Remove usage of AsyncExtensionFunction::results_ in system_network_api.cc

extensions/browser/api/system_network/system_network_api.cc

 // Copyright 2013 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 "extensions/browser/api/system_network/system_network_api.h"
 
 namespace {
 const char kNetworkListError[] = "Network lookup failed or unsupported";
 }  // namespace
 
 namespace extensions {
 namespace api {
 
 SystemNetworkGetNetworkInterfacesFunction::
     SystemNetworkGetNetworkInterfacesFunction() {
 }
 
 SystemNetworkGetNetworkInterfacesFunction::
     ~SystemNetworkGetNetworkInterfacesFunction() {
 }
 
-bool SystemNetworkGetNetworkInterfacesFunction::RunAsync() {
+ExtensionFunction::ResponseAction
+SystemNetworkGetNetworkInterfacesFunction::Run() {
   content::BrowserThread::PostTask(
       content::BrowserThread::FILE,
       FROM_HERE,
       base::Bind(
           &SystemNetworkGetNetworkInterfacesFunction::GetListOnFileThread,
           this));
-  return true;
+  return RespondLater();
 }
 
 void SystemNetworkGetNetworkInterfacesFunction::GetListOnFileThread() {
   net::NetworkInterfaceList interface_list;
   if (net::GetNetworkList(&interface_list,
                           net::INCLUDE_HOST_SCOPE_VIRTUAL_INTERFACES)) {
     content::BrowserThread::PostTask(
         content::BrowserThread::UI,
         FROM_HERE,
         base::Bind(
             &SystemNetworkGetNetworkInterfacesFunction::SendResponseOnUIThread,
             this,
             interface_list));
     return;
   }
 
   content::BrowserThread::PostTask(
       content::BrowserThread::UI,
       FROM_HERE,
       base::Bind(&SystemNetworkGetNetworkInterfacesFunction::HandleGetListError,
                  this));
 }
 
 void SystemNetworkGetNetworkInterfacesFunction::HandleGetListError() {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
-  error_ = kNetworkListError;
-  SendResponse(false);
+  Respond(Error(kNetworkListError));
 }
 
 void SystemNetworkGetNetworkInterfacesFunction::SendResponseOnUIThread(
     const net::NetworkInterfaceList& interface_list) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
 
   std::vector<api::system_network::NetworkInterface> create_arg;
   create_arg.reserve(interface_list.size());
   for (const net::NetworkInterface& interface : interface_list) {
     api::system_network::NetworkInterface info;
     info.name = interface.name;
     info.address = interface.address.ToString();
     info.prefix_length = interface.prefix_length;
     create_arg.push_back(std::move(info));
   }
 
-  results_ =
-      api::system_network::GetNetworkInterfaces::Results::Create(create_arg);
-  SendResponse(true);
+  Respond(ArgumentList(
+      api::system_network::GetNetworkInterfaces::Results::Create(create_arg)));
 }
 
 }  // namespace api
 }  // namespace extensions