[Sync] Move some directory-related things from core/ to syncable/.

components/sync/core/change_record.h

-// Copyright 2012 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_SYNC_CORE_CHANGE_RECORD_H_
-#define COMPONENTS_SYNC_CORE_CHANGE_RECORD_H_
-
-#include <stdint.h>
-
-#include <memory>
-#include <vector>
-
-#include "base/memory/linked_ptr.h"
-#include "components/sync/base/immutable.h"
-#include "components/sync/protocol/password_specifics.pb.h"
-#include "components/sync/protocol/sync.pb.h"
-
-namespace base {
-class DictionaryValue;
-}  // namespace base
-
-namespace syncer {
-
-// TODO(zea): One day get passwords playing nicely with the rest of encryption
-// and get rid of this.
-class ExtraPasswordChangeRecordData {
- public:
-  ExtraPasswordChangeRecordData();
-  explicit ExtraPasswordChangeRecordData(
-      const sync_pb::PasswordSpecificsData& data);
-  virtual ~ExtraPasswordChangeRecordData();
-
-  virtual std::unique_ptr<base::DictionaryValue> ToValue() const;
-
-  const sync_pb::PasswordSpecificsData& unencrypted() const;
-
- private:
-  sync_pb::PasswordSpecificsData unencrypted_;
-};
-
-// ChangeRecord indicates a single item that changed as a result of a sync
-// operation.  This gives the sync id of the node that changed, and the type
-// of change.  To get the actual property values after an ADD or UPDATE, the
-// client should get the node with InitByIdLookup(), using the provided id.
-struct ChangeRecord {
-  enum Action {
-    ACTION_ADD,
-    ACTION_DELETE,
-    ACTION_UPDATE,
-  };
-  ChangeRecord();
-  ChangeRecord(const ChangeRecord& other);
-  ~ChangeRecord();
-
-  std::unique_ptr<base::DictionaryValue> ToValue() const;
-
-  int64_t id;
-  Action action;
-  sync_pb::EntitySpecifics specifics;
-  linked_ptr<ExtraPasswordChangeRecordData> extra;
-};
-
-typedef std::vector<ChangeRecord> ChangeRecordList;
-
-typedef Immutable<ChangeRecordList> ImmutableChangeRecordList;
-
-}  // namespace syncer
-
-#endif  // COMPONENTS_SYNC_CORE_CHANGE_RECORD_H_