Automated IWYU fix for TaskRunner includes.

services/ui/gpu/gpu_main.cc

 // 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.
 
 #include "services/ui/gpu/gpu_main.h"
 
 #include "base/command_line.h"
 #include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/power_monitor/power_monitor_device_source.h"
+#include "base/single_thread_task_runner.h"
 #include "components/viz/frame_sinks/mojo_frame_sink_manager.h"
 #include "gpu/command_buffer/common/activity_flags.h"
 #include "gpu/ipc/common/gpu_memory_buffer_support.h"
 #include "gpu/ipc/gpu_in_process_thread_service.h"
 #include "gpu/ipc/service/gpu_memory_buffer_factory.h"
 #include "gpu/ipc/service/gpu_watchdog_thread.h"
 #include "services/ui/common/server_gpu_memory_buffer_manager.h"
 #include "services/ui/gpu/gpu_service.h"
 #include "services/ui/surfaces/mus_display_provider.h"
 
@@ skipping 227 matching lines @@
   // TODO(sad): https://crbug.com/645602
 }
 
 bool GpuMain::EnsureSandboxInitialized(
     gpu::GpuWatchdogThread* watchdog_thread) {
   // TODO(sad): https://crbug.com/645602
   return true;
 }
 
 }  // namespace ui