Automated IWYU fix for TaskRunner includes.

content/browser/gpu/browser_gpu_memory_buffer_manager.cc

 // 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 "content/browser/gpu/browser_gpu_memory_buffer_manager.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
+#include "base/single_thread_task_runner.h"
 #include "base/strings/stringprintf.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/trace_event/process_memory_dump.h"
 #include "base/trace_event/trace_event.h"
 #include "build/build_config.h"
 #include "content/browser/gpu/gpu_process_host.h"
 #include "content/common/child_process_host_impl.h"
 #include "content/common/generic_shared_memory_id_generator.h"
 #include "content/public/browser/browser_thread.h"
@@ skipping 448 matching lines @@
       format(format),
       usage(usage),
       gpu_host_id(gpu_host_id) {}
 
 BrowserGpuMemoryBufferManager::BufferInfo::BufferInfo(const BufferInfo& other) =
     default;
 
 BrowserGpuMemoryBufferManager::BufferInfo::~BufferInfo() {}
 
 }  // namespace content