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

chrome/browser/sync_file_system/drive_backend/sync_worker_unittest.cc

 // 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.
 
 #include "chrome/browser/sync_file_system/drive_backend/sync_worker.h"
 
 #include <utility>
 
 #include "base/files/scoped_temp_dir.h"
 #include "base/location.h"
@@ skipping 21 matching lines @@
 #include "third_party/leveldatabase/src/include/leveldb/env.h"
 
 namespace sync_file_system {
 namespace drive_backend {
 
 namespace {
 
 const char kAppID[] = "app_id";
 
 void EmptyTask(SyncStatusCode status, const SyncStatusCallback& callback) {
-  base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE,
-                                                base::Bind(callback, status));
+  base::ThreadTaskRunnerHandle::Get()->PostTask(
+      FROM_HERE, base::BindOnce(callback, status));
 }
 
 }  // namespace
 
 class MockSyncTask : public ExclusiveTask {
  public:
   explicit MockSyncTask(bool used_network) {
     set_used_network(used_network);
   }
   ~MockSyncTask() override {}
@@ skipping 321 matching lines @@
       FROM_HERE, std::unique_ptr<SyncTask>(new MockSyncTask(true)),
       SyncTaskManager::PRIORITY_MED,
       base::Bind(&SyncWorkerTest::CheckServiceState, AsWeakPtr(),
                  SYNC_STATUS_OK, REMOTE_SERVICE_OK));
 
   base::RunLoop().RunUntilIdle();
 }
 
 }  // namespace drive_backend
 }  // namespace sync_file_system