Implementation of OnDiskAttachmentStore.

sync/api/attachments/attachment_store.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/api/attachments/attachment_store.h"
 
 #include "base/thread_task_runner_handle.h"
 #include "sync/internal_api/public/attachments/attachment_store_handle.h"
 #include "sync/internal_api/public/attachments/in_memory_attachment_store.h"
+#include "sync/internal_api/public/attachments/on_disk_attachment_store.h"
 
 namespace syncer {
 
 AttachmentStoreBase::AttachmentStoreBase() {}
 AttachmentStoreBase::~AttachmentStoreBase() {}
 
 AttachmentStore::AttachmentStore() {}
 AttachmentStore::~AttachmentStore() {}
 
 scoped_refptr<AttachmentStore> AttachmentStore::CreateInMemoryStore() {
   // Both frontend and backend of attachment store will live on current thread.
   scoped_ptr<AttachmentStoreBase> backend(
       new InMemoryAttachmentStore(base::ThreadTaskRunnerHandle::Get()));
   return scoped_refptr<AttachmentStore>(new AttachmentStoreHandle(
       backend.Pass(), base::ThreadTaskRunnerHandle::Get()));
 }
 
+scoped_refptr<AttachmentStore> AttachmentStore::CreateOnDiskStore(
+    const base::FilePath& path) {
+  scoped_ptr<AttachmentStoreBase> backend(
+      new OnDiskAttachmentStore(path, base::ThreadTaskRunnerHandle::Get()));
+  return scoped_refptr<AttachmentStore>(new AttachmentStoreHandle(
+      backend.Pass(), base::ThreadTaskRunnerHandle::Get()));
+}
+
 }  // namespace syncer