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

components/encryptor/encryptor_switches.h

Index: components/encryptor/encryptor_switches.h
diff --git a/components/encryptor/encryptor_switches.h b/components/encryptor/encryptor_switches.h
new file mode 100644
index 0000000000000000000000000000000000000000..5f25e1431c507862cf1b70650426199799e295a1
--- /dev/null
+++ b/components/encryptor/encryptor_switches.h
@@ -0,0 +1,26 @@
+// Copyright 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.
+
+// Defines all the command-line switches used by the encryptor component.
+
+#ifndef COMPONENTS_ENCRYPTOR__ENCRYPTOR_SWITCHES_H_
+#define COMPONENTS_ENCRYPTOR__ENCRYPTOR_SWITCHES_H_
+
+#include "base/basictypes.h"
+
+namespace encryptor {
+namespace switches {
+
+#if defined(OS_MACOSX)
+
+// Uses mock keychain for testing purposes, which prevents blocking dialogs
+// from causing timeouts.
+extern const char kUseMockKeychain[];
+
+#endif  // OS_MACOSX
+
+}  // namespace switches
+}  // namespace encryptor
+
+#endif  // COMPONENTS_ENCRYPTOR__ENCRYPTOR_SWITCHES_H_