Make logging of user actions consistent with histograms for OTR.

chromecast/browser/metrics/cast_metrics_service_client.cc

Index: chromecast/browser/metrics/cast_metrics_service_client.cc
diff --git a/chromecast/browser/metrics/cast_metrics_service_client.cc b/chromecast/browser/metrics/cast_metrics_service_client.cc
index 339170d21c4a0cebf72877c95c87f88c55e31064..beff0aea9def89e5bb496af339ec03c698ac8641 100644
--- a/chromecast/browser/metrics/cast_metrics_service_client.cc
+++ b/chromecast/browser/metrics/cast_metrics_service_client.cc
@@ -159,12 +159,6 @@ CastMetricsServiceClient::LoadClientInfo() {
   return std::unique_ptr<::metrics::ClientInfo>();
 }
 
-bool CastMetricsServiceClient::IsOffTheRecordSessionActive() {
-  // Chromecast behaves as "off the record" w/r/t recording browsing state,
-  // but this value is about not disabling metrics because of it.
-  return false;
-}
-
 int32_t CastMetricsServiceClient::GetProduct() {
   // Chromecast currently uses the same product identifier as Chrome.
   return ::metrics::ChromeUserMetricsExtension::CAST;