Allow Catalogs to be constructed per-user

mojo/services/catalog/owner.h

-// Copyright 2016 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 MOJO_SERVICES_CATALOG_OWNER_H_
-#define MOJO_SERVICES_CATALOG_OWNER_H_
-
-#include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
-#include "mojo/shell/public/interfaces/shell_client.mojom.h"
-
-namespace base {
-class TaskRunner;
-}
-
-namespace mojo{
-class ShellClient;
-class ShellConnection;
-}
-
-namespace catalog {
-
-class Store;
-
-// Creates and owns an instance of the catalog. Exposes a ShellClientPtr that
-// can be passed to the Shell, potentially in a different process.
-class Owner {
- public:
-  Owner(base::TaskRunner* file_task_runner, scoped_ptr<Store> store);
-  ~Owner();
-
-  mojo::shell::mojom::ShellClientPtr TakeShellClient();
-
- private:
-  mojo::shell::mojom::ShellClientPtr shell_client_;
-  scoped_ptr<mojo::ShellClient> catalog_shell_client_;
-  scoped_ptr<mojo::ShellConnection> catalog_connection_;
-
-  DISALLOW_COPY_AND_ASSIGN(Owner);
-};
-
-}  // namespace catalog
-
-#endif  // MOJO_SERVICES_CATALOG_OWNER_H_