Rewrite simple uses of base::ListValue::Append(base::Value*) on CrOS.

chrome/browser/chromeos/proxy_config_service_impl_unittest.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/proxy_config_service_impl.h"
 
 #include <stddef.h>
 
+#include <utility>
 #include <vector>
 
 #include "base/format_macros.h"
 #include "base/json/json_writer.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/chromeos/net/proxy_config_handler.h"
@@ skipping 487 matching lines @@
 // if 'UseSharedProxies' is set to false.
 // See https://crbug.com/454966 .
 TEST_F(ProxyConfigServiceImplTest, SharedEthernetAndUserPolicy) {
   SetUpSharedEthernet();
   SetUpProxyConfigService(&profile_prefs_);
 
   std::unique_ptr<base::DictionaryValue> ethernet_policy(
       chromeos::onc::ReadDictionaryFromJson(kEthernetPolicy));
 
   std::unique_ptr<base::ListValue> network_configs(new base::ListValue);
-  network_configs->Append(ethernet_policy.release());
+  network_configs->Append(std::move(ethernet_policy));
 
   profile_prefs_.SetUserPref(prefs::kUseSharedProxies,
                              new base::FundamentalValue(false));
   profile_prefs_.SetManagedPref(prefs::kOpenNetworkConfiguration,
                                 network_configs.release());
 
   net::ProxyConfig actual_config;
   SyncGetLatestProxyConfig(&actual_config);
   net::ProxyConfig expected_config =
       net::ProxyConfig::CreateFromCustomPacURL(GURL("http://domain.com/x"));
   EXPECT_TRUE(expected_config.Equals(actual_config));
 }
 
 }  // namespace chromeos