[OS X] Wire up --use-mock-keychain command line flag to encryptor module

components/encryptor/encryptor_switches.cc

Index: components/encryptor/encryptor_switches.cc
diff --git a/components/encryptor/encryptor_switches.cc b/components/encryptor/encryptor_switches.cc
new file mode 100644
index 0000000000000000000000000000000000000000..3fbe6ea59553629d20c02cf1b037031c6e277ffe
--- /dev/null
+++ b/components/encryptor/encryptor_switches.cc
@@ -0,0 +1,17 @@
+// Copyright (c) 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "components/encryptor/encryptor_switches.h"
+
+namespace encryptor {
+namespace switches {
+
+#if defined(OS_MACOSX)
+
+const char kUseMockKeychain[] = "use-mock-keychain";
+
+#endif  // OS_MACOSX
+
+}  // namespace switches
+}  // namespace encryptor