Not Remove Non-Closable Arc Popup When Close Button is Pressed

ui/message_center/notification_delegate.h

Index: ui/message_center/notification_delegate.h
diff --git a/ui/message_center/notification_delegate.h b/ui/message_center/notification_delegate.h
index b9432fb12bcd523ff00a32cc810d005cdffcd70d..390898fdeee512bc0f69165aa64edf1646f56f02 100644
--- a/ui/message_center/notification_delegate.h
+++ b/ui/message_center/notification_delegate.h
@@ -20,6 +20,8 @@
 
 namespace message_center {
 
+class MessageView;
+
 // Delegate for a notification. This class has two roles: to implement callback
 // methods for notification, and to provide an identity of the associated
 // notification.
@@ -57,7 +59,8 @@ class MESSAGE_CENTER_EXPORT NotificationDelegate
 #if defined(TOOLKIT_VIEWS) && !defined(OS_MACOSX)
   // To be called to construct the contents view of a popup for notifications
   // whose type is NOTIFICATION_TYPE_CUSTOM.
-  virtual std::unique_ptr<CustomContent> CreateCustomContent();
+  virtual std::unique_ptr<CustomContent> CreateCustomContent(
+      MessageView* message_view);
 #endif
 
   // Indicates whether this notification should be displayed when there is