Convert //sync from scoped_ptr to std::unique_ptr

sync/internal_api/attachments/attachment_service_proxy.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 "sync/internal_api/public/attachments/attachment_service_proxy.h"
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "base/thread_task_runner_handle.h"
 
 namespace syncer {
 
 namespace {
 
 // These ProxyFooCallback functions are used to invoke a callback in a specific
 // thread.
 
 // Invokes |callback| with |result| and |attachments| in the |task_runner|
 // thread.
 void ProxyGetOrDownloadCallback(
     const scoped_refptr<base::SequencedTaskRunner>& task_runner,
     const AttachmentService::GetOrDownloadCallback& callback,
     const AttachmentService::GetOrDownloadResult& result,
-    scoped_ptr<AttachmentMap> attachments) {
+    std::unique_ptr<AttachmentMap> attachments) {
   task_runner->PostTask(
       FROM_HERE, base::Bind(callback, result, base::Passed(&attachments)));
 }
 
 }  // namespace
 
 AttachmentServiceProxy::AttachmentServiceProxy() {
 }
 
 AttachmentServiceProxy::AttachmentServiceProxy(
@@ skipping 60 matching lines @@
 
 void AttachmentServiceProxy::Core::UploadAttachments(
     const AttachmentIdList& attachment_ids) {
   if (!wrapped_) {
     return;
   }
   wrapped_->UploadAttachments(attachment_ids);
 }
 
 }  // namespace syncer