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
@@ -11928,6 +11928,9 @@ 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);
@@ -11936,11 +11939,16 @@ 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
`@@ -11928,6 +11928,9 @@ void nsContentUtils::StructuredClone(JSContext* aCx, nsIGlobalObject* aGlobal,`
`11928`	`11928`	`clonePolicy.allowSharedMemoryObjects();`
`11929`	`11929`	`}`
`11930`	`11930`
	`11931`	`+ // 2.7.10 Structured cloning API`
	`11932`	`+ // Step 1: Let serialized be`
	`11933`	`+ // ? StructuredSerializeWithTransfer(value, options["transfer"])`
`11931`	`11934`	`StructuredCloneHolder holder(StructuredCloneHolder::CloningSupported,`
`11932`	`11935`	`StructuredCloneHolder::TransferringSupported,`
`11933`	`11936`	`JS::StructuredCloneScope::SameProcess);`
`@@ -11936,11 +11939,16 @@ void nsContentUtils::StructuredClone(JSContext* aCx, nsIGlobalObject* aGlobal,`
`11936`	`11939`	`return;`
`11937`	`11940`	`}`
`11938`	`11941`
	`11942`	`+ // Step 2: Let deserializeRecord be`
	`11943`	`+ // ? StructuredDeserializeWithTransfer(serialized, this's relevant realm).`
	`11944`	`+ JSAutoRealm ar(aCx, aGlobal->GetGlobalJSObject());`
`11939`	`11945`	`holder.Read(aCx, aRetval, clonePolicy, aError);`
`11940`	`11946`	`if (NS_WARN_IF(aError.Failed())) {`
`11941`	`11947`	`return;`
`11942`	`11948`	`}`
`11943`	`11949`
	`11950`	`+ // Step 3: Return deserializeRecord.[[Deserialized]].`
	`11951`	`+ // (discarding deserializeRecord.[[TransferredValues]])`
`11944`	`11952`	`nsTArray<RefPtr<MessagePort>> ports = holder.TakeTransferredPorts();`
`11945`	`11953`	`(void)ports;`
`11946`	`11954`	`}`