Using AudioOption to enable audio network adaptor.

webrtc/audio/audio_send_stream.cc

Index: webrtc/audio/audio_send_stream.cc
diff --git a/webrtc/audio/audio_send_stream.cc b/webrtc/audio/audio_send_stream.cc
index ee84b96aaa3700a8e7d937e0cf3d4ec1dfd0990d..028822f040156d51a5be1c35badc1966f13c025f 100644
--- a/webrtc/audio/audio_send_stream.cc
+++ b/webrtc/audio/audio_send_stream.cc
@@ -273,6 +273,24 @@ uint32_t AudioSendStream::OnBitrateUpdated(uint32_t bitrate_bps,
   return 0;
 }
 
+bool AudioSendStream::EnableAudioNetworkAdaptor(
+    const std::string& config_string) {
+  RTC_DCHECK(thread_checker_.CalledOnValidThread());
+  return channel_proxy_->EnableAudioNetworkAdaptor(config_string);
+}
+
+void AudioSendStream::DisableAudioNetworkAdaptor() {
+  RTC_DCHECK(thread_checker_.CalledOnValidThread());
+  channel_proxy_->DisableAudioNetworkAdaptor();
+}
+
+void AudioSendStream::SetReceiverFrameLengthRange(int min_frame_length_ms,
+                                                  int max_frame_length_ms) {
+  RTC_DCHECK(thread_checker_.CalledOnValidThread());
+  channel_proxy_->SetReceiverFrameLengthRange(min_frame_length_ms,
+                                              max_frame_length_ms);
+}
+
 const webrtc::AudioSendStream::Config& AudioSendStream::config() const {
   RTC_DCHECK(thread_checker_.CalledOnValidThread());
   return config_;