Extract protobuf database into a new 'leveldb_proto' component

components/dom_distiller/core/fake_db.h

-// Copyright 2013 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_DOM_DISTILLER_CORE_FAKE_DB_H_
-#define COMPONENTS_DOM_DISTILLER_CORE_FAKE_DB_H_
-
-#include <string>
-
-#include "components/dom_distiller/core/dom_distiller_database.h"
-
-namespace dom_distiller {
-namespace test {
-
-class FakeDB : public DomDistillerDatabaseInterface {
-  typedef base::Callback<void(bool)> Callback;
-
- public:
-  typedef base::hash_map<std::string, ArticleEntry> EntryMap;
-
-  explicit FakeDB(EntryMap* db);
-  virtual ~FakeDB();
-
-  virtual void Init(const base::FilePath& database_dir,
-                    DomDistillerDatabaseInterface::InitCallback callback)
-      OVERRIDE;
-
-  virtual void UpdateEntries(
-      scoped_ptr<EntryVector> entries_to_save,
-      scoped_ptr<EntryVector> entries_to_remove,
-      DomDistillerDatabaseInterface::UpdateCallback callback) OVERRIDE;
-
-  virtual void LoadEntries(DomDistillerDatabaseInterface::LoadCallback callback)
-      OVERRIDE;
-  base::FilePath& GetDirectory();
-
-  void InitCallback(bool success);
-
-  void LoadCallback(bool success);
-
-  void UpdateCallback(bool success);
-
-  static base::FilePath DirectoryForTestDB();
-
- private:
-  static void RunLoadCallback(
-      DomDistillerDatabaseInterface::LoadCallback callback,
-      scoped_ptr<EntryVector> entries,
-      bool success);
-
-  base::FilePath dir_;
-  EntryMap* db_;
-
-  Callback init_callback_;
-  Callback load_callback_;
-  Callback update_callback_;
-};
-
-}  // namespace test
-}  // namespace dom_distiller
-
-#endif  // COMPONENTS_DOM_DISTILLER_CORE_FAKE_DB_H_