[Sync] Fixing easy lint violations.

chrome/browser/sync/test/integration/sync_app_helper.cc

 // Copyright (c) 2012 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/sync/test/integration/sync_app_helper.h"
 
+#include <list>
+#include <map>
+#include <memory>
+
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/launch_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sync/test/integration/extensions_helper.h"
 #include "chrome/browser/sync/test/integration/sync_datatype_helper.h"
 #include "chrome/browser/sync/test/integration/sync_extension_helper.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/extensions/manifest_handlers/app_launch_info.h"
 #include "chrome/common/extensions/sync_helper.h"
 #include "components/crx_file/id_util.h"
@@ skipping 196 matching lines @@
       crx_file::id_util::GenerateId(name), app_launch_ordinal);
 }
 
 void SyncAppHelper::FixNTPOrdinalCollisions(Profile* profile) {
   ExtensionSystem::Get(profile)->app_sorting()->FixNTPOrdinalCollisions();
 }
 
 SyncAppHelper::SyncAppHelper() : setup_completed_(false) {}
 
 SyncAppHelper::~SyncAppHelper() {}