Make --enable-benchmarking not affect metrics recording.

chrome/browser/metrics/chrome_metrics_services_manager_client.cc

Index: chrome/browser/metrics/chrome_metrics_services_manager_client.cc
diff --git a/chrome/browser/metrics/chrome_metrics_services_manager_client.cc b/chrome/browser/metrics/chrome_metrics_services_manager_client.cc
index b5a5ce6fb484a96b354686c17f36ce38c1b2a825..f7835a84f008db61fa53131e8842dc8a0c2dae96 100644
--- a/chrome/browser/metrics/chrome_metrics_services_manager_client.cc
+++ b/chrome/browser/metrics/chrome_metrics_services_manager_client.cc
@@ -246,12 +246,6 @@ bool ChromeMetricsServicesManagerClient::IsMetricsReportingEnabled() {
   return enabled_state_provider_->IsReportingEnabled();
 }
 
-bool ChromeMetricsServicesManagerClient::OnlyDoMetricsRecording() {
-  const base::CommandLine* cmdline = base::CommandLine::ForCurrentProcess();
-  return cmdline->HasSwitch(switches::kMetricsRecordingOnly) ||
-         cmdline->HasSwitch(switches::kEnableBenchmarking);
-}
-
 #if defined(OS_WIN)
 void ChromeMetricsServicesManagerClient::UpdateRunningServices(
     bool may_record,