| // Copyright 2017 The Chromium Authors | |
| // Use of this source code is governed by a BSD-style license that can be | |
| // found in the LICENSE file. | |
| #ifndef UI_LINUX_DEVICE_SCALE_FACTOR_OBSERVER_H_ | |
| #define UI_LINUX_DEVICE_SCALE_FACTOR_OBSERVER_H_ | |
| namespace ui { | |
| class DeviceScaleFactorObserver { | |
| public: | |
| virtual ~DeviceScaleFactorObserver() = default; | |
| virtual void OnDeviceScaleFactorChanged() = 0; | |
| }; | |
| } // namespace ui | |
| #endif // UI_LINUX_DEVICE_SCALE_FACTOR_OBSERVER_H_ |