Switch Windows to use the MessagePopupCollection

chrome/browser/ui/views/message_center/web_notification_tray_win.h

Index: chrome/browser/ui/views/message_center/web_notification_tray_win.h
diff --git a/chrome/browser/ui/views/message_center/web_notification_tray_win.h b/chrome/browser/ui/views/message_center/web_notification_tray_win.h
index 1fc397c5db8bf17748b8c793233a8b92848ded21..bb5b883e7c0e6a8109f34e61a8afac5d4cd70b7d 100644
--- a/chrome/browser/ui/views/message_center/web_notification_tray_win.h
+++ b/chrome/browser/ui/views/message_center/web_notification_tray_win.h
@@ -16,7 +16,7 @@ class StatusIcon;
 namespace message_center {
 class MessageCenter;
 class MessageCenterBubble;
-class MessagePopupBubble;
+class MessagePopupCollection;
 }
 
 namespace views {
@@ -75,11 +75,10 @@ class WebNotificationTrayWin
   FRIEND_TEST_ALL_PREFIXES(WebNotificationTrayWinTest, ManyPopupNotifications);
 
   void AddQuietModeMenu(StatusIcon* status_icon);
-  message_center::MessagePopupBubble* GetPopupBubbleForTest();
   message_center::MessageCenterBubble* GetMessageCenterBubbleForTest();
 
-  scoped_ptr<internal::NotificationBubbleWrapperWin> popup_bubble_;
   scoped_ptr<internal::NotificationBubbleWrapperWin> message_center_bubble_;
+  scoped_ptr<message_center::MessagePopupCollection> popup_collection_;
 
   StatusIcon* status_icon_;
   bool message_center_visible_;