Automated IWYU fix for TaskRunner includes.

media/capture/video/mac/video_capture_device_factory_mac.mm

 // Copyright 2014 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 "media/capture/video/mac/video_capture_device_factory_mac.h"
 
 #import <IOKit/audio/IOAudioTypes.h>
 #include <stddef.h>
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/macros.h"
 #include "base/profiler/scoped_tracker.h"
+#include "base/single_thread_task_runner.h"
 #include "base/strings/string_util.h"
 #include "base/task_runner_util.h"
 #import "media/capture/video/mac/video_capture_device_avfoundation_mac.h"
 #import "media/capture/video/mac/video_capture_device_decklink_mac.h"
 #include "media/capture/video/mac/video_capture_device_mac.h"
 
 namespace media {
 
 // Blacklisted devices are identified by a characteristic trailing substring of
 // uniqueId. At the moment these are just Blackmagic devices.
@@ skipping 100 matching lines @@
 }
 
 // static
 VideoCaptureDeviceFactory*
 VideoCaptureDeviceFactory::CreateVideoCaptureDeviceFactory(
     scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner) {
   return new VideoCaptureDeviceFactoryMac();
 }
 
 }  // namespace media