| Index: chrome/browser/metrics/chrome_metrics_service_client.cc | 
| diff --git a/chrome/browser/metrics/chrome_metrics_service_client.cc b/chrome/browser/metrics/chrome_metrics_service_client.cc | 
| index 75cefcf652152987818957b4125ebfcc216825c7..f416ab9ac3e232751aeb52c33469516f23393ff0 100644 | 
| --- a/chrome/browser/metrics/chrome_metrics_service_client.cc | 
| +++ b/chrome/browser/metrics/chrome_metrics_service_client.cc | 
| @@ -939,8 +939,10 @@ void ChromeMetricsServiceClient::RegisterForProfileEvents(Profile* profile) { | 
| &BindableGetUkmService, weak_ptr_factory_.GetWeakPtr()))); | 
| #if defined(OS_CHROMEOS) | 
| // Ignore the signin profile for sync disables / history deletion. | 
| -  if (chromeos::ProfileHelper::IsSigninProfile(profile)) | 
| +  if (chromeos::ProfileHelper::IsSigninProfile(profile) || | 
| +      chromeos::ProfileHelper::IsLockScreenAppProfile(profile)) { | 
| return; | 
| +  } | 
| #endif | 
| history::HistoryService* history_service = | 
| HistoryServiceFactory::GetForProfile(profile, | 
|  |