Allow dragging a download only after the download is complete.

chrome/browser/ui/cocoa/download/download_item_controller.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/download/download_item_controller.h"
 
 #include "base/mac/bundle_locations.h"
 #include "base/mac/mac_util.h"
 #include "base/metrics/histogram.h"
 #include "base/string16.h"
@@ skipping 178 matching lines @@
     DCHECK(dangerousWarning);
     [dangerousDownloadLabel_ setStringValue:dangerousWarning];
     DCHECK(confirmButtonTitle);
     [dangerousDownloadConfirmButton_ setTitle:confirmButtonTitle];
     return;
   }
 
   // Set correct popup menu. Also, set draggable download on completion.
   if (downloadModel->download()->IsComplete()) {
     [progressView_ setMenu:completeDownloadMenu_];
-    [progressView_ setDownload:downloadModel->download()->GetFullPath()];
+    [progressView_ setDownload:downloadModel->download()->GetTargetFilePath()];
   } else {
     [progressView_ setMenu:activeDownloadMenu_];
   }
 
   [cell_ setStateFromDownload:downloadModel];
 }
 
 - (void)setIcon:(NSImage*)icon {
   [cell_ setImage:icon];
 }
@@ skipping 162 matching lines @@
     [sender setTitle:l10n_util::GetNSStringWithFixup(
         IDS_DOWNLOAD_MENU_PAUSE_ITEM)];
   } else {
     [sender setTitle:l10n_util::GetNSStringWithFixup(
         IDS_DOWNLOAD_MENU_RESUME_ITEM)];
   }
   menuBridge_->ExecuteCommand(DownloadShelfContextMenuMac::TOGGLE_PAUSE);
 }
 
 @end