Rewrite base::Bind to base::BindOnce with base_bind_rewriters in //chrome/browser/sync_file_system

chrome/browser/sync_file_system/drive_backend/callback_helper.h

Index: chrome/browser/sync_file_system/drive_backend/callback_helper.h
diff --git a/chrome/browser/sync_file_system/drive_backend/callback_helper.h b/chrome/browser/sync_file_system/drive_backend/callback_helper.h
index e1064b2327187513ad5db4d0e307743d91966c95..d4fac2f2e63943c60f7cc1aafb551184ae126bcb 100644
--- a/chrome/browser/sync_file_system/drive_backend/callback_helper.h
+++ b/chrome/browser/sync_file_system/drive_backend/callback_helper.h
@@ -78,7 +78,7 @@ struct RelayToTaskRunnerHelper<void(Args...)> {
   static void Run(CallbackHolder<void(Args...)>* holder, Args... args) {
     holder->task_runner()->PostTask(
         holder->from_here(),
-        base::Bind(holder->callback(), RebindForward(args)...));
+        base::BindOnce(holder->callback(), RebindForward(args)...));
   }
 };