Reposition toasts to align the closed one.

ash/system/web_notification/web_notification_tray.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/web_notification/web_notification_tray.h"
 
 #include "ash/root_window_controller.h"
 #include "ash/shelf/shelf_layout_manager.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
@@ skipping 181 matching lines @@
         new message_center::MessagePopupBubble(message_center());
     popup_bubble_.reset(new internal::WebNotificationBubbleWrapper(
         this, popup_bubble));
   }
   return true;
 }
 
 void WebNotificationTray::UpdatePopups() {
   if (popup_bubble())
     popup_bubble()->bubble()->ScheduleUpdate();
-  if (popup_collection_.get())
-    popup_collection_->UpdatePopups();
 };
 
 void WebNotificationTray::HidePopups() {
   popup_bubble_.reset();
   popup_collection_.reset();
 }
 
 // Private methods.
 
 bool WebNotificationTray::ShouldShowMessageCenter() {
@@ skipping 84 matching lines @@
   message_center_tray_->HidePopupBubble();
 }
 
 void WebNotificationTray::AnchorUpdated() {
   if (popup_bubble()) {
     popup_bubble()->bubble_view()->UpdateBubble();
     // Ensure that the notification buble is above the launcher/status area.
     popup_bubble()->bubble_view()->GetWidget()->StackAtTop();
     UpdateBubbleViewArrow(popup_bubble()->bubble_view());
   }
-  if (popup_collection_.get())
-    popup_collection_->UpdatePopups();
   if (message_center_bubble()) {
     message_center_bubble()->bubble_view()->UpdateBubble();
     UpdateBubbleViewArrow(message_center_bubble()->bubble_view());
   }
 }
 
 base::string16 WebNotificationTray::GetAccessibleNameForTray() {
   return l10n_util::GetStringUTF16(
       IDS_MESSAGE_CENTER_ACCESSIBLE_NAME);
 }
@@ skipping 126 matching lines @@
 
 message_center::MessagePopupBubble*
 WebNotificationTray::GetPopupBubbleForTest() {
   if (!popup_bubble())
     return NULL;
   return static_cast<message_center::MessagePopupBubble*>(
       popup_bubble()->bubble());
 }
 
 }  // namespace ash