Use StringPiece more in base::Value interfaces.

components/arc/net/arc_net_host_impl.cc

 // Copyright 2015 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 "components/arc/net/arc_net_host_impl.h"
 
 #include <string>
 #include <utility>
 #include <vector>
 
@@ skipping 432 matching lines @@
   }
   mojom::ConfiguredNetworkDetailsPtr details =
       std::move(cfg->details->get_configured());
   if (!details) {
     callback.Run("");
     return;
   }
 
   properties->SetStringWithoutPathExpansion(onc::network_config::kType,
                                             onc::network_config::kWiFi);
-  wifi_dict->SetStringWithoutPathExpansion(onc::wifi::kHexSSID, cfg->hexssid);
+  wifi_dict->SetStringWithoutPathExpansion(onc::wifi::kHexSSID,
+                                           cfg->hexssid.get());
   wifi_dict->SetBooleanWithoutPathExpansion(onc::wifi::kAutoConnect,
                                             details->autoconnect);
   if (cfg->security.get().empty()) {
     wifi_dict->SetStringWithoutPathExpansion(onc::wifi::kSecurity,
                                              onc::wifi::kSecurityNone);
   } else {
     wifi_dict->SetStringWithoutPathExpansion(onc::wifi::kSecurity,
-                                             cfg->security);
+                                             cfg->security.get());
     if (!details->passphrase.is_null()) {
       wifi_dict->SetStringWithoutPathExpansion(onc::wifi::kPassphrase,
-                                               details->passphrase);
+                                               details->passphrase.get());
     }
   }
   properties->SetWithoutPathExpansion(onc::network_config::kWiFi,
                                       std::move(wifi_dict));
 
   std::string user_id_hash = chromeos::LoginState::Get()->primary_user_hash();
   GetManagedConfigurationHandler()->CreateConfiguration(
       user_id_hash, *properties,
       base::Bind(&ArcNetHostImpl::CreateNetworkSuccessCallback,
                  weak_factory_.GetWeakPtr(), callback),
@@ skipping 170 matching lines @@
   bool is_enabled = GetStateHandler()->IsTechnologyEnabled(
       chromeos::NetworkTypePattern::WiFi());
   arc_bridge_service()->net()->instance()->WifiEnabledStateChanged(is_enabled);
 }
 
 void ArcNetHostImpl::OnShuttingDown() {
   GetStateHandler()->RemoveObserver(this, FROM_HERE);
 }
 
 }  // namespace arc