// 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 COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_PASSWORD_MANAGER_METRICS_UTIL_H_
#define COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_PASSWORD_MANAGER_METRICS_UTIL_H_
#include <string>
class PrefService;
namespace password_manager_metrics_util {
// We monitor the performance of the save password heuristic for a handful of
// domains. For privacy reasons we are not reporting UMA signals by domain, but
// by a domain group. A domain group can contain multiple domains, and a domain
// can be contained in multiple groups.
// For more information see http://goo.gl/vUuFd5.
// The number of groups in which each monitored website appears.
// It is a half of the total number of groups.
const size_t kGroupsPerDomain = 10u;
// Check whether the |url_host| is monitored or not. If yes, we return
// the id of the group which contains the domain name otherwise
// returns 0. |pref_service| needs to be the profile preference service.
size_t MonitoredDomainGroupId(const std::string& url_host,
PrefService* pref_service);
// A version of the UMA_HISTOGRAM_ENUMERATION macro that allows the |name|
// to vary over the program's runtime.
void LogUMAHistogramEnumeration(const std::string& name,
int sample,
int boundary_value);
// A version of the UMA_HISTOGRAM_BOOLEAN macro that allows the |name|
// to vary over the program's runtime.
void LogUMAHistogramBoolean(const std::string& name, bool sample);
// Returns a string which contains group_|group_id|. If the
// |group_id| corresponds to an unmonitored domain returns an empty string.
std::string GroupIdToString(size_t group_id);
} // namespace password_manager_metrics_util
#endif // COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_PASSWORD_MANAGER_METRICS_UTIL_H_