Fix unique_ptr usage warning in bluetooth_task_manager_win.cc.

device/bluetooth/bluetooth_task_manager_win.cc

 // Copyright (c) 2012 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/bluetooth_task_manager_win.h"
 
 #include <stddef.h>
 #include <winsock2.h>
 
 #include <memory>
@@ skipping 846 matching lines @@
       FROM_HERE,
       base::Bind(callback, base::Passed(&win_characteristic_value), hr));
 }
 
 void BluetoothTaskManagerWin::WriteGattCharacteristicValue(
     base::FilePath service_path,
     BTH_LE_GATT_CHARACTERISTIC characteristic,
     std::vector<uint8_t> new_value,
     const HResultCallback& callback) {
   ULONG length = (ULONG)(sizeof(ULONG) + new_value.size());
-  std::unique_ptr<BTH_LE_GATT_CHARACTERISTIC_VALUE> win_new_value(
-      (PBTH_LE_GATT_CHARACTERISTIC_VALUE)(new UCHAR[length]));
+  std::vector<UCHAR> data(length);
+  auto* win_new_value =
+      reinterpret_cast<PBTH_LE_GATT_CHARACTERISTIC_VALUE>(&data[0]);
   win_new_value->DataSize = (ULONG)new_value.size();
   for (ULONG i = 0; i < new_value.size(); i++)
     win_new_value->Data[i] = new_value[i];
 
   HRESULT hr =
       win::BluetoothLowEnergyWrapper::GetInstance()->WriteCharacteristicValue(
           service_path, (PBTH_LE_GATT_CHARACTERISTIC)(&characteristic),
-          win_new_value.get());
+          win_new_value);
 
   ui_task_runner_->PostTask(FROM_HERE, base::Bind(callback, hr));
 }
 
 void BluetoothTaskManagerWin::RegisterGattCharacteristicValueChangedEvent(
     base::FilePath service_path,
     BTH_LE_GATT_CHARACTERISTIC characteristic,
     BTH_LE_GATT_DESCRIPTOR ccc_descriptor,
     const GattEventRegistrationCallback& callback,
     const GattCharacteristicValueChangedCallback& registered_callback) {
@@ skipping 121 matching lines @@
 void BluetoothTaskManagerWin::PostUnregisterGattCharacteristicValueChangedEvent(
     PVOID event_handle) {
   DCHECK(ui_task_runner_->RunsTasksInCurrentSequence());
   bluetooth_task_runner_->PostTask(
       FROM_HERE, base::Bind(&BluetoothTaskManagerWin::
                                 UnregisterGattCharacteristicValueChangedEvent,
                             this, event_handle));
 }
 
 }  // namespace device