Simplify resolve.

mojo/services/catalog/reader.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_READER_H_
-#define MOJO_SERVICES_CATALOG_READER_H_
-
-#include "base/callback.h"
-#include "base/files/file_path.h"
-#include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/weak_ptr.h"
-#include "base/values.h"
-
-namespace base {
-class TaskRunner;
-}
-
-namespace catalog {
-
-class Entry;
-
-// Encapsulates manifest reading.
-class Reader {
- public:
-  using ReadManifestCallback =
-      base::Callback<void(scoped_ptr<Entry> entry)>;
-
-  // Loads manifests relative to |package_path|. Performs file operations on
-  // |file_task_runner|.
-  Reader(const base::FilePath& package_path,
-         base::TaskRunner* file_task_runner);
-  ~Reader();
-
-  // Attempts to load a manifest for |name|, and returns an Entry built from the
-  // metadata it contains via |callback|.
-  void Read(const std::string& name,
-            const ReadManifestCallback& callback);
-
- private:
-  // Construct a manifest path for the application named |name| within
-  // |package_path_|.
-  base::FilePath GetManifestPath(const std::string& name) const;
-
-  base::FilePath package_path_;
-  base::TaskRunner* file_task_runner_;
-  base::WeakPtrFactory<Reader> weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(Reader);
-};
-
-}  // namespace catalog
-
-#endif  // MOJO_SERVICES_CATALOG_READER_H_