Re-write many calls to WrapUnique() with MakeUnique()

chrome/browser/sync_file_system/local/local_file_sync_context.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 <utility>
 
 #include "base/bind.h"
 #include "base/files/file_util.h"
@@ skipping 894 matching lines @@
   FileChangeList changes;
   backend->change_tracker()->GetChangesForURL(url, &changes);
 
   base::FilePath platform_path;
   base::File::Info file_info;
   FileSystemFileUtil* file_util =
       file_system_context->sandbox_delegate()->sync_file_util();
   DCHECK(file_util);
 
   base::File::Error file_error = file_util->GetFileInfo(
-      base::WrapUnique(new FileSystemOperationContext(file_system_context))
-          .get(),
+      base::MakeUnique<FileSystemOperationContext>(file_system_context).get(),
       url, &file_info, &platform_path);
 
   storage::ScopedFile snapshot;
   if (file_error == base::File::FILE_OK && sync_mode == SYNC_SNAPSHOT) {
     base::FilePath snapshot_path;
     base::CreateTemporaryFileInDir(local_base_path_.Append(kSnapshotDir),
                                    &snapshot_path);
     if (base::CopyFile(platform_path, snapshot_path)) {
       platform_path = snapshot_path;
       snapshot =
@@ skipping 121 matching lines @@
     return;
   }
 
   FileSystemURL url_for_sync = CreateSyncableFileSystemURLForSync(
       file_system_context, dest_url);
   file_system_context->operation_runner()->CopyInForeignFile(
       local_path, url_for_sync, callback);
 }
 
 }  // namespace sync_file_system