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

chrome/browser/extensions/api/networking_private/networking_private_ui_delegate_factory_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 "chrome/browser/extensions/api/networking_private/networking_private_ui_delegate_factory_impl.h"
 
+#include "base/memory/ptr_util.h"
 #include "build/build_config.h"
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/extensions/api/networking_private/networking_private_ui_delegate_chromeos.h"
 #endif
 
 namespace extensions {
 
 NetworkingPrivateUIDelegateFactoryImpl::
     NetworkingPrivateUIDelegateFactoryImpl() {}
 
 NetworkingPrivateUIDelegateFactoryImpl::
     ~NetworkingPrivateUIDelegateFactoryImpl() {}
 
-scoped_ptr<NetworkingPrivateDelegate::UIDelegate>
+std::unique_ptr<NetworkingPrivateDelegate::UIDelegate>
 NetworkingPrivateUIDelegateFactoryImpl::CreateDelegate() {
 #if defined(OS_CHROMEOS)
-  return make_scoped_ptr(
+  return base::WrapUnique(
       new chromeos::extensions::NetworkingPrivateUIDelegateChromeOS());
 #else
   return nullptr;
 #endif
 }
 
 }  // namespace extensions