Use correct thread for audio capturing and encoding.

remoting/host/chromoting_host.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef REMOTING_HOST_CHROMOTING_HOST_H_
 #define REMOTING_HOST_CHROMOTING_HOST_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 54 matching lines @@
                        public protocol::SessionManager::Listener,
                        public MouseMoveObserver {
  public:
   // The caller must ensure that |signal_strategy| and
   // |desktop_environment_factory| remain valid at least until the
   // |shutdown_task| supplied to Shutdown() has been notified.
   ChromotingHost(
       SignalStrategy* signal_strategy,
       DesktopEnvironmentFactory* desktop_environment_factory,
       scoped_ptr<protocol::SessionManager> session_manager,
+      scoped_refptr<base::SingleThreadTaskRunner> audio_task_runner,
       scoped_refptr<base::SingleThreadTaskRunner> capture_task_runner,
       scoped_refptr<base::SingleThreadTaskRunner> encode_task_runner,
       scoped_refptr<base::SingleThreadTaskRunner> network_task_runner);
 
   // Asynchronously start the host process.
   //
   // After this is invoked, the host process will connect to the talk
   // network and start listening for incoming connections.
   //
   // This method can only be called once during the lifetime of this object.
@@ skipping 91 matching lines @@
 
   // Called from Shutdown() to finish shutdown.
   void ShutdownFinish();
 
   // Unless specified otherwise all members of this class must be
   // used on the network thread only.
 
   // Parameters specified when the host was created.
   DesktopEnvironmentFactory* desktop_environment_factory_;
   scoped_ptr<protocol::SessionManager> session_manager_;
+  scoped_refptr<base::SingleThreadTaskRunner> audio_task_runner_;
   scoped_refptr<base::SingleThreadTaskRunner> capture_task_runner_;
   scoped_refptr<base::SingleThreadTaskRunner> encode_task_runner_;
   scoped_refptr<base::SingleThreadTaskRunner> network_task_runner_;
 
   // Connection objects.
   SignalStrategy* signal_strategy_;
 
   // Must be used on the network thread only.
   ObserverList<HostStatusObserver> status_observers_;
 
@@ skipping 28 matching lines @@
 
   // The maximum duration of any session.
   base::TimeDelta max_session_duration_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromotingHost);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_CHROMOTING_HOST_H_