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// 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.
#ifndef CHROME_BROWSER_NETWORK_TIME_NETWORK_TIME_SERVICE_H_
#define CHROME_BROWSER_NETWORK_TIME_NETWORK_TIME_SERVICE_H_
#include "base/memory/scoped_ptr.h"
#include "base/time/time.h"
#include "components/browser_context_keyed_service/browser_context_keyed_service.h"
class NetworkTimeTracker;
class Profile;
namespace user_prefs {
class PrefRegistrySyncable;
}
// NetworkTimeService can convert local time to network time.
class NetworkTimeService : public BrowserContextKeyedService {
public:
explicit NetworkTimeService(Profile* profile);
virtual ~NetworkTimeService();
static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
// Return network time corresponding to |local_time| if possible. Return
// |local_time| otherwise.
base::Time GetNetworkTime(const base::Time& local_time);
// Shortcut to get current time.
base::Time GetNetworkNow();
virtual void Shutdown() OVERRIDE;
private:
Profile* profile_;
scoped_ptr<NetworkTimeTracker> network_time_tracker_;
};
#endif // CHROME_BROWSER_NETWORK_TIME_NETWORK_TIME_SERVICE_H_
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