Use correct thread for audio capturing and encoding.

remoting/host/client_session_unittest.cc

 // 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.
 
 #include "base/message_loop.h"
 #include "remoting/base/auto_thread_task_runner.h"
 #include "remoting/base/constants.h"
 #include "remoting/host/audio_capturer.h"
 #include "remoting/host/client_session.h"
 #include "remoting/host/desktop_environment.h"
@@ skipping 54 matching lines @@
         new MockConnectionToClient(session, NULL));
     EXPECT_CALL(*connection, session()).WillRepeatedly(Return(session));
     EXPECT_CALL(*connection, client_stub())
         .WillRepeatedly(Return(&client_stub_));
     EXPECT_CALL(*connection, video_stub()).WillRepeatedly(Return(&video_stub_));
     EXPECT_CALL(*connection, Disconnect());
     connection_ = connection.get();
 
     client_session_ = new ClientSession(
         &session_event_handler_,
+        ui_task_runner_, // Audio thread.
         ui_task_runner_, // Capture thread.
         ui_task_runner_, // Encode thread.
         ui_task_runner_, // Network thread.
         connection.PassAs<protocol::ConnectionToClient>(),
         desktop_environment_factory_.get(),
         base::TimeDelta());
   }
 
   virtual void TearDown() OVERRIDE {
     // MockClientSessionEventHandler won't trigger StopAndDelete, so fake it.
@@ skipping 285 matching lines @@
                                                         expected_y[j])))
               .After(connected);
       connection_->input_stub()->InjectMouseEvent(event);
     }
   }
 
   DisconnectClientSession();
 }
 
 }  // namespace remoting