Enable "Hide Extension" option when "Save Link As" on the Mac

content/browser/download/download_item_impl.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 CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_ITEM_IMPL_H_
 #define CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_ITEM_IMPL_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 294 matching lines @@
 
   // Called when the target path has been determined. |target_path| is the
   // suggested target path. |disposition| indicates how the target path should
   // be used (see TargetDisposition). |danger_type| is the danger level of
   // |target_path| as determined by the caller. |intermediate_path| is the path
   // to use to store the download until OnDownloadCompleting() is called.
   virtual void OnDownloadTargetDetermined(
       const base::FilePath& target_path,
       TargetDisposition disposition,
       DownloadDangerType danger_type,
-      const base::FilePath& intermediate_path);
+      const base::FilePath& intermediate_path,
+      bool hide_file_extension);
 
   // Callback from file thread when we initialize the DownloadFile.
   void OnDownloadFileInitialized(DownloadInterruptReason result);
 
   void OnDownloadRenamedToIntermediateName(
       DownloadInterruptReason reason, const base::FilePath& full_path);
 
   // If all pre-requisites have been met, complete download processing, i.e. do
   // internal cleanup, file rename, and potentially auto-open.  (Dangerous
   // downloads still may block on user acceptance after this point.)
@@ skipping 225 matching lines @@
   const net::BoundNetLog bound_net_log_;
 
   base::WeakPtrFactory<DownloadItemImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadItemImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_ITEM_IMPL_H_