components/metrics/metrics_service_accessor.cc

   1 // Copyright 2014 The Chromium Authors
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "components/metrics/metrics_service_accessor.h"
   6
   7 #include "base/base_switches.h"
   8 #include "build/branding_buildflags.h"
   9 #include "components/metrics/metrics_pref_names.h"
  10 #include "components/metrics/metrics_service.h"
  11 #include "components/metrics/metrics_switches.h"
  12 #include "components/prefs/pref_service.h"
  13 #include "components/variations/hashing.h"
  14 #include "components/variations/synthetic_trial_registry.h"
  15
  16 namespace metrics {
  17 namespace {
  18
  19 bool g_force_official_enabled_test = false;
  20
  21 bool IsMetricsReportingEnabledForOfficialBuild(PrefService* pref_service) {
  22   return pref_service->GetBoolean(prefs::kMetricsReportingEnabled);
  23 }
  24
  25 }  // namespace
  26
  27 // static
  28 bool MetricsServiceAccessor::IsMetricsReportingEnabled(
  29     PrefService* pref_service) {
  30   if (IsMetricsReportingForceEnabled()) {
  31     LOG(WARNING) << "Metrics Reporting is force enabled, data will be sent to "
  32                     "servers. Should not be used for tests.";
  33     return true;
  34   }
  35 #if BUILDFLAG(GOOGLE_CHROME_BRANDING)
  36   return IsMetricsReportingEnabledForOfficialBuild(pref_service);
  37 #else
  38   // In non-official builds, disable metrics reporting completely.
  39   return g_force_official_enabled_test
  40              ? IsMetricsReportingEnabledForOfficialBuild(pref_service)
  41              : false;
  42 #endif  // BUILDFLAG(GOOGLE_CHROME_BRANDING)
  43 }
  44
  45 // static
  46 bool MetricsServiceAccessor::RegisterSyntheticFieldTrial(
  47     MetricsService* metrics_service,
  48     base::StringPiece trial_name,
  49     base::StringPiece group_name,
  50     variations::SyntheticTrialAnnotationMode annotation_mode) {
  51   if (!metrics_service)
  52     return false;
  53
  54   variations::SyntheticTrialGroup trial_group(trial_name, group_name,
  55                                               annotation_mode);
  56   metrics_service->GetSyntheticTrialRegistry()->RegisterSyntheticFieldTrial(
  57       trial_group);
  58   return true;
  59 }
  60
  61 // static
  62 void MetricsServiceAccessor::SetForceIsMetricsReportingEnabledPrefLookup(
  63     bool value) {
  64   g_force_official_enabled_test = value;
  65 }
  66
  67 // static
  68 bool MetricsServiceAccessor::IsForceMetricsReportingEnabledPrefLookup() {
  69   return g_force_official_enabled_test;
  70 }
  71
  72 }  // namespace metrics