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

chrome/browser/sync_file_system/local/local_file_sync_context_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 "chrome/browser/sync_file_system/local/local_file_sync_context.h"
 
 #include <stdint.h>
 #include <utility>
 #include <vector>
 
@@ skipping 166 matching lines @@
   }
 
   void StartModifyFileOnIOThread(CannedSyncableFileSystem* file_system,
                                  const FileSystemURL& url) {
     ASSERT_TRUE(file_system != nullptr);
     if (!io_task_runner_->RunsTasksOnCurrentThread()) {
       async_modify_finished_ = false;
       ASSERT_TRUE(ui_task_runner_->RunsTasksOnCurrentThread());
       io_task_runner_->PostTask(
           FROM_HERE,
-          base::Bind(&LocalFileSyncContextTest::StartModifyFileOnIOThread,
-                     base::Unretained(this), file_system, url));
+          base::BindOnce(&LocalFileSyncContextTest::StartModifyFileOnIOThread,
+                         base::Unretained(this), file_system, url));
       return;
     }
     ASSERT_TRUE(io_task_runner_->RunsTasksOnCurrentThread());
     file_error_ = base::File::FILE_ERROR_FAILED;
     file_system->operation_runner()->Truncate(
         url, 1, base::Bind(&LocalFileSyncContextTest::DidModifyFile,
                            base::Unretained(this)));
   }
 
   base::File::Error WaitUntilModifyFileIsDone() {
     while (!async_modify_finished_)
       base::RunLoop().RunUntilIdle();
     return file_error_;
   }
 
   void DidModifyFile(base::File::Error error) {
     if (!ui_task_runner_->RunsTasksOnCurrentThread()) {
       ASSERT_TRUE(io_task_runner_->RunsTasksOnCurrentThread());
       ui_task_runner_->PostTask(
-          FROM_HERE,
-          base::Bind(&LocalFileSyncContextTest::DidModifyFile,
-                     base::Unretained(this), error));
+          FROM_HERE, base::BindOnce(&LocalFileSyncContextTest::DidModifyFile,
+                                    base::Unretained(this), error));
       return;
     }
     ASSERT_TRUE(ui_task_runner_->RunsTasksOnCurrentThread());
     file_error_ = error;
     async_modify_finished_ = true;
   }
 
   void SimulateFinishSync(FileSystemContext* file_system_context,
                           const FileSystemURL& url,
                           SyncStatusCode status,
@@ skipping 732 matching lines @@
 
   // Make sure kDir and kFile are created by ApplyRemoteChange.
   EXPECT_EQ(base::File::FILE_OK, file_system.FileExists(kFile));
   EXPECT_EQ(base::File::FILE_OK, file_system.DirectoryExists(kDir));
 
   sync_context_->ShutdownOnUIThread();
   file_system.TearDown();
 }
 
 }  // namespace sync_file_system