Index: ui/wm/core/user_activity_detector.h |
diff --git a/ui/wm/core/user_activity_detector.h b/ui/wm/core/user_activity_detector.h |
index 13e290e5104e28df8757f76342c75bd20090e154..55ffc24d4b96b4f3da68f0f96791e218186fcab5 100644 |
--- a/ui/wm/core/user_activity_detector.h |
+++ b/ui/wm/core/user_activity_detector.h |
@@ -36,7 +36,7 @@ class WM_EXPORT UserActivityDetector : public ui::EventHandler { |
void set_now_for_test(base::TimeTicks now) { now_for_test_ = now; } |
- bool HasObserver(UserActivityObserver* observer) const; |
+ bool HasObserver(const UserActivityObserver* observer) const; |
void AddObserver(UserActivityObserver* observer); |
void RemoveObserver(UserActivityObserver* observer); |