Remove CACert NSS nickname to PEM migration.

chromeos/network/network_cert_migrator.h

 // Copyright 2013 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_NETWORK_CERT_MIGRATOR_H_
 #define CHROMEOS_NETWORK_NETWORK_CERT_MIGRATOR_H_
 
 #include "base/basictypes.h"
 #include "base/memory/weak_ptr.h"
 #include "chromeos/cert_loader.h"
 #include "chromeos/chromeos_export.h"
 #include "chromeos/network/network_state_handler_observer.h"
 
 namespace chromeos {
 
 class NetworkStateHandler;
 
-// Migrates network configurations from deprecated CaCertNSS properties to
-// CaCertPEM and incorrect or missing slot IDs of client certificates.
+// Migrates network configurations with incorrect or missing slot IDs of client
+// certificates.
 class CHROMEOS_EXPORT NetworkCertMigrator : public NetworkStateHandlerObserver,
                                             public CertLoader::Observer {
  public:
-  virtual ~NetworkCertMigrator();
+  ~NetworkCertMigrator() override;
 
  private:
   friend class NetworkHandler;
   friend class NetworkCertMigratorTest;
   class MigrationTask;
 
   NetworkCertMigrator();
   void Init(NetworkStateHandler* network_state_handler);
 
-   // NetworkStateHandlerObserver overrides
-  virtual void NetworkListChanged() override;
+  // NetworkStateHandlerObserver overrides
+  void NetworkListChanged() override;
 
   // CertLoader::Observer overrides
-  virtual void OnCertificatesLoaded(const net::CertificateList& cert_list,
-                                    bool initial_load) override;
+  void OnCertificatesLoaded(const net::CertificateList& cert_list,
+                            bool initial_load) override;
 
   // Unowned associated NetworkStateHandler* (global or test instance).
   NetworkStateHandler* network_state_handler_;
 
   base::WeakPtrFactory<NetworkCertMigrator> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(NetworkCertMigrator);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_NETWORK_NETWORK_CERT_MIGRATOR_H_