Use std::unique_ptr for base::DictionaryValue and base::ListValue's internal store.

chromeos/network/shill_property_handler.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 "chromeos/network/shill_property_handler.h"
 
 #include <stddef.h>
 
 #include <sstream>
 
@@ skipping 361 matching lines @@
   }
   requested_updates.swap(new_requested_updates);
 }
 
 void ShillPropertyHandler::UpdateObserved(ManagedState::ManagedType type,
                                           const base::ListValue& entries) {
   ShillPropertyObserverMap& observer_map =
       (type == ManagedState::MANAGED_TYPE_NETWORK) ? observed_networks_
                                                    : observed_devices_;
   ShillPropertyObserverMap new_observed;
-  for (auto* entry : entries) {
+  for (const auto& entry : entries) {
     std::string path;
     entry->GetAsString(&path);
     if (path.empty())
       continue;
     auto iter = observer_map.find(path);
     ShillPropertyObserver* observer;
     if (iter != observer_map.end()) {
       observer = iter->second;
     } else {
       // Create an observer for future updates.
@@ skipping 168 matching lines @@
     NET_LOG(EVENT) << "Failed to get IP Config properties: " << ip_config_path
                    << ": " << call_status << ", For: " << path;
     return;
   }
   NET_LOG(EVENT) << "IP Config properties received: " << path;
   listener_->UpdateIPConfigProperties(type, path, ip_config_path, properties);
 }
 
 }  // namespace internal
 }  // namespace chromeos