chrome/browser/password_manager/password_manager_metrics_util.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_PASSWORD_MANAGER_PASSWORD_MANAGER_METRICS_UTIL_H_
   6 #define CHROME_BROWSER_PASSWORD_MANAGER_PASSWORD_MANAGER_METRICS_UTIL_H_
   7
   8 #include <string>
   9
  10 class PrefService;
  11
  12 namespace password_manager_metrics_util {
  13
  14 // We monitor the performance of the save password heuristic for a handful of
  15 // domains. For privacy reasons we are not reporting UMA signals by domain, but
  16 // by a domain group. A domain group can contain multiple domains, and a domain
  17 // can be contained in multiple groups.
  18 // For more information see http://goo.gl/vUuFd5.
  19
  20 // The number of groups in which each monitored website appears.
  21 // It is a half of the total number of groups.
  22 const size_t kGroupsPerDomain = 10u;
  23
  24 // Check whether the |url_host| is monitored or not. If yes, we return
  25 // the id of the group which contains the domain name otherwise
  26 // returns 0. |pref_service| needs to be the profile preference service.
  27 size_t MonitoredDomainGroupId(const std::string& url_host,
  28                               PrefService* pref_service);
  29
  30 // A version of the UMA_HISTOGRAM_ENUMERATION macro that allows the |name|
  31 // to vary over the program's runtime.
  32 void LogUMAHistogramEnumeration(const std::string& name,
  33                                 int sample,
  34                                 int boundary_value);
  35
  36 // A version of the UMA_HISTOGRAM_BOOLEAN macro that allows the |name|
  37 // to vary over the program's runtime.
  38 void LogUMAHistogramBoolean(const std::string& name, bool sample);
  39
  40 // Returns a string which contains group_|group_id|. If the
  41 // |group_id| corresponds to an unmonitored domain returns an empty string.
  42 std::string GroupIdToString(size_t group_id);
  43
  44 }  // namespace password_manager_metrics_util
  45
  46 #endif  // CHROME_BROWSER_PASSWORD_MANAGER_PASSWORD_MANAGER_METRICS_UTIL_H_