Remove unused base/threading/worker_pool.h includes.

device/bluetooth/bluez/bluetooth_socket_bluez.cc

 // Copyright 2013 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 "device/bluetooth/bluez/bluetooth_socket_bluez.h"
 
 #include <stdint.h>
 
 #include <memory>
 #include <queue>
 #include <string>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/memory/linked_ptr.h"
 #include "base/memory/ref_counted.h"
 #include "base/sequenced_task_runner.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/string_util.h"
 #include "base/task_runner_util.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/threading/thread_task_runner_handle.h"
-#include "base/threading/worker_pool.h"
 #include "dbus/bus.h"
 #include "dbus/object_path.h"
 #include "device/bluetooth/bluetooth_adapter.h"
 #include "device/bluetooth/bluetooth_device.h"
 #include "device/bluetooth/bluetooth_socket.h"
 #include "device/bluetooth/bluetooth_socket_net.h"
 #include "device/bluetooth/bluetooth_socket_thread.h"
 #include "device/bluetooth/bluez/bluetooth_adapter_bluez.h"
 #include "device/bluetooth/bluez/bluetooth_adapter_profile_bluez.h"
 #include "device/bluetooth/bluez/bluetooth_device_bluez.h"
@@ skipping 491 matching lines @@
   DCHECK(profile_);
 
   VLOG(1) << profile_->object_path().value() << ": Release profile";
 
   static_cast<BluetoothAdapterBlueZ*>(adapter_.get())
       ->ReleaseProfile(device_path_, profile_);
   profile_ = nullptr;
 }
 
 }  // namespace bluez