContext* aCx, nsIGlobalObject* aGlobal,
     return;
   }
 
+  // Step 2: Let deserializeRecord be
+  //   ? StructuredDeserializeWithTransfer(serialized, this's relevant realm).
+  JSAutoRealm ar(aCx, aGlobal->GetGlobalJSObject());
   holder.Read(aCx, aRetval, clonePolicy, aError);
   if (NS_WARN_IF(aError.Failed())) {
     return;
   }
 
+  // Step 3: Return deserializeRecord.[[Deserialized]].
+  //   (discarding deserializeRecord.[[TransferredValues]])
   nsTArray<RefPtr<MessagePort>> ports = holder.TakeTransferredPorts();
   (void)ports;
 }
Original file line number	Diff line number	Diff line change
`@@ -11894,6 +11894,9 @@ void nsContentUtils::StructuredClone(JSContext* aCx, nsIGlobalObject* aGlobal,`
`11894`	`11894`	`clonePolicy.allowSharedMemoryObjects();`
`11895`	`11895`	`}`
`11896`	`11896`
	`11897`	`+ // 2.7.10 Structured cloning API`
	`11898`	`+ // Step 1: Let serialized be`
	`11899`	`+ // ? StructuredSerializeWithTransfer(value, options["transfer"])`
`11897`	`11900`	`StructuredCloneHolder holder(StructuredCloneHolder::CloningSupported,`
`11898`	`11901`	`StructuredCloneHolder::TransferringSupported,`
`11899`	`11902`	`JS::StructuredCloneScope::SameProcess);`
`@@ -11902,11 +11905,16 @@ void nsContentUtils::StructuredClone(JSContext* aCx, nsIGlobalObject* aGlobal,`
`11902`	`11905`	`return;`
`11903`	`11906`	`}`
`11904`	`11907`
	`11908`	`+ // Step 2: Let deserializeRecord be`
	`11909`	`+ // ? StructuredDeserializeWithTransfer(serialized, this's relevant realm).`
	`11910`	`+ JSAutoRealm ar(aCx, aGlobal->GetGlobalJSObject());`
`11905`	`11911`	`holder.Read(aCx, aRetval, clonePolicy, aError);`
`11906`	`11912`	`if (NS_WARN_IF(aError.Failed())) {`
`11907`	`11913`	`return;`
`11908`	`11914`	`}`
`11909`	`11915`
	`11916`	`+ // Step 3: Return deserializeRecord.[[Deserialized]].`
	`11917`	`+ // (discarding deserializeRecord.[[TransferredValues]])`
`11910`	`11918`	`nsTArray<RefPtr<MessagePort>> ports = holder.TakeTransferredPorts();`
`11911`	`11919`	`(void)ports;`
`11912`	`11920`	`}`