Automated IWYU fix for TaskRunner includes.

device/generic_sensor/platform_sensor_provider_base.h

 // Copyright 2016 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 DEVICE_GENERIC_SENSOR_PLATFORM_SENSOR_PROVIDER_BASE_H_
 #define DEVICE_GENERIC_SENSOR_PLATFORM_SENSOR_PROVIDER_BASE_H_
 
 #include "base/macros.h"
 
+#include "base/single_thread_task_runner.h"
 #include "base/threading/thread_checker.h"
 #include "device/generic_sensor/generic_sensor_export.h"
 #include "device/generic_sensor/platform_sensor.h"
 
 namespace device {
 
 // Base class that defines factory methods for PlatformSensor creation.
 // Its implementations must be accessed via GetInstance() method.
 class DEVICE_GENERIC_SENSOR_EXPORT PlatformSensorProviderBase {
  public:
@@ skipping 54 matching lines @@
   std::map<mojom::SensorType, PlatformSensor*> sensor_map_;
   std::map<mojom::SensorType, CallbackQueue> requests_map_;
   mojo::ScopedSharedBufferHandle shared_buffer_handle_;
 
   DISALLOW_COPY_AND_ASSIGN(PlatformSensorProviderBase);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_GENERIC_SENSOR_PLATFORM_SENSOR_PROVIDER_BASE_H_