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// Copyright 2014 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_GLUE_LOCAL_DEVICE_INFO_PROVIDER_IMPL_H_
#define CHROME_BROWSER_SYNC_GLUE_LOCAL_DEVICE_INFO_PROVIDER_IMPL_H_
#include "base/memory/weak_ptr.h"
#include "components/sync_driver/device_info.h"
#include "components/sync_driver/local_device_info_provider.h"
namespace chrome {
class VersionInfo;
}
namespace browser_sync {
class LocalDeviceInfoProviderImpl
: public sync_driver::LocalDeviceInfoProvider {
public:
LocalDeviceInfoProviderImpl();
~LocalDeviceInfoProviderImpl() override;
// LocalDeviceInfoProvider implementation.
const sync_driver::DeviceInfo* GetLocalDeviceInfo() const override;
std::string GetLocalSyncCacheGUID() const override;
void Initialize(const std::string& cache_guid,
const std::string& signin_scoped_device_id) override;
scoped_ptr<Subscription> RegisterOnInitializedCallback(
const base::Closure& callback) override;
// Helper to construct a user agent string (ASCII) suitable for use by
// the syncapi for any HTTP communication. This string is used by the sync
// backend for classifying client types when calculating statistics.
static std::string MakeUserAgentForSyncApi(
const chrome::VersionInfo& version_info);
private:
void InitializeContinuation(const std::string& guid,
const std::string& signin_scoped_device_id,
const std::string& session_name);
std::string cache_guid_;
scoped_ptr<sync_driver::DeviceInfo> local_device_info_;
base::CallbackList<void(void)> callback_list_;
base::WeakPtrFactory<LocalDeviceInfoProviderImpl> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(LocalDeviceInfoProviderImpl);
};
} // namespace browser_sync
#endif // CHROME_BROWSER_SYNC_GLUE_LOCAL_DEVICE_INFO_PROVIDER_IMPL_H_
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