Using AudioOption to enable audio network adaptor.

webrtc/voice_engine/channel_proxy.h

Index: webrtc/voice_engine/channel_proxy.h
diff --git a/webrtc/voice_engine/channel_proxy.h b/webrtc/voice_engine/channel_proxy.h
index d84e73b60f605d513e7dd5fc9cc91d48174523cb..ad0fe10d19ae37ae689e2aec9620a4de2549945e 100644
--- a/webrtc/voice_engine/channel_proxy.h
+++ b/webrtc/voice_engine/channel_proxy.h
@@ -91,6 +91,13 @@ class ChannelProxy {
 
   virtual void SetRtcEventLog(RtcEventLog* event_log);
 
+  virtual bool EnableAudioNetworkAdaptor(const std::string& config_string);
+
+  virtual void DisableAudioNetworkAdaptor();
+
+  virtual void SetReceiverFrameLengthRange(int min_frame_length_ms,
+                                           int max_frame_length_ms);
+
  private:
   Channel* channel() const;