Rewrite base::Bind into base::BindOnce on trivial cases in base

base/sequence_checker_unittest.cc

 // Copyright 2013 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 <stddef.h>
 
 #include <memory>
 #include <string>
 
 #include "base/bind.h"
@@ skipping 232 matching lines @@
   sequence_checker.DetachFromSequence();
 
   PostToSequencedWorkerPool(
       Bind(&ExpectCalledOnValidSequence, Unretained(&sequence_checker)), "A");
   PostToSequencedWorkerPool(
       Bind(&ExpectCalledOnValidSequence, Unretained(&sequence_checker)), "A");
   FlushSequencedWorkerPoolForTesting();
 
   SequencedWorkerPoolOwner second_pool_owner(kNumWorkerThreads, "test2");
   second_pool_owner.pool()->PostNamedSequencedWorkerTask(
-      "A", FROM_HERE, base::Bind(&ExpectNotCalledOnValidSequence,
-                                 base::Unretained(&sequence_checker)));
+      "A", FROM_HERE,
+      base::BindOnce(&ExpectNotCalledOnValidSequence,
+                     base::Unretained(&sequence_checker)));
   second_pool_owner.pool()->FlushForTesting();
 }
 
 }  // namespace base