diff -r 000000000000 -r 6474c204b198 storage/src/mozStorageAsyncStatementParams.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/storage/src/mozStorageAsyncStatementParams.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,45 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
+ * 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_storage_mozStorageAsyncStatementParams_h_
+#define mozilla_storage_mozStorageAsyncStatementParams_h_
+
+#include "mozIStorageStatementParams.h"
+#include "nsIXPCScriptable.h"
+#include "mozilla/Attributes.h"
+
+class mozIStorageAsyncStatement;
+
+namespace mozilla {
+namespace storage {
+
+class AsyncStatement;
+
+/*
+ * Since mozIStorageStatementParams is just a tagging interface we do not have
+ * an async variant.
+ */
+class AsyncStatementParams MOZ_FINAL : public mozIStorageStatementParams
+                                     , public nsIXPCScriptable
+{
+public:
+  AsyncStatementParams(AsyncStatement *aStatement);
+
+  // interfaces
+  NS_DECL_ISUPPORTS
+  NS_DECL_MOZISTORAGESTATEMENTPARAMS
+  NS_DECL_NSIXPCSCRIPTABLE
+
+protected:
+  AsyncStatement *mStatement;
+
+  friend class AsyncStatement;
+};
+
+} // namespace storage
+} // namespace mozilla
+
+#endif // mozilla_storage_mozStorageAsyncStatementParams_h_