| // 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 "device/base/device_client.h" |
| |
| #include "base/logging.h" |
| |
| namespace device { |
| |
| namespace { |
| |
| DeviceClient* g_instance; |
| |
| } // namespace |
| |
| DeviceClient::DeviceClient() { |
| g_instance = this; |
| } |
| |
| DeviceClient::~DeviceClient() { |
| g_instance = nullptr; |
| } |
| |
| /* static */ |
| DeviceClient* DeviceClient::Get() { |
| DCHECK(g_instance); |
| return g_instance; |
| } |
| |
| UsbService* DeviceClient::GetUsbService() { |
| // This should never be called by clients which do not support the USB API. |
| NOTREACHED(); |
| return nullptr; |
| } |
| |
| } // namespace device |