class StatusAreaWidget;
class WebNotificationBubbleWrapper;
class WebNotificationButton;
-class WorkAreaObserver;
+class AshPopupAlignmentDelegate;
class ASH_EXPORT WebNotificationTray
: public TrayBackgroundView,
// flickers of the shelf from hidden to shown. See: crbug.com/181213
bool should_block_shelf_auto_hide_;
- // Observes the work area for |popup_collection_| and notifies to it.
- scoped_ptr<WorkAreaObserver> work_area_observer_;
+ scoped_ptr<AshPopupAlignmentDelegate> popup_alignment_delegate_;
DISALLOW_COPY_AND_ASSIGN(WebNotificationTray);
};