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// Copyright (c) 2011 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 CHROME_BROWSER_SYNC_API_SYNC_CHANGE_PROCESSOR_H_
#define CHROME_BROWSER_SYNC_API_SYNC_CHANGE_PROCESSOR_H_
#pragma once
#include <vector>
#include "chrome/browser/sync/api/sync_error.h"
class SyncChange;
namespace tracked_objects {
class Location;
} // namespace tracked_objects
typedef std::vector<SyncChange> SyncChangeList;
// An interface for services that handle receiving SyncChanges.
class SyncChangeProcessor {
public:
SyncChangeProcessor();
virtual ~SyncChangeProcessor();
// Process a list of SyncChanges.
// Returns: A default SyncError (IsSet() == false) if no errors were
// encountered, and a filled SyncError (IsSet() == true)
// otherwise.
// Inputs:
// |from_here|: allows tracking of where sync changes originate.
// |change_list|: is the list of sync changes in need of processing.
virtual SyncError ProcessSyncChanges(
const tracked_objects::Location& from_here,
const SyncChangeList& change_list) = 0;
protected:
};
#endif // CHROME_BROWSER_SYNC_API_SYNC_CHANGE_PROCESSOR_H_
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