[Mac] DownloadShelf should be notified when autoclosing.

chrome/browser/ui/views/download/download_shelf_view.h

 // 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 CHROME_BROWSER_UI_VIEWS_DOWNLOAD_DOWNLOAD_SHELF_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_DOWNLOAD_DOWNLOAD_SHELF_VIEW_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 82 matching lines @@
                                 View* focused_now) OVERRIDE;
 
   // Removes a specified download view. The supplied view is deleted after
   // it's removed.
   void RemoveDownloadView(views::View* view);
 
  protected:
   // Implementation of DownloadShelf.
   virtual void DoAddDownload(content::DownloadItem* download) OVERRIDE;
   virtual void DoShow() OVERRIDE;
-  virtual void DoClose() OVERRIDE;
+  virtual void DoClose(CloseReason reason) OVERRIDE;
 
   // From AccessiblePaneView
   virtual views::View* GetDefaultFocusableChild() OVERRIDE;
 
  private:
   // Adds a View representing a download to this DownloadShelfView.
   // DownloadShelfView takes ownership of the View, and will delete it as
   // necessary.
   void AddDownloadView(DownloadItemView* view);
 
@@ skipping 45 matching lines @@
   // by View.
   views::Link* show_all_view_;
 
   // Button for closing the downloads. This is contained as a child, and
   // deleted by View.
   views::ImageButton* close_button_;
 
   // The window this shelf belongs to.
   BrowserView* parent_;
 
-  // Whether we are auto-closing.
-  bool auto_closed_;
-
   views::MouseWatcher mouse_watcher_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadShelfView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_DOWNLOAD_DOWNLOAD_SHELF_VIEW_H_