[Mac] DownloadShelf should be notified when autoclosing.

chrome/browser/download/test_download_shelf.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_DOWNLOAD_TEST_DOWNLOAD_SHELF_H_
 #define CHROME_BROWSER_DOWNLOAD_TEST_DOWNLOAD_SHELF_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
@@ skipping 16 matching lines @@
 
   // Return |true| if a download was added to this shelf.
   bool did_add_download() const { return did_add_download_; }
 
   // Set download_manager_ (and the result of calling GetDownloadManager())
   void set_download_manager(content::DownloadManager* download_manager);
 
  protected:
   virtual void DoAddDownload(content::DownloadItem* download) OVERRIDE;
   virtual void DoShow() OVERRIDE;
-  virtual void DoClose() OVERRIDE;
+  virtual void DoClose(CloseReason reason) OVERRIDE;
   virtual base::TimeDelta GetTransientDownloadShowDelay() OVERRIDE;
   virtual content::DownloadManager* GetDownloadManager() OVERRIDE;
 
  private:
   bool is_showing_;
   bool did_add_download_;
   scoped_refptr<content::DownloadManager> download_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(TestDownloadShelf);
 };
 
 #endif  // CHROME_BROWSER_DOWNLOAD_TEST_DOWNLOAD_SHELF_H_