AudioManagerBase: Create and run the audio thread lazily.

media/audio/audio_output_proxy_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 <stdint.h>
 
 #include <string>
 
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
@@ skipping 86 matching lines @@
   MOCK_METHOD0(GetAudioInputDeviceModel, base::string16());
   MOCK_METHOD2(MakeAudioOutputStream, AudioOutputStream*(
       const AudioParameters& params,
       const std::string& device_id));
   MOCK_METHOD2(MakeAudioOutputStreamProxy, AudioOutputStream*(
       const AudioParameters& params,
       const std::string& device_id));
   MOCK_METHOD2(MakeAudioInputStream, AudioInputStream*(
       const AudioParameters& params, const std::string& device_id));
   MOCK_METHOD0(ShowAudioInputSettings, void());
-  MOCK_CONST_METHOD0(GetTaskRunner,
-                     scoped_refptr<base::SingleThreadTaskRunner>());
+  MOCK_METHOD0(GetTaskRunner, scoped_refptr<base::SingleThreadTaskRunner>());
   MOCK_METHOD0(GetWorkerTaskRunner,
                scoped_refptr<base::SingleThreadTaskRunner>());
   MOCK_METHOD1(GetAudioInputDeviceNames, void(
       media::AudioDeviceNames* device_name));
 
   MOCK_METHOD1(MakeLinearOutputStream, AudioOutputStream*(
       const AudioParameters& params));
   MOCK_METHOD2(MakeLowLatencyOutputStream, AudioOutputStream*(
       const AudioParameters& params, const std::string& device_id));
   MOCK_METHOD2(MakeLinearInputStream, AudioInputStream*(
@@ skipping 608 matching lines @@
                   _)).WillOnce(Return(&real_stream));
 
   // Stream1 should be able to successfully open and start.
   EXPECT_CALL(real_stream, Open()).WillOnce(Return(true));
   proxy = new AudioOutputProxy(resampler_.get());
   EXPECT_TRUE(proxy->Open());
   CloseAndWaitForCloseTimer(proxy, &real_stream);
 }
 
 }  // namespace media