Make --enable-benchmarking not affect metrics recording.

chrome/browser/metrics/chrome_metrics_services_manager_client.cc

 // Copyright 2015 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/chrome_metrics_services_manager_client.h"
 
 #include "base/command_line.h"
 #include "base/feature_list.h"
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
@@ skipping 228 matching lines @@
 
 net::URLRequestContextGetter*
 ChromeMetricsServicesManagerClient::GetURLRequestContext() {
   return g_browser_process->system_request_context();
 }
 
 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,
     bool may_upload) {
   // First, set the registry value so that Crashpad will have the sampling state
   // now and for subsequent runs.
   install_static::SetCollectStatsInSample(IsClientInSample());
 
   // Next, get Crashpad to pick up the sampling state for this session.
 
@@ skipping 20 matching lines @@
         local_state_, enabled_state_provider_.get(),
         base::Bind(&PostStoreMetricsClientInfo),
         base::Bind(&GoogleUpdateSettings::LoadMetricsClientInfo));
   }
   return metrics_state_manager_.get();
 }
 
 bool ChromeMetricsServicesManagerClient::IsMetricsReportingForceEnabled() {
   return ChromeMetricsServiceClient::IsMetricsReportingForceEnabled();
 }