components: add wifi_sync component

components/wifi_sync/wifi_security_class.h

Index: components/wifi_sync/wifi_security_class.h
diff --git a/components/wifi_sync/wifi_security_class.h b/components/wifi_sync/wifi_security_class.h
new file mode 100644
index 0000000000000000000000000000000000000000..7f44fbf5eb521a9f9a2a1b2a81a204ea873c6647
--- /dev/null
+++ b/components/wifi_sync/wifi_security_class.h
@@ -0,0 +1,33 @@
+// 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.
+
+#ifndef COMPONENTS_WIFI_SYNC_WIFI_SECURITY_CLASS_H_
+#define COMPONENTS_WIFI_SYNC_WIFI_SECURITY_CLASS_H_
+
+#if defined(OS_CHROMEOS)
+#include <string>
+#endif
+
+namespace wifi_sync {
+
+enum WifiSecurityClass {
+  SECURITY_CLASS_INVALID,
+  SECURITY_CLASS_NONE,
+  SECURITY_CLASS_WEP,
+  SECURITY_CLASS_PSK,     // WPA-PSK or RSN-PSK
+  SECURITY_CLASS_802_1X,  // WPA-Enterprise or RSN-Enterprise
+};
+
+#if defined(OS_CHROMEOS)
+// Converts from a Security string presented by the ChromeOS
+// connection manager ("shill") to a WifiSecurityClass enum.  Returns
+// the appropriate enum value. If |security_in| is unrecognized,
+// returns SECURITY_CLASS_INVALID.
+WifiSecurityClass WifiSecurityClassFromShillSecurity(
+    const std::string& shill_security);
+#endif  // OS_CHROMEOS
+
+}  // namespace wifi_sync
+
+#endif  // COMPONENTS_WIFI_SYNC_WIFI_SECURITY_CLASS_H_