Shows the display info as a popup when a new display is connected.

ash/system/tray/tray_notification_view.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/tray/tray_notification_view.h"
 
 #include "ash/system/tray/system_tray_item.h"
 #include "ash/system/tray/tray_constants.h"
 #include "grit/ash_strings.h"
 #include "grit/ui_resources.h"
@@ skipping 90 matching lines @@
 void TrayNotificationView::UpdateViewAndImage(views::View* new_contents,
                                               const gfx::ImageSkia& image) {
   RemoveAllChildViews(true);
   InitView(new_contents);
   icon_->SetImage(image);
   Layout();
   PreferredSizeChanged();
   SchedulePaint();
 }
 
+void TrayNotificationView::StartAutoCloseTimer(int seconds) {
+  autoclose_.Stop();
+  autoclose_delay_ = seconds;
+  if (autoclose_delay_) {
+    autoclose_.Start(FROM_HERE,
+                     base::TimeDelta::FromSeconds(autoclose_delay_),
+                     this, &TrayNotificationView::HandleClose);
+  }
+}
+
+void TrayNotificationView::StopAutoCloseTimer() {
+  autoclose_.Stop();
+}
+
+void TrayNotificationView::RestartAutoCloseTimer() {
+  if (autoclose_delay_)
+    StartAutoCloseTimer(autoclose_delay_);
+}
+
 void TrayNotificationView::ButtonPressed(views::Button* sender,
                                          const ui::Event& event) {
   HandleClose();
 }
 
 bool TrayNotificationView::OnMousePressed(const ui::MouseEvent& event) {
   HandleClickAction();
   return true;
 }
 
@@ skipping 22 matching lines @@
   owner_->HideNotificationView();
 }
 
 void TrayNotificationView::HandleClickAction() {
   HandleClose();
   OnClickAction();
 }
 
 }  // namespace internal
 }  // namespace ash