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// Copyright 2015 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_RAPPOR_RAPPOR_PREFS_H_
#define COMPONENTS_RAPPOR_RAPPOR_PREFS_H_
#include <string>
#include "base/basictypes.h"
class PrefService;
class PrefRegistrySimple;
namespace rappor {
namespace internal {
enum LoadResult {
LOAD_SUCCESS = 0,
LOAD_EMPTY_VALUE,
LOAD_CORRUPT_VALUE,
NUM_LOAD_RESULTS,
};
extern const char kLoadCohortHistogramName[];
extern const char kLoadSecretHistogramName[];
// Registers all rappor preferences.
void RegisterPrefs(PrefRegistrySimple* registry);
// Retrieves the cohort number this client was assigned to, generating it if
// doesn't already exist. The cohort should be persistent.
int32_t LoadCohort(PrefService* pref_service);
// Retrieves the value for secret from preferences, generating it if doesn't
// already exist. The secret should be persistent, so that additional bits
// from the client do not get exposed over time.
std::string LoadSecret(PrefService* pref_service);
} // namespace internal
} // namespace rappor
#endif // COMPONENTS_RAPPOR_RAPPOR_PREFS_H_
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