Convert //chrome/browser/extensions from scoped_ptr to std::unique_ptr

chrome/browser/extensions/api/networking_private/networking_private_credentials_getter_mac.cc

 // Copyright 2014 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/extensions/api/networking_private/networking_private_credentials_getter.h"
 
 #include <Security/Security.h>
 #include <stdint.h>
 
+#include <memory>
+
 #include "base/base64.h"
 #include "base/bind.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "chrome/common/extensions/api/networking_private/networking_private_crypto.h"
 #include "components/wifi/wifi_service.h"
 #include "content/public/browser/browser_thread.h"
 
 const char kErrorEncryption[] = "Error.Encryption";
 
 using content::BrowserThread;
 
 namespace extensions {
 
@@ skipping 15 matching lines @@
 NetworkingPrivateCredentialsGetterMac::NetworkingPrivateCredentialsGetterMac() {
 }
 
 NetworkingPrivateCredentialsGetterMac::
     ~NetworkingPrivateCredentialsGetterMac() {}
 
 void NetworkingPrivateCredentialsGetterMac::Start(
     const std::string& network_guid,
     const std::string& public_key,
     const CredentialsCallback& callback) {
-  scoped_ptr<wifi::WiFiService> wifi_service(wifi::WiFiService::Create());
+  std::unique_ptr<wifi::WiFiService> wifi_service(wifi::WiFiService::Create());
   wifi_service->Initialize(NULL);
   std::string key_data;
   std::string error;
   wifi_service->GetKeyFromSystem(network_guid, &key_data, &error);
 
   if (!error.empty()) {
     callback.Run("", error);
     return;
   }
 
@@ skipping 12 matching lines @@
       &base64_encoded_ciphertext);
   callback.Run(base64_encoded_ciphertext, "");
 }
 
 NetworkingPrivateCredentialsGetter*
 NetworkingPrivateCredentialsGetter::Create() {
   return new NetworkingPrivateCredentialsGetterMac();
 }
 
 }  // namespace extensions