Enable meta-based validation for shared libraries.

src/trusted/reverse_service/nacl_file_info.h

Index: src/trusted/reverse_service/nacl_file_info.h
diff --git a/src/trusted/reverse_service/nacl_file_info.h b/src/trusted/reverse_service/nacl_file_info.h
new file mode 100644
index 0000000000000000000000000000000000000000..eb414f7ae19d21315da13939efb99c72cab25e11
--- /dev/null
+++ b/src/trusted/reverse_service/nacl_file_info.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2013 The Native Client Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef NATIVE_CLIENT_SRC_TRUSTED_REVERSE_SERVICE_NACL_FILE_INFO_H__
+#define NATIVE_CLIENT_SRC_TRUSTED_REVERSE_SERVICE_NACL_FILE_INFO_H__
+
+#include "native_client/src/include/nacl_base.h"
+
+EXTERN_C_BEGIN
+
+struct NaClFileInfo {
+  int32_t desc;
+  uint64_t nonce;
+};
+
+EXTERN_C_END
+
+#endif /* NATIVE_CLIENT_SRC_TRUSTED_REVERSE_SERVICE_NACL_FILE_INFO_H__ */