Reposition toasts to align the closed one.

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

 // Copyright (c) 2013 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 "chrome/browser/ui/views/message_center/web_notification_tray_win.h"
 
 #include "base/i18n/number_formatting.h"
 #include "base/string16.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 151 matching lines @@
 void WebNotificationTrayWin::HideMessageCenter() {
   message_center_bubble_.reset();
 }
 
 void WebNotificationTrayWin::UpdateMessageCenter() {
   if (message_center_bubble_.get())
     message_center_bubble_->bubble()->ScheduleUpdate();
 }
 
 void WebNotificationTrayWin::UpdatePopups() {
-  if (popup_collection_.get())
-    popup_collection_->UpdatePopups();
+  // |popup_collection_| receives notification add/remove events and updates
+  // itself, so this method doesn't need to do anything.
+  // TODO(mukai): remove this method (currently this is used by
+  // non-rich-notifications in ChromeOS).
 };
 
 void WebNotificationTrayWin::OnMessageCenterTrayChanged() {
   UpdateStatusIcon();
 }
 
 gfx::Rect WebNotificationTrayWin::GetMessageCenterAnchor() {
   return GetMouseAnchorRect(mouse_click_point_);
 }
 
@@ skipping 62 matching lines @@
 
 message_center::MessageCenterBubble*
 WebNotificationTrayWin::GetMessageCenterBubbleForTest() {
   if (!message_center_bubble_.get())
     return NULL;
   return static_cast<message_center::MessageCenterBubble*>(
       message_center_bubble_->bubble());
 }
 
 }  // namespace message_center