Index: ash/wm/lock_state_controller.h |
diff --git a/ash/wm/lock_state_controller.h b/ash/wm/lock_state_controller.h |
index 73199bf6a802f89cd458a44911a6fe602cd3bdbc..c03981495dda6faf487393347d0176e8636ff27c 100644 |
--- a/ash/wm/lock_state_controller.h |
+++ b/ash/wm/lock_state_controller.h |
@@ -149,7 +149,7 @@ class ASH_EXPORT LockStateController : public aura::WindowTreeHostObserver, |
void AddObserver(LockStateObserver* observer); |
void RemoveObserver(LockStateObserver* observer); |
- bool HasObserver(LockStateObserver* observer); |
+ bool HasObserver(const LockStateObserver* observer) const; |
// Starts locking (with slow animation) that can be cancelled. |
// After locking and |kLockToShutdownTimeoutMs| StartShutdownAnimation() |