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diff --git a/chromium/ash/system/tray/tray_notification_view.h b/chromium/ash/system/tray/tray_notification_view.h
new file mode 100644
index 00000000000..314b8aad7d2
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+++ b/chromium/ash/system/tray/tray_notification_view.h
@@ -0,0 +1,98 @@
+// 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.
+
+#ifndef ASH_SYSTEM_TRAY_TRAY_NOTIFICATION_VIEW_H_
+#define ASH_SYSTEM_TRAY_TRAY_NOTIFICATION_VIEW_H_
+
+#include "base/timer/timer.h"
+#include "ui/views/controls/button/image_button.h"
+#include "ui/views/controls/slide_out_view.h"
+
+namespace gfx {
+class ImageSkia;
+}
+
+namespace views {
+class ImageView;
+}
+
+namespace ash {
+
+class SystemTrayItem;
+
+namespace internal {
+
+// A view for closable notification views, laid out like:
+//  -------------------
+// | icon  contents  x |
+//  ----------------v--
+// The close button will call OnClose() when clicked.
+class TrayNotificationView : public views::SlideOutView,
+                             public views::ButtonListener {
+ public:
+  // If icon_id is 0, no icon image will be set. SetIconImage can be called
+  // to later set the icon image.
+  TrayNotificationView(SystemTrayItem* owner, int icon_id);
+  virtual ~TrayNotificationView();
+
+  // InitView must be called once with the contents to be displayed.
+  void InitView(views::View* contents);
+
+  // Sets/updates the icon image.
+  void SetIconImage(const gfx::ImageSkia& image);
+
+  // Gets the icons image.
+  const gfx::ImageSkia& GetIconImage() const;
+
+  // Replaces the contents view.
+  void UpdateView(views::View* new_contents);
+
+  // Replaces the contents view and updates the icon image.
+  void UpdateViewAndImage(views::View* new_contents,
+                          const gfx::ImageSkia& image);
+
+  // Autoclose timer operations.
+  void StartAutoCloseTimer(int seconds);
+  void StopAutoCloseTimer();
+  void RestartAutoCloseTimer();
+
+  // Overridden from ButtonListener.
+  virtual void ButtonPressed(views::Button* sender,
+                             const ui::Event& event) OVERRIDE;
+
+  // Overridden from views::View.
+  virtual bool OnMousePressed(const ui::MouseEvent& event) OVERRIDE;
+
+  // Overridden from ui::EventHandler.
+  virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE;
+
+ protected:
+  // Called when the close button is pressed. Does nothing by default.
+  virtual void OnClose();
+  // Called when the notification is clicked on. Does nothing by default.
+  virtual void OnClickAction();
+
+  // Overridden from views::SlideOutView.
+  virtual void OnSlideOut() OVERRIDE;
+
+  SystemTrayItem* owner() { return owner_; }
+
+ private:
+  void HandleClose();
+  void HandleClickAction();
+
+  SystemTrayItem* owner_;
+  int icon_id_;
+  views::ImageView* icon_;
+
+  int autoclose_delay_;
+  base::OneShotTimer<TrayNotificationView> autoclose_;
+
+  DISALLOW_COPY_AND_ASSIGN(TrayNotificationView);
+};
+
+}  // namespace internal
+}  // namespace ash
+
+#endif  // ASH_SYSTEM_TRAY_TRAY_NOTIFICATION_VIEW_H_