[Sync] Rewriting ".reset(new" pattern to use "= base::MakeUnique" instead.

components/sync/model_impl/attachments/attachment_service_impl.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 "components/sync/model_impl/attachments/attachment_service_impl.h"
 
 #include <iterator>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/location.h"
+#include "base/memory/ptr_util.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "components/sync/engine/attachments/fake_attachment_downloader.h"
 #include "components/sync/engine/attachments/fake_attachment_uploader.h"
 #include "components/sync/model/attachments/attachment.h"
 
 namespace syncer {
 
 // GetOrDownloadAttachments starts multiple parallel DownloadAttachment calls.
@@ skipping 100 matching lines @@
       attachment_downloader_(std::move(attachment_downloader)),
       delegate_(delegate),
       weak_ptr_factory_(this) {
   DCHECK(CalledOnValidThread());
   DCHECK(attachment_store_.get());
 
   // TODO(maniscalco): Observe network connectivity change events.  When the
   // network becomes disconnected, consider suspending queue dispatch.  When
   // connectivity is restored, consider clearing any dispatch backoff (bug
   // 411981).
-  upload_task_queue_.reset(new TaskQueue<AttachmentId>(
+  upload_task_queue_ = base::MakeUnique<TaskQueue<AttachmentId>>(
       base::Bind(&AttachmentServiceImpl::BeginUpload,
                  weak_ptr_factory_.GetWeakPtr()),
-      initial_backoff_delay, max_backoff_delay));
+      initial_backoff_delay, max_backoff_delay);
 
   net::NetworkChangeNotifier::AddNetworkChangeObserver(this);
 }
 
 AttachmentServiceImpl::~AttachmentServiceImpl() {
   DCHECK(CalledOnValidThread());
   net::NetworkChangeNotifier::RemoveNetworkChangeObserver(this);
 }
 
 void AttachmentServiceImpl::GetOrDownloadAttachments(
@@ skipping 157 matching lines @@
                                  weak_ptr_factory_.GetWeakPtr()));
   }
 }
 
 void AttachmentServiceImpl::SetTimerForTest(
     std::unique_ptr<base::Timer> timer) {
   upload_task_queue_->SetTimerForTest(std::move(timer));
 }
 
 }  // namespace syncer