1 files changed, 2 insertions, 3 deletions
diff --git a/ash/system/web_notification/web_notification_tray.h b/ash/system/web_notification/web_notification_tray.h
index 887a91d..d552191 100644
--- a/ash/system/web_notification/web_notification_tray.h
+++ b/ash/system/web_notification/web_notification_tray.h
@@ -41,7 +41,7 @@ namespace ash {
 class StatusAreaWidget;
 class WebNotificationBubbleWrapper;
 class WebNotificationButton;
-class WorkAreaObserver;
+class AshPopupAlignmentDelegate;
 
 class ASH_EXPORT WebNotificationTray
     : public TrayBackgroundView,
@@ -175,8 +175,7 @@ class ASH_EXPORT WebNotificationTray
   // 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);
 };