Pull SecurityStateModel out into a component

components/security_state/switches.h

Index: components/security_state/switches.h
diff --git a/components/security_state/switches.h b/components/security_state/switches.h
new file mode 100644
index 0000000000000000000000000000000000000000..b4ed6bfba1485a434c26dc7729253c0befb7c31f
--- /dev/null
+++ b/components/security_state/switches.h
@@ -0,0 +1,18 @@
+// Copyright 2015 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.
+
+#ifndef COMPONENTS_SECURITY_STATE_SWITCHES_H_
+#define COMPONENTS_SECURITY_STATE_SWITCHES_H_
+
+namespace security_state {
+namespace switches {
+
+extern const char kMarkNonSecureAs[];
+extern const char kMarkNonSecureAsNeutral[];
+extern const char kMarkNonSecureAsNonSecure[];
+
+}
+}  // namespace security_state
+
+#endif  // COMPONENTS_SECURITY_STATE_SWITCHES_H_