[Sync] Move attachments code out of core/.

components/sync/engine/attachments/on_disk_attachment_store.h

 // 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.
 
-#ifndef COMPONENTS_SYNC_CORE_ATTACHMENTS_ON_DISK_ATTACHMENT_STORE_H_
-#define COMPONENTS_SYNC_CORE_ATTACHMENTS_ON_DISK_ATTACHMENT_STORE_H_
+#ifndef COMPONENTS_SYNC_ENGINE_ATTACHMENTS_ON_DISK_ATTACHMENT_STORE_H_
+#define COMPONENTS_SYNC_ENGINE_ATTACHMENTS_ON_DISK_ATTACHMENT_STORE_H_
 
 #include <memory>
 #include <string>
 
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/threading/non_thread_safe.h"
 #include "components/sync/api/attachments/attachment.h"
 #include "components/sync/api/attachments/attachment_id.h"
 #include "components/sync/api/attachments/attachment_store.h"
-#include "components/sync/api/attachments/attachment_store_backend.h"
+#include "components/sync/engine/attachments/attachment_store_backend.h"
 
 namespace attachment_store_pb {
 class RecordMetadata;
 }  // namespace attachment_store_pb
 
 namespace base {
 class SequencedTaskRunner;
 }  // namespace base
 
 namespace leveldb {
@@ skipping 68 matching lines @@
       const attachment_store_pb::RecordMetadata& record_metadata);
 
   const base::FilePath path_;
   std::unique_ptr<leveldb::DB> db_;
 
   DISALLOW_COPY_AND_ASSIGN(OnDiskAttachmentStore);
 };
 
 }  // namespace syncer
 
-#endif  // COMPONENTS_SYNC_CORE_ATTACHMENTS_ON_DISK_ATTACHMENT_STORE_H_
+#endif  // COMPONENTS_SYNC_ENGINE_ATTACHMENTS_ON_DISK_ATTACHMENT_STORE_H_