Modifications for recording whether UMA/Crash default state for iOS

chrome/browser/metrics/metrics_reporting_state.cc

Index: chrome/browser/metrics/metrics_reporting_state.cc
diff --git a/chrome/browser/metrics/metrics_reporting_state.cc b/chrome/browser/metrics/metrics_reporting_state.cc
index 30a9dd588de445c6632869268f6c299e97e97cea..9e74f158f3c558422940129dbb06ffa5a7aaa118 100644
--- a/chrome/browser/metrics/metrics_reporting_state.cc
+++ b/chrome/browser/metrics/metrics_reporting_state.cc
@@ -124,11 +124,6 @@ void InitiateMetricsReportingChange(
       base::Bind(&SetMetricsReporting, enabled, callback_fn));
 }
 
-void RegisterMetricsReportingStatePrefs(PrefRegistrySimple* registry) {
-  registry->RegisterIntegerPref(prefs::kMetricsDefaultOptIn,
-                                metrics::MetricsServiceClient::DEFAULT_UNKNOWN);
-}
-
 bool IsMetricsReportingPolicyManaged() {
   const PrefService* pref_service = g_browser_process->local_state();
   const PrefService::Preference* pref =
@@ -136,20 +131,6 @@ bool IsMetricsReportingPolicyManaged() {
   return pref && pref->IsManaged();
 }
 
-void RecordMetricsReportingDefaultOptIn(PrefService* local_state, bool opt_in) {
-  DCHECK(GetMetricsReportingDefaultOptIn(local_state) ==
-         metrics::MetricsServiceClient::DEFAULT_UNKNOWN);
-  local_state->SetInteger(prefs::kMetricsDefaultOptIn,
-                          opt_in ? metrics::MetricsServiceClient::OPT_IN
-                                 : metrics::MetricsServiceClient::OPT_OUT);
-}
-
-metrics::MetricsServiceClient::EnableMetricsDefault
-GetMetricsReportingDefaultOptIn(PrefService* local_state) {
-  return static_cast<metrics::MetricsServiceClient::EnableMetricsDefault>(
-      local_state->GetInteger(prefs::kMetricsDefaultOptIn));
-}
-
 // TODO(gayane): Add unittest which will check that observer on device settings
 // will trigger this function and kMetricsReportinEnabled as well as metrics
 // service state will be updated accordingly.