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 0b92bc3b7c38c9888451a5675f33d56debfc909b..40a115a278aff75d8c149df4db40666359dcdba7 100644 |
--- a/ui/wm/core/user_activity_detector.h |
+++ b/ui/wm/core/user_activity_detector.h |
@@ -33,7 +33,7 @@ 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); |