Correct const accessors in base/values.(h|cc), Part II (ListValue)

chrome/browser/chromeos/cros/onc_network_parser.cc

 // 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.
 
 #include "chrome/browser/chromeos/cros/onc_network_parser.h"
 
 #include <keyhi.h>
 #include <pk11pub.h>
 
 #include "base/base64.h"
@@ skipping 1923 matching lines @@
       virtual_network->set_save_credentials(GetBooleanValue(value));
       return true;
     case PROPERTY_INDEX_OPEN_VPN_CACERT:
       virtual_network->set_ca_cert_nss(GetStringValue(value));
       return true;
     case PROPERTY_INDEX_OPEN_VPN_REMOTECERTKU: {
       // ONC supports a list of these, but we flimflam supports only one
       // today.  So extract the first.
       const base::ListValue* value_list = NULL;
       value.GetAsList(&value_list);
-      base::Value* first_item = NULL;
+      const base::Value* first_item = NULL;
       if (!value_list->Get(0, &first_item) ||
           !first_item->IsType(base::Value::TYPE_STRING)) {
         VLOG(1) << "RemoteCertKU must be non-empty list of strings";
         return false;
       }
       virtual_network->UpdatePropertyMap(index, first_item);
       return true;
     }
     case PROPERTY_INDEX_OPEN_VPN_AUTH:
     case PROPERTY_INDEX_OPEN_VPN_AUTHRETRY:
@@ skipping 56 matching lines @@
     // on the value of AuthenticationType.
     { "L2TP-IPsec", PROVIDER_TYPE_L2TP_IPSEC_PSK },
     { "OpenVPN", PROVIDER_TYPE_OPEN_VPN },
   };
   CR_DEFINE_STATIC_LOCAL(EnumMapper<ProviderType>, parser,
       (table, arraysize(table), PROVIDER_TYPE_MAX));
   return parser.Get(type);
 }
 
 }  // namespace chromeos