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
@@ -11950,6 +11950,9 @@ 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);
@@ -11958,11 +11961,16 @@ 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
`@@ -11950,6 +11950,9 @@ void nsContentUtils::StructuredClone(JSContext* aCx, nsIGlobalObject* aGlobal,`
`11950`	`11950`	`clonePolicy.allowSharedMemoryObjects();`
`11951`	`11951`	`}`
`11952`	`11952`
	`11953`	`+ // 2.7.10 Structured cloning API`
	`11954`	`+ // Step 1: Let serialized be`
	`11955`	`+ // ? StructuredSerializeWithTransfer(value, options["transfer"])`
`11953`	`11956`	`StructuredCloneHolder holder(StructuredCloneHolder::CloningSupported,`
`11954`	`11957`	`StructuredCloneHolder::TransferringSupported,`
`11955`	`11958`	`JS::StructuredCloneScope::SameProcess);`
`@@ -11958,11 +11961,16 @@ void nsContentUtils::StructuredClone(JSContext* aCx, nsIGlobalObject* aGlobal,`
`11958`	`11961`	`return;`
`11959`	`11962`	`}`
`11960`	`11963`
	`11964`	`+ // Step 2: Let deserializeRecord be`
	`11965`	`+ // ? StructuredDeserializeWithTransfer(serialized, this's relevant realm).`
	`11966`	`+ JSAutoRealm ar(aCx, aGlobal->GetGlobalJSObject());`
`11961`	`11967`	`holder.Read(aCx, aRetval, clonePolicy, aError);`
`11962`	`11968`	`if (NS_WARN_IF(aError.Failed())) {`
`11963`	`11969`	`return;`
`11964`	`11970`	`}`
`11965`	`11971`
	`11972`	`+ // Step 3: Return deserializeRecord.[[Deserialized]].`
	`11973`	`+ // (discarding deserializeRecord.[[TransferredValues]])`
`11966`	`11974`	`nsTArray<RefPtr<MessagePort>> ports = holder.TakeTransferredPorts();`
`11967`	`11975`	`(void)ports;`
`11968`	`11976`	`}`