1 files changed, 24 insertions, 0 deletions
diff --git a/dom/ipc/VsyncChild.h b/dom/ipc/VsyncChild.h
new file mode 100644
index 0000000000..98250e950d
--- /dev/null
+++ b/dom/ipc/VsyncChild.h
@@ -0,0 +1,24 @@
+/* -*- 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_ipc_VsyncChild_h
+#define mozilla_dom_ipc_VsyncChild_h
+
+#include "mozilla/dom/PVsyncChild.h"
+
+namespace mozilla::dom {
+
+class VsyncChild : public PVsyncChild {
+  friend class PVsyncChild;
+
+ protected:
+  virtual mozilla::ipc::IPCResult RecvNotify(const VsyncEvent& aVsync,
+                                             const float& aVsyncRate) = 0;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_ipc_VsyncChild_h