Make --enable-benchmarking not affect metrics recording.

components/metrics_services_manager/metrics_services_manager_client.h

Index: components/metrics_services_manager/metrics_services_manager_client.h
diff --git a/components/metrics_services_manager/metrics_services_manager_client.h b/components/metrics_services_manager/metrics_services_manager_client.h
index afbd601e79488374ddf2c036d1d9810729e4623e..5d4e50dcc05ab10593c0b62782506a73974a202f 100644
--- a/components/metrics_services_manager/metrics_services_manager_client.h
+++ b/components/metrics_services_manager/metrics_services_manager_client.h
@@ -51,9 +51,6 @@ class MetricsServicesManagerClient {
   // Returns whether metrics reporting is enabled.
   virtual bool IsMetricsReportingEnabled() = 0;
 
-  // Whether the metrics services should record but not report metrics.
-  virtual bool OnlyDoMetricsRecording() = 0;
-
   // Update the running state of metrics services managed by the embedder, for
   // example, crash reporting.
   virtual void UpdateRunningServices(bool may_record, bool may_upload) {}