[Extensions] Convert APIs to use movable types [4]

chrome/browser/extensions/api/feedback_private/feedback_service.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 "chrome/browser/extensions/api/feedback_private/feedback_service.h"
 
 #include <utility>
 
 #include "base/callback.h"
 #include "base/memory/weak_ptr.h"
 #include "base/strings/string_number_conversions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/chrome_content_client.h"
 #include "content/public/browser/browser_thread.h"
 
 using content::BrowserThread;
+using extensions::api::feedback_private::SystemInformation;
 using feedback::FeedbackData;
 
 namespace extensions {
 
 namespace {
 
 void PopulateSystemInfo(SystemInformationList* sys_info_list,
                         const std::string& key,
                         const std::string& value) {
   base::DictionaryValue sys_info_value;
   sys_info_value.Set("key", new base::StringValue(key));
   sys_info_value.Set("value", new base::StringValue(value));
 
-  linked_ptr<SystemInformation> sys_info(new SystemInformation());
-  SystemInformation::Populate(sys_info_value, sys_info.get());
+  SystemInformation sys_info;
+  SystemInformation::Populate(sys_info_value, &sys_info);
 
-  sys_info_list->push_back(sys_info);
+  sys_info_list->push_back(std::move(sys_info));
 }
 
 }  // namespace
 
 FeedbackService::FeedbackService() {
 }
 
 FeedbackService::~FeedbackService() {
 }
 
@@ skipping 88 matching lines @@
     // filled - the object will manage sending of the actual report.
     feedback_data->OnFeedbackPageDataComplete();
 
     // TODO(rkc): Change this once we have FeedbackData/Util refactored to
     // report the status of the report being sent.
     callback.Run(true);
   }
 }
 
 }  // namespace extensions