Do not hide the web notification popups by the system tray, rather let them avoid (2nd)

ash/system/status_area_widget.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/system/status_area_widget.h"
 
 #include "ash/root_window_controller.h"
 #include "ash/shelf/shelf_layout_manager.h"
 #include "ash/shelf/shelf_widget.h"
 #include "ash/shell.h"
@@ skipping 98 matching lines @@
 
 void StatusAreaWidget::SetShelfAlignment(ShelfAlignment alignment) {
   status_area_widget_delegate_->set_alignment(alignment);
   if (system_tray_)
     system_tray_->SetShelfAlignment(alignment);
   if (web_notification_tray_)
     web_notification_tray_->SetShelfAlignment(alignment);
   status_area_widget_delegate_->UpdateLayout();
 }
 
-void StatusAreaWidget::SetHideWebNotifications(bool hide) {
-  if (web_notification_tray_)
-    web_notification_tray_->SetHidePopupBubble(hide);
-}
-
 void StatusAreaWidget::SetHideSystemNotifications(bool hide) {
   if (system_tray_)
     system_tray_->SetHideNotifications(hide);
 }
 
 bool StatusAreaWidget::ShouldShowWebNotifications() {
   return !(system_tray_ && system_tray_->IsAnyBubbleVisible());
 }
 
 void StatusAreaWidget::UpdateAfterLoginStatusChange(
     user::LoginStatus login_status) {
   if (login_status_ == login_status)
     return;
   login_status_ = login_status;
   if (system_tray_)
     system_tray_->UpdateAfterLoginStatusChange(login_status);
   if (web_notification_tray_)
     web_notification_tray_->UpdateAfterLoginStatusChange(login_status);
 }
 
 }  // namespace internal
 }  // namespace ash