[Sync] Move //sync to //components/sync.

sync/api/sync_merge_result.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 SYNC_API_SYNC_MERGE_RESULT_H_
-#define SYNC_API_SYNC_MERGE_RESULT_H_
-
-#include <stdint.h>
-
-#include "sync/api/sync_error.h"
-#include "sync/base/sync_export.h"
-#include "sync/internal_api/public/base/model_type.h"
-
-namespace syncer {
-
-// A model-type-specific view of a sync merge. This class encapsulates the
-// state before and after the merge as well as the deltas and any error that
-// occurred.
-// Note: This class only tracks one side of the merge. In other words, if built
-// by the local SyncableService, all values correspond to the local state before
-// and after merging, and the delta's applied to that state. Sync's change
-// processor will create a separate merge result.
-class SYNC_EXPORT SyncMergeResult {
- public:
-  // Initialize an empty merge result for model type |type|.
-  explicit SyncMergeResult(ModelType type);
-  SyncMergeResult(const SyncMergeResult& other);
-  ~SyncMergeResult();
-
-  // Default copy and assign welcome.
-
-  // Setters.
-  // Note: if |error.IsSet()| is true, |error.type()| must match model_type_
-  void set_error(SyncError error);
-  void set_num_items_before_association(int num_items_before_association);
-  void set_num_items_after_association(int num_items_after_association);
-  void set_num_items_added(int num_items_added);
-  void set_num_items_deleted(int num_items_deleted);
-  void set_num_items_modified(int num_items_modified);
-  void set_pre_association_version(int64_t version);
-
-  // Getters.
-  ModelType model_type() const;
-  SyncError error() const;
-  int num_items_before_association() const;
-  int num_items_after_association() const;
-  int num_items_added() const;
-  int num_items_deleted() const;
-  int num_items_modified() const;
-  int64_t pre_association_version() const;
-
- private:
-  // Make |this| into a copy of |other|.
-  void CopyFrom(const SyncMergeResult& other);
-
-  // The datatype that was associated.
-  ModelType model_type_;
-
-  // The error encountered during association. Unset if no error was
-  // encountered.
-  SyncError error_;
-
-  // The state of the world before association.
-  int num_items_before_association_;
-
-  // The state of the world after association.
-  int num_items_after_association_;
-
-  // The changes that took place during association. In a correctly working
-  // system these should be the deltas between before and after.
-  int num_items_added_;
-  int num_items_deleted_;
-  int num_items_modified_;
-
-  // Version of model before association.
-  int64_t pre_association_version_;
-};
-
-}  // namespace syncer
-
-#endif  // SYNC_API_SYNC_MERGE_RESULT_H_