Pull SecurityStateModel out into a component

components/security_state/switches.cc

Index: components/security_state/switches.cc
diff --git a/components/security_state/switches.cc b/components/security_state/switches.cc
new file mode 100644
index 0000000000000000000000000000000000000000..c6a5801a7365993024d66428554e504d234b11c9
--- /dev/null
+++ b/components/security_state/switches.cc
@@ -0,0 +1,15 @@
+// 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.
+
+#include "components/security_state/switches.h"
+
+namespace security_state {
+namespace switches {
+
+// Use to opt-in to marking HTTP as non-secure.
+const char kMarkNonSecureAs[] = "mark-non-secure-as";
+const char kMarkNonSecureAsNeutral[] = "neutral";
+const char kMarkNonSecureAsNonSecure[] = "non-secure";
+}
+}  // namespace security_state