1 files changed, 66 insertions, 0 deletions
diff --git a/dom/base/StructuredCloneTester.h b/dom/base/StructuredCloneTester.h
new file mode 100644
index 0000000000..b939296971
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+++ b/dom/base/StructuredCloneTester.h
@@ -0,0 +1,66 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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_StructuredCloneTester_h
+#define mozilla_dom_StructuredCloneTester_h
+
+#include "mozilla/AlreadyAddRefed.h"
+#include "nsCOMPtr.h"
+#include "nsISupports.h"
+#include "nsWrapperCache.h"
+
+struct JSStructuredCloneReader;
+struct JSStructuredCloneWriter;
+class nsIGlobalObject;
+
+namespace mozilla {
+
+class ErrorResult;
+
+namespace dom {
+
+class GlobalObject;
+
+class StructuredCloneTester final : public nsISupports, public nsWrapperCache {
+ public:
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(StructuredCloneTester)
+
+  static already_AddRefed<StructuredCloneTester> Constructor(
+      const GlobalObject& aGlobal, const bool aSerializable,
+      const bool aDeserializable);
+
+  bool Serializable() const;
+
+  bool Deserializable() const;
+
+  static already_AddRefed<StructuredCloneTester> ReadStructuredClone(
+      JSContext* aCx, nsIGlobalObject* aGlobal,
+      JSStructuredCloneReader* aReader);
+
+  bool WriteStructuredClone(JSContext* aCx,
+                            JSStructuredCloneWriter* aWriter) const;
+
+  nsISupports* GetParentObject() const;
+
+  // nsWrapperCache interface
+  JSObject* WrapObject(JSContext* aCx,
+                       JS::Handle<JSObject*> aGivenProto) override;
+
+ private:
+  StructuredCloneTester(nsISupports* aParent, const bool aSerializable,
+                        const bool aDeserializable);
+  ~StructuredCloneTester() = default;
+
+  nsCOMPtr<nsISupports> mParent;
+  bool mSerializable;
+  bool mDeserializable;
+};
+
+}  // namespace dom
+}  // namespace mozilla
+
+#endif  // mozilla_dom_StructuredCloneTester_h