Use a real download item....

chrome/browser/cocoa/download_item_controller.h

 // Copyright (c) 2009 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.
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/scoped_ptr.h"
 
 class BaseDownloadItemModel;
+@class DownloadItemCell;
 class DownloadItemMac;
 class DownloadShelfContextMenuMac;
 @class DownloadShelfController;
 
 // A controller class that manages one download item.
 
 @interface DownloadItemController : NSViewController {
  @private
-  IBOutlet NSPopUpButton* popupButton_;
+  IBOutlet NSButton* progressView_;
+  IBOutlet DownloadItemCell* cell_;
 
   IBOutlet NSMenu* activeDownloadMenu_;
   IBOutlet NSMenu* completeDownloadMenu_;
 
+  NSMenu* currentMenu_;  // points to one of the two menus above
+
   scoped_ptr<DownloadItemMac> bridge_;
   scoped_ptr<DownloadShelfContextMenuMac> menuBridge_;
 
   // Weak pointer to the shelf that owns us.
   DownloadShelfController* shelf_;
 };
 
 // Takes ownership of |downloadModel|.
 - (id)initWithFrame:(NSRect)frameRect
               model:(BaseDownloadItemModel*)downloadModel
               shelf:(DownloadShelfController*)shelf;
 
 // Updates the UI and menu state from |downloadModel|.
 - (void)setStateFromDownload:(BaseDownloadItemModel*)downloadModel;
 
 // Remove ourself from the download UI.
 - (void)remove;
 
+// Download item button clicked
+- (IBAction)handleButtonClick:(id)sender;
+
 // Context menu handlers.
 - (IBAction)handleOpen:(id)sender;
 - (IBAction)handleAlwaysOpen:(id)sender;
 - (IBAction)handleReveal:(id)sender;
 - (IBAction)handleCancel:(id)sender;
 
 @end