1 files changed, 45 insertions, 0 deletions
diff --git a/dom/base/AnonymousContent.h b/dom/base/AnonymousContent.h
new file mode 100644
index 0000000000..024b315cad
--- /dev/null
+++ b/dom/base/AnonymousContent.h
@@ -0,0 +1,45 @@
+/* -*- 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_AnonymousContent_h
+#define mozilla_dom_AnonymousContent_h
+
+#include "mozilla/AlreadyAddRefed.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsISupportsImpl.h"
+
+namespace mozilla::dom {
+
+class Element;
+class Document;
+class ShadowRoot;
+
+class AnonymousContent final {
+ public:
+  // Ref counting and cycle collection
+  NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(AnonymousContent)
+  NS_DECL_CYCLE_COLLECTION_NATIVE_CLASS(AnonymousContent)
+
+  static already_AddRefed<AnonymousContent> Create(Document&);
+
+  Element* Host() const { return mHost.get(); }
+  ShadowRoot* Root() const { return mRoot.get(); }
+
+  bool WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto,
+                  JS::MutableHandle<JSObject*> aReflector);
+
+ private:
+  ~AnonymousContent();
+
+  explicit AnonymousContent(already_AddRefed<Element> aHost,
+                            already_AddRefed<ShadowRoot> aRoot);
+  RefPtr<Element> mHost;
+  RefPtr<ShadowRoot> mRoot;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_AnonymousContent_h