Extract protobuf database into a new 'leveldb_proto' component

components/dom_distiller/core/fake_db.cc

-// 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.
-
-#include "components/dom_distiller/core/fake_db.h"
-
-#include "base/bind.h"
-
-namespace dom_distiller {
-namespace test {
-
-FakeDB::FakeDB(EntryMap* db) : db_(db) {}
-
-FakeDB::~FakeDB() {}
-
-void FakeDB::Init(const base::FilePath& database_dir,
-                  DomDistillerDatabaseInterface::InitCallback callback) {
- dir_ = database_dir;
-  init_callback_ = callback;
-}
-
-void FakeDB::UpdateEntries(
-    scoped_ptr<EntryVector> entries_to_save,
-    scoped_ptr<EntryVector> entries_to_remove,
-    DomDistillerDatabaseInterface::UpdateCallback callback) {
-  for (EntryVector::iterator it = entries_to_save->begin();
-       it != entries_to_save->end();
-       ++it) {
-    (*db_)[it->entry_id()] = *it;
-  }
-  for (EntryVector::iterator it = entries_to_remove->begin();
-       it != entries_to_remove->end();
-       ++it) {
-    (*db_).erase(it->entry_id());
-  }
-  update_callback_ = callback;
-}
-
-void FakeDB::LoadEntries(DomDistillerDatabaseInterface::LoadCallback callback) {
-  scoped_ptr<EntryVector> entries(new EntryVector());
-  for (EntryMap::iterator it = db_->begin(); it != db_->end(); ++it) {
-    entries->push_back(it->second);
-  }
-  load_callback_ =
-      base::Bind(RunLoadCallback, callback, base::Passed(&entries));
-}
-
-base::FilePath& FakeDB::GetDirectory() { return dir_; }
-
-void FakeDB::InitCallback(bool success) {
-  init_callback_.Run(success);
-  init_callback_.Reset();
-}
-
-void FakeDB::LoadCallback(bool success) {
-  load_callback_.Run(success);
-  load_callback_.Reset();
-}
-
-void FakeDB::UpdateCallback(bool success) {
-  update_callback_.Run(success);
-  update_callback_.Reset();
-}
-
-// static
-void FakeDB::RunLoadCallback(
-    DomDistillerDatabaseInterface::LoadCallback callback,
-    scoped_ptr<EntryVector> entries,
-    bool success) {
-  callback.Run(success, entries.Pass());
-}
-
-// static
-base::FilePath FakeDB::DirectoryForTestDB() {
-  return base::FilePath(FILE_PATH_LITERAL("/fake/path"));
-}
-
-}  // namespace test
-}  // namespace dom_distiller