|  | // 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. | 
|  |  | 
|  | #ifndef BASE_TEST_MOCK_DEVICES_CHANGED_OBSERVER_H_ | 
|  | #define BASE_TEST_MOCK_DEVICES_CHANGED_OBSERVER_H_ | 
|  |  | 
|  | #include <string> | 
|  |  | 
|  | #include "base/macros.h" | 
|  | #include "base/system_monitor/system_monitor.h" | 
|  | #include "testing/gmock/include/gmock/gmock.h" | 
|  |  | 
|  | namespace base { | 
|  |  | 
|  | class MockDevicesChangedObserver | 
|  | : public base::SystemMonitor::DevicesChangedObserver { | 
|  | public: | 
|  | MockDevicesChangedObserver(); | 
|  | ~MockDevicesChangedObserver() override; | 
|  |  | 
|  | MOCK_METHOD1(OnDevicesChanged, | 
|  | void(base::SystemMonitor::DeviceType device_type)); | 
|  |  | 
|  | private: | 
|  | DISALLOW_COPY_AND_ASSIGN(MockDevicesChangedObserver); | 
|  | }; | 
|  |  | 
|  | }  // namespace base | 
|  |  | 
|  | #endif  // BASE_TEST_MOCK_DEVICES_CHANGED_OBSERVER_H_ |