Instantly pass network changes to controllers in audio network adaptor.

webrtc/modules/audio_coding/audio_network_adaptor/frame_length_controller_unittest.cc

Index: webrtc/modules/audio_coding/audio_network_adaptor/frame_length_controller_unittest.cc
diff --git a/webrtc/modules/audio_coding/audio_network_adaptor/frame_length_controller_unittest.cc b/webrtc/modules/audio_coding/audio_network_adaptor/frame_length_controller_unittest.cc
index a013c857b53d1388d13cc6515cc761b50a953c24..4d1477779759db1bde7bce51f2c0f3cf914b1e61 100644
--- a/webrtc/modules/audio_coding/audio_network_adaptor/frame_length_controller_unittest.cc
+++ b/webrtc/modules/audio_coding/audio_network_adaptor/frame_length_controller_unittest.cc
@@ -43,12 +43,19 @@ void CheckDecision(FrameLengthController* controller,
                    const rtc::Optional<float>& uplink_packet_loss_fraction,
                    const rtc::Optional<bool>& enable_fec,
                    int expected_frame_length_ms) {
-  Controller::NetworkMetrics metrics;
-  metrics.uplink_bandwidth_bps = uplink_bandwidth_bps;
-  metrics.uplink_packet_loss_fraction = uplink_packet_loss_fraction;
+  if (uplink_bandwidth_bps) {
+    Controller::NetworkMetrics network_metrics;
+    network_metrics.uplink_bandwidth_bps = uplink_bandwidth_bps;
+    controller->UpdateNetworkMetrics(network_metrics);
+  }
+  if (uplink_packet_loss_fraction) {
+    Controller::NetworkMetrics network_metrics;
+    network_metrics.uplink_packet_loss_fraction = uplink_packet_loss_fraction;
+    controller->UpdateNetworkMetrics(network_metrics);
+  }
   AudioNetworkAdaptor::EncoderRuntimeConfig config;
   config.enable_fec = enable_fec;
-  controller->MakeDecision(metrics, &config);
+  controller->MakeDecision(&config);
   EXPECT_EQ(rtc::Optional<int>(expected_frame_length_ms),
             config.frame_length_ms);
 }