Convert //ios from scoped_ptr to std::unique_ptr.

ios/chrome/browser/sync/ios_chrome_profile_sync_service_factory.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 "ios/chrome/browser/sync/ios_chrome_profile_sync_service_factory.h"
 
 #include <utility>
 
+#include "base/memory/ptr_util.h"
 #include "base/memory/singleton.h"
 #include "base/time/time.h"
 #include "components/browser_sync/browser/profile_sync_service.h"
 #include "components/keyed_service/ios/browser_state_dependency_manager.h"
 #include "components/network_time/network_time_tracker.h"
 #include "components/signin/core/browser/profile_oauth2_token_service.h"
 #include "components/signin/core/browser/signin_manager.h"
 #include "components/sync_driver/signin_manager_wrapper.h"
 #include "components/sync_driver/startup_controller.h"
 #include "components/sync_driver/sync_util.h"
@@ skipping 82 matching lines @@
   DependsOn(OAuth2TokenServiceFactory::GetInstance());
   DependsOn(IOSChromePasswordStoreFactory::GetInstance());
   DependsOn(ios::SigninManagerFactory::GetInstance());
   DependsOn(ios::TemplateURLServiceFactory::GetInstance());
   DependsOn(ios::WebDataServiceFactory::GetInstance());
   DependsOn(ios::FaviconServiceFactory::GetInstance());
 }
 
 IOSChromeProfileSyncServiceFactory::~IOSChromeProfileSyncServiceFactory() {}
 
-scoped_ptr<KeyedService>
+std::unique_ptr<KeyedService>
 IOSChromeProfileSyncServiceFactory::BuildServiceInstanceFor(
     web::BrowserState* context) const {
   ios::ChromeBrowserState* browser_state =
       ios::ChromeBrowserState::FromBrowserState(context);
 
   SigninManagerBase* signin =
       ios::SigninManagerFactory::GetForBrowserState(browser_state);
 
   // Always create the GCMProfileService instance such that we can listen to
   // the profile notifications and purge the GCM store when the profile is
   // being signed out.
   IOSChromeGCMProfileServiceFactory::GetForBrowserState(browser_state);
 
   // TODO(crbug.com/171406): Change AboutSigninInternalsFactory to load on
   // startup once bug has been fixed.
   ios::AboutSigninInternalsFactory::GetForBrowserState(browser_state);
 
   ProfileSyncService::InitParams init_params;
   init_params.signin_wrapper =
-      make_scoped_ptr(new SigninManagerWrapper(signin));
+      base::WrapUnique(new SigninManagerWrapper(signin));
   init_params.oauth2_token_service =
       OAuth2TokenServiceFactory::GetForBrowserState(browser_state);
   init_params.start_behavior = ProfileSyncService::MANUAL_START;
   init_params.sync_client =
-      make_scoped_ptr(new IOSChromeSyncClient(browser_state));
+      base::WrapUnique(new IOSChromeSyncClient(browser_state));
   init_params.network_time_update_callback = base::Bind(&UpdateNetworkTime);
   init_params.base_directory = browser_state->GetStatePath();
   init_params.url_request_context = browser_state->GetRequestContext();
   init_params.debug_identifier = browser_state->GetDebugName();
   init_params.channel = ::GetChannel();
   init_params.db_thread =
       web::WebThread::GetTaskRunnerForThread(web::WebThread::DB);
   init_params.file_thread =
       web::WebThread::GetTaskRunnerForThread(web::WebThread::FILE);
   init_params.blocking_pool = web::WebThread::GetBlockingPool();
 
-  auto pss = make_scoped_ptr(new ProfileSyncService(std::move(init_params)));
+  auto pss = base::WrapUnique(new ProfileSyncService(std::move(init_params)));
 
   // Will also initialize the sync client.
   pss->Initialize();
   return std::move(pss);
 }