Switch to standard integer types in components/, part 4 of 4.

components/sync_driver/backup_rollback_controller.h

 // 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.
 
 #ifndef COMPONENTS_SYNC_DRIVER_BACKUP_ROLLBACK_CONTROLLER_H_
 #define COMPONENTS_SYNC_DRIVER_BACKUP_ROLLBACK_CONTROLLER_H_
 
 #include "base/callback.h"
+#include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 
 class SigninManagerWrapper;
 
 namespace sync_driver {
 
 class SyncPrefs;
 
 // BackupRollbackController takes two closures for starting backup/rollback
 // process. It calls the closures according to user's signin status or
@@ skipping 33 matching lines @@
 
   base::Closure start_backup_;
   base::Closure start_rollback_;
 
   DISALLOW_COPY_AND_ASSIGN(BackupRollbackController);
 };
 
 }  // namespace sync_driver
 
 #endif  // COMPONENTS_SYNC_DRIVER_BACKUP_ROLLBACK_CONTROLLER_H_