Convert //chromecast from scoped_ptr to std::unique_ptr

chromecast/browser/pref_service_helper.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 "chromecast/browser/pref_service_helper.h"
 
 #include <string>
 
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
@@ skipping 20 matching lines @@
 
 base::FilePath GetConfigPath() {
   base::FilePath config_path;
   CHECK(PathService::Get(FILE_CAST_CONFIG, &config_path));
   return config_path;
 }
 
 }  // namespace
 
 // static
-scoped_ptr<PrefService> PrefServiceHelper::CreatePrefService(
+std::unique_ptr<PrefService> PrefServiceHelper::CreatePrefService(
     PrefRegistrySimple* registry) {
   const base::FilePath config_path(GetConfigPath());
   VLOG(1) << "Loading config from " << config_path.value();
 
   registry->RegisterBooleanPref(prefs::kEnableRemoteDebugging, false);
   registry->RegisterBooleanPref(prefs::kMetricsIsNewClientID, false);
   // Opt-in stats default to true to handle two different cases:
   //  1) Any crashes or UMA logs are recorded prior to setup completing
   //     successfully (even though we can't send them yet).  Unless the user
   //     ends up actually opting out, we don't want to lose this data once
@@ skipping 10 matching lines @@
           config_path,
           content::BrowserThread::GetBlockingPool());
   prefServiceFactory.SetUserPrefsFile(config_path, task_runner.get());
   prefServiceFactory.set_async(false);
 
   PersistentPrefStore::PrefReadError prefs_read_error =
       PersistentPrefStore::PREF_READ_ERROR_NONE;
   prefServiceFactory.set_read_error_callback(
       base::Bind(&UserPrefsLoadError, &prefs_read_error));
 
-  scoped_ptr<PrefService> pref_service(prefServiceFactory.Create(registry));
+  std::unique_ptr<PrefService> pref_service(
+      prefServiceFactory.Create(registry));
   if (prefs_read_error != PersistentPrefStore::PREF_READ_ERROR_NONE) {
     LOG(ERROR) << "Cannot initialize chromecast config: "
                << config_path.value()
                << ", pref_error=" << prefs_read_error;
   }
 
   OnPrefsLoaded(pref_service.get());
   return pref_service;
 }
 
 }  // namespace shell
 }  // namespace chromecast