Revert 25680c62320767f590d037d301edfe15e9c55650

remoting/protocol/webrtc_audio_sink_adapter.h

Index: remoting/protocol/webrtc_audio_sink_adapter.h
diff --git a/remoting/protocol/webrtc_audio_sink_adapter.h b/remoting/protocol/webrtc_audio_sink_adapter.h
index aab3f714e3b4404ff4ed9523b11eff2c2b0a2aa7..4f4969a1809f61c77142efcd51fdeb962216fb3c 100644
--- a/remoting/protocol/webrtc_audio_sink_adapter.h
+++ b/remoting/protocol/webrtc_audio_sink_adapter.h
@@ -7,13 +7,8 @@
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
-#include "base/threading/thread_task_runner_handle.h"
 #include "third_party/webrtc/api/mediastreaminterface.h"
 
-namespace base {
-class SingleThreadTaskRunner;
-}  // namespace base
-
 namespace remoting {
 namespace protocol {
 
@@ -32,10 +27,10 @@ class WebrtcAudioSinkAdapter : public webrtc::AudioTrackSinkInterface {
               size_t number_of_frames) override;
 
  private:
-  scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
-  base::WeakPtr<AudioStub> audio_stub_;
   scoped_refptr<webrtc::MediaStreamInterface> media_stream_;
   scoped_refptr<webrtc::AudioTrackInterface> audio_track_;
+
+  base::WeakPtr<AudioStub> audio_stub_;
 };
 
 }  // namespace protocol