1 files changed, 57 insertions, 0 deletions
diff --git a/dom/messagechannel/SharedMessagePortMessage.h b/dom/messagechannel/SharedMessagePortMessage.h
new file mode 100644
index 000000000..7c3214c81
--- /dev/null
+++ b/dom/messagechannel/SharedMessagePortMessage.h
@@ -0,0 +1,57 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_SharedMessagePortMessage_h
+#define mozilla_dom_SharedMessagePortMessage_h
+
+#include "mozilla/dom/StructuredCloneHolder.h"
+
+namespace mozilla {
+namespace dom {
+
+class MessagePortChild;
+class MessagePortMessage;
+class MessagePortParent;
+
+class SharedMessagePortMessage final : public StructuredCloneHolder
+{
+public:
+  NS_INLINE_DECL_REFCOUNTING(SharedMessagePortMessage)
+
+  SharedMessagePortMessage()
+    : StructuredCloneHolder(CloningSupported, TransferringSupported,
+                            StructuredCloneScope::DifferentProcess)
+  {}
+
+  static void
+  FromSharedToMessagesChild(
+                      MessagePortChild* aActor,
+                      const nsTArray<RefPtr<SharedMessagePortMessage>>& aData,
+                      nsTArray<MessagePortMessage>& aArray);
+
+  static bool
+  FromMessagesToSharedChild(
+                     nsTArray<MessagePortMessage>& aArray,
+                     FallibleTArray<RefPtr<SharedMessagePortMessage>>& aData);
+
+  static bool
+  FromSharedToMessagesParent(
+                      MessagePortParent* aActor,
+                      const nsTArray<RefPtr<SharedMessagePortMessage>>& aData,
+                      FallibleTArray<MessagePortMessage>& aArray);
+
+  static bool
+  FromMessagesToSharedParent(
+                     nsTArray<MessagePortMessage>& aArray,
+                     FallibleTArray<RefPtr<SharedMessagePortMessage>>& aData);
+
+private:
+  ~SharedMessagePortMessage() {}
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_SharedMessagePortMessage_h