chromeos networking: move from security to securityclass property

chromeos/network/network_state.h

Index: chromeos/network/network_state.h
diff --git a/chromeos/network/network_state.h b/chromeos/network/network_state.h
index be5e12449a6e7f82210625f3574ed946917e0728..3255f04e5811040eb7976c71c4f6c93914fb530a 100644
--- a/chromeos/network/network_state.h
+++ b/chromeos/network/network_state.h
@@ -53,7 +53,7 @@ class CHROMEOS_EXPORT NetworkState : public ManagedState {
 
   // Accessors
   bool visible() const { return visible_; }
-  const std::string& security() const { return security_; }
+  const std::string& security_class() const { return security_class_; }
   const std::string& device_path() const { return device_path_; }
   const std::string& guid() const { return guid_; }
   const std::string& profile_path() const { return profile_path_; }
@@ -140,7 +140,7 @@ class CHROMEOS_EXPORT NetworkState : public ManagedState {
   // Network Service properties. Avoid adding any additional properties here.
   // Instead use NetworkConfigurationHandler::GetProperties() to asynchronously
   // request properties from Shill.
-  std::string security_;
+  std::string security_class_;
   std::string eap_method_;  // Needed for WiFi EAP networks
   std::string device_path_;
   std::string guid_;