Instantly pass network changes to controllers in audio network adaptor.

webrtc/modules/audio_coding/audio_network_adaptor/fec_controller_unittest.cc

Index: webrtc/modules/audio_coding/audio_network_adaptor/fec_controller_unittest.cc
diff --git a/webrtc/modules/audio_coding/audio_network_adaptor/fec_controller_unittest.cc b/webrtc/modules/audio_coding/audio_network_adaptor/fec_controller_unittest.cc
index 823763f091985c3fda5128ef1d8dcd89a45fabdc..8f3e9d7a97eb7eb05564317d95761ffd6a5989e4 100644
--- a/webrtc/modules/audio_coding/audio_network_adaptor/fec_controller_unittest.cc
+++ b/webrtc/modules/audio_coding/audio_network_adaptor/fec_controller_unittest.cc
@@ -76,20 +76,23 @@ void CheckDecision(FecControllerStates* states,
                    const rtc::Optional<int>& uplink_bandwidth_bps,
                    const rtc::Optional<float>& uplink_packet_loss,
                    bool expected_enable_fec) {
-  Controller::NetworkMetrics metrics;
-  metrics.uplink_bandwidth_bps = uplink_bandwidth_bps;
-  metrics.uplink_packet_loss_fraction = uplink_packet_loss;
-
+  if (uplink_bandwidth_bps) {
+    Controller::NetworkMetrics network_metrics;
+    network_metrics.uplink_bandwidth_bps = uplink_bandwidth_bps;
+    states->controller->UpdateNetworkMetrics(network_metrics);
+  }
   if (uplink_packet_loss) {
-    // Check that smoothing filter is updated.
+    Controller::NetworkMetrics network_metrics;
+    network_metrics.uplink_packet_loss_fraction = uplink_packet_loss;
     EXPECT_CALL(*states->packet_loss_smoothed, AddSample(*uplink_packet_loss));
+    states->controller->UpdateNetworkMetrics(network_metrics);
   }
 
   EXPECT_CALL(*states->packet_loss_smoothed, GetAverage())
       .WillRepeatedly(Return(uplink_packet_loss));
 
   AudioNetworkAdaptor::EncoderRuntimeConfig config;
-  states->controller->MakeDecision(metrics, &config);
+  states->controller->MakeDecision(&config);
   EXPECT_EQ(rtc::Optional<bool>(expected_enable_fec), config.enable_fec);
 
   // Check that |config.uplink_packet_loss_fraction| is properly filled.