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

ui/message_center/views/custom_notification_view.cc

Index: ui/message_center/views/custom_notification_view.cc
diff --git a/ui/message_center/views/custom_notification_view.cc b/ui/message_center/views/custom_notification_view.cc
index 14106fb916253ea0ad13c213ad39219b224ba0b0..899bb75f4e7823ca1afc50473363f9c302807330 100644
--- a/ui/message_center/views/custom_notification_view.cc
+++ b/ui/message_center/views/custom_notification_view.cc
@@ -19,6 +19,9 @@
 
 namespace message_center {
 
+// static
+const char CustomNotificationView::kViewClassName[] = "CustomNotificationView";
+
 CustomNotificationView::CustomNotificationView(
     MessageCenterController* controller,
     const Notification& notification)
@@ -80,6 +83,10 @@ bool CustomNotificationView::IsPinned() const {
   return contents_view_delegate_->IsPinned();
 }
 
+const char* CustomNotificationView::GetClassName() const {
+  return kViewClassName;
+}
+
 gfx::Size CustomNotificationView::GetPreferredSize() const {
   const gfx::Insets insets = GetInsets();
   const int contents_width = kNotificationWidth - insets.width();