Remove dependency on AudioStub in ConnectionToClient

remoting/host/client_session.h

Index: remoting/host/client_session.h
diff --git a/remoting/host/client_session.h b/remoting/host/client_session.h
index ffcfa5ca91d218508322a82c06fa45a9e560844f..7f5f24d7863753b02043757148f7eeec3d3b658c 100644
--- a/remoting/host/client_session.h
+++ b/remoting/host/client_session.h
@@ -39,7 +39,7 @@ class SingleThreadTaskRunner;
 
 namespace remoting {
 
-class AudioPump;
+class AudioSendStream;
 class DesktopEnvironment;
 class DesktopEnvironmentFactory;
 class InputInjector;
@@ -93,7 +93,6 @@ class ClientSession : public base::NonThreadSafe,
   // |event_handler| and |desktop_environment_factory| must outlive |this|.
   // All |HostExtension|s in |extensions| must outlive |this|.
   ClientSession(EventHandler* event_handler,
-                scoped_refptr<base::SingleThreadTaskRunner> audio_task_runner,
                 std::unique_ptr<protocol::ConnectionToClient> connection,
                 DesktopEnvironmentFactory* desktop_environment_factory,
                 const base::TimeDelta& max_duration,
@@ -119,7 +118,7 @@ class ClientSession : public base::NonThreadSafe,
       protocol::ConnectionToClient* connection) override;
   void OnConnectionAuthenticated(
       protocol::ConnectionToClient* connection) override;
-  void CreateVideoStreams(protocol::ConnectionToClient* connection) override;
+  void CreateMediaStreams(protocol::ConnectionToClient* connection) override;
   void OnConnectionChannelsConnected(
       protocol::ConnectionToClient* connection) override;
   void OnConnectionClosed(protocol::ConnectionToClient* connection,
@@ -207,11 +206,9 @@ class ClientSession : public base::NonThreadSafe,
   // is reached.
   base::OneShotTimer max_duration_timer_;
 
-  scoped_refptr<base::SingleThreadTaskRunner> audio_task_runner_;
-
   // Objects responsible for sending video, audio and mouse shape.
-  std::unique_ptr<AudioPump> audio_pump_;
   std::unique_ptr<protocol::VideoStream> video_stream_;
+  std::unique_ptr<protocol::AudioSendStream> audio_stream_;
   std::unique_ptr<MouseShapePump> mouse_shape_pump_;
 
   // The set of all capabilities supported by the client.