cryptohome: Add stub functions to query PKCS11 set up status

pkcs11_init.h

+// Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Pkcs11Init - class for handling opencryptoki initialization.
+
+#ifndef CRYPTOHOME_PKCS11_INIT_H_
+#define CRYPTOHOME_PKCS11_INIT_H_
+
+#include <base/basictypes.h>
+#include <glib.h>
+
+namespace cryptohome {
+
+class Pkcs11Init {
+ public:
+  Pkcs11Init();
+  virtual ~Pkcs11Init();
+
+  bool IsTpmTokenReady() const {
+    return true;
+  }
+  void GetTpmTokenInfo(gchar **OUT_label,
+                       gchar **OUT_user_pin);
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(Pkcs11Init);
+};
+
+}  // namespace cryptohome
+
+#endif  // CRYPTOHOME_PKCS11_INIT_H_