1 files changed, 39 insertions, 0 deletions
diff --git a/dom/base/External.h b/dom/base/External.h
new file mode 100644
index 0000000000..9ddda47785
--- /dev/null
+++ b/dom/base/External.h
@@ -0,0 +1,39 @@
+/* -*- 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_External_h
+#define mozilla_dom_External_h
+
+#include "nsCycleCollectionParticipant.h"
+#include "nsWrapperCache.h"
+
+#include "mozilla/dom/ExternalBinding.h"
+
+namespace mozilla::dom {
+
+class External : public nsWrapperCache {
+ public:
+  NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(External)
+  NS_DECL_CYCLE_COLLECTION_NATIVE_WRAPPERCACHE_CLASS(External)
+
+  explicit External(nsISupports* aParent) : mParent(aParent) {}
+
+  nsISupports* GetParentObject() const { return mParent; }
+  JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) final;
+
+  void AddSearchProvider() {}
+  void IsSearchProviderInstalled() {}
+
+ protected:
+  virtual ~External() = default;
+
+ private:
+  nsCOMPtr<nsISupports> mParent;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_External_h