Fix shelf layout when switching from left-aligned shelf to right-aligned shelf

ash/common/system/web_notification/web_notification_tray.cc

Index: ash/common/system/web_notification/web_notification_tray.cc
diff --git a/ash/common/system/web_notification/web_notification_tray.cc b/ash/common/system/web_notification/web_notification_tray.cc
index 00ca5ae9d5b0c251e13a2912036a970ab0ae029e..edf39b24345881e0692152edf389fc9803cd8307 100644
--- a/ash/common/system/web_notification/web_notification_tray.cc
+++ b/ash/common/system/web_notification/web_notification_tray.cc
@@ -345,10 +345,11 @@ void WebNotificationTray::UpdateAfterLoginStatusChange(
   OnMessageCenterTrayChanged();
 }
 
-void WebNotificationTray::SetShelfAlignment(ShelfAlignment alignment) {
+void WebNotificationTray::SetShelfAlignment(ShelfAlignment alignment,
+                                            const gfx::Insets& insets) {
   if (alignment == shelf_alignment())
     return;
-  TrayBackgroundView::SetShelfAlignment(alignment);
+  TrayBackgroundView::SetShelfAlignment(alignment, insets);
   tray_container()->SetBorder(views::Border::NullBorder());
   // Destroy any existing bubble so that it will be rebuilt correctly.
   message_center_tray_->HideMessageCenterBubble();