Fix WiFi config view for previously configured client cert.

chromeos/network/client_cert_util.h

 // Copyright (c) 2012 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 CHROMEOS_NETWORK_CLIENT_CERT_UTIL_H_
 #define CHROMEOS_NETWORK_CLIENT_CERT_UTIL_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 45 matching lines @@
 // must match.
 bool CertPrincipalMatches(const IssuerSubjectPattern& pattern,
                           const net::CertPrincipal& principal);
 
 // Fetches the matching certificate that has the latest valid start date.
 // Returns a NULL refptr if there is no such match.
 CHROMEOS_EXPORT scoped_refptr<net::X509Certificate> GetCertificateMatch(
     const CertificatePattern& pattern,
     const net::CertificateList& all_certs);
 
+// Returns the PKCS11 id part of |cert_id|, which is expected to be the value of
+// the Shill property kEapCertIdProperty or kEapKeyIdProperty.
+CHROMEOS_EXPORT std::string GetPkcs11IdFromEapCertId(
+    const std::string& cert_id);
+
 // If not empty, sets the TPM properties in |properties|. If |pkcs11_id| is not
 // NULL, also sets the ClientCertID. |cert_config_type| determines which
 // dictionary entries to set.
 CHROMEOS_EXPORT void SetShillProperties(const ConfigType cert_config_type,
                                         const std::string& tpm_slot,
                                         const std::string& tpm_pin,
                                         const std::string* pkcs11_id,
                                         base::DictionaryValue* properties);
 
 // Returns true if all required configuration properties are set and not empty.
 bool IsCertificateConfigured(const client_cert::ConfigType cert_config_type,
                              const base::DictionaryValue& service_properties);
 
 // Determines the type of the CertificatePattern configuration, i.e. is it a
 // pattern within an EAP, IPsec or OpenVPN configuration.
 CHROMEOS_EXPORT void OncToClientCertConfig(
     const base::DictionaryValue& network_config,
     ClientCertConfig* cert_config);
 
 }  // namespace client_cert
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_NETWORK_CLIENT_CERT_UTIL_H_