NetworkStateHandler::InitializeForTest() should return a std::unique_ptr.

chromeos/network/network_state_handler.h

 // 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.
 
 #ifndef CHROMEOS_NETWORK_NETWORK_STATE_HANDLER_H_
 #define CHROMEOS_NETWORK_NETWORK_STATE_HANDLER_H_
 
 #include <map>
 #include <memory>
 #include <set>
@@ skipping 226 matching lines @@
 
   const std::string& default_network_path() const {
     return default_network_path_;
   }
 
   // Sets the |last_error_| property of the matching NetworkState for tests.
   void SetLastErrorForTest(const std::string& service_path,
                            const std::string& error);
 
   // Constructs and initializes an instance for testing.
-  static NetworkStateHandler* InitializeForTest();
+  static std::unique_ptr<NetworkStateHandler> InitializeForTest();
 
   // Default set of comma separated interfaces on which to enable
   // portal checking.
   static const char kDefaultCheckPortalList[];
 
  protected:
   friend class NetworkHandler;
   NetworkStateHandler();
 
   // ShillPropertyHandler::Listener overrides.
@@ skipping 143 matching lines @@
 
   // Ensure that Shutdown() gets called exactly once.
   bool did_shutdown_ = false;
 
   DISALLOW_COPY_AND_ASSIGN(NetworkStateHandler);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_NETWORK_NETWORK_STATE_HANDLER_H_