Modifications for recording whether UMA/Crash default state for iOS

chrome/browser/metrics/metrics_reporting_state.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/browser/metrics/metrics_reporting_state.h"
 
 #include "base/callback.h"
 #include "base/metrics/histogram.h"
 #include "build/build_config.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 106 matching lines @@
   }
 #endif
   // Posts to FILE thread as SetGoogleUpdateSettings does IO operations.
   content::BrowserThread::PostTaskAndReplyWithResult(
       content::BrowserThread::FILE,
       FROM_HERE,
       base::Bind(&SetGoogleUpdateSettings, enabled),
       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 =
       pref_service->FindPreference(metrics::prefs::kMetricsReportingEnabled);
   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.
 void SetupMetricsStateForChromeOS() {
 #if defined(OS_CHROMEOS)
   chromeos::CrosSettings::Get()->AddSettingsObserver(
       chromeos::kStatsReportingPref, base::Bind(&OnDeviceSettingChange));
 
   OnDeviceSettingChange();
 #endif // defined(OS_CHROMEOS)
 }