Automated IWYU fix for TaskRunner includes.

media/audio/test_audio_input_controller_factory.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 MEDIA_AUDIO_TEST_AUDIO_INPUT_CONTROLLER_FACTORY_H_
 #define MEDIA_AUDIO_TEST_AUDIO_INPUT_CONTROLLER_FACTORY_H_
 
 #include "base/bind.h"
 #include "base/macros.h"
+#include "base/single_thread_task_runner.h"
 #include "media/audio/audio_input_controller.h"
 #include "media/base/audio_parameters.h"
 
 namespace media {
 
 class UserInputMonitor;
 class TestAudioInputControllerFactory;
 
 // TestAudioInputController and TestAudioInputControllerFactory are used for
 // testing consumers of AudioInputController. TestAudioInputControllerFactory
@@ skipping 111 matching lines @@
 
   // The delegate for tests for receiving audio controller events.
   TestAudioInputControllerDelegate* delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(TestAudioInputControllerFactory);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_TEST_AUDIO_INPUT_CONTROLLER_FACTORY_H_