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- // Copyright 2020 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 ASH_PUBLIC_CPP_BACK_GESTURE_CONTEXTUAL_NUDGE_DELEGATE_H_
- #define ASH_PUBLIC_CPP_BACK_GESTURE_CONTEXTUAL_NUDGE_DELEGATE_H_
- #include "ash/public/cpp/ash_public_export.h"
- namespace aura {
- class Window;
- }
- namespace ash {
- // Used by BackGestureContextualNudgeController to communicate with chrome
- // side BackGestureContextualNudgeDelegate.
- class ASH_PUBLIC_EXPORT BackGestureContextualNudgeDelegate {
- public:
- BackGestureContextualNudgeDelegate() = default;
- virtual ~BackGestureContextualNudgeDelegate() = default;
- // Starts tracking navigation status for |window| if applicable.
- virtual void MaybeStartTrackingNavigation(aura::Window* window) = 0;
- };
- } // namespace ash
- #endif // ASH_PUBLIC_CPP_BACK_GESTURE_CONTEXTUAL_NUDGE_DELEGATE_H_
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