Now pass ADM as a constructor argument to audio_state.

webrtc/api/call/audio_state.h

Index: webrtc/api/call/audio_state.h
diff --git a/webrtc/api/call/audio_state.h b/webrtc/api/call/audio_state.h
index ac912773aa5fdeb12a59120b794c269605614050..f2a272f7ebef2f9b984dddacf0bfa1c80e0a8302 100644
--- a/webrtc/api/call/audio_state.h
+++ b/webrtc/api/call/audio_state.h
@@ -38,8 +38,8 @@ class AudioState : public rtc::RefCountInterface {
   };
 
   // TODO(solenberg): Replace scoped_refptr with shared_ptr once we can use it.
-  static rtc::scoped_refptr<AudioState> Create(
-      const AudioState::Config& config);
+  static rtc::scoped_refptr<AudioState> Create(const AudioState::Config& config,
+                                               webrtc::AudioDeviceModule* adm);

[the sun, 2016/09/29 16:15:07]

Can you use the one in Config instead?

 
   virtual ~AudioState() {}
 };