RefCounted types should not have public destructors, content/browser part 1

content/browser/download/drag_download_util.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_DRAG_DOWNLOAD_UTIL_H_
 #define CONTENT_BROWSER_DOWNLOAD_DRAG_DOWNLOAD_UTIL_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
@@ skipping 27 matching lines @@
 // insert the sequential unifier to produce a new file, like foo-01.txt.
 // Return a FileStream if successful.
 // |net_log| is a NetLog for the stream.
 net::FileStream* CreateFileStreamForDrop(
     FilePath* file_path, net::NetLog* net_log);
 
 // Implementation of DownloadFileObserver to finalize the download process.
 class PromiseFileFinalizer : public ui::DownloadFileObserver {
  public:
   explicit PromiseFileFinalizer(DragDownloadFile* drag_file_downloader);
-  virtual ~PromiseFileFinalizer();
 
   // DownloadFileObserver methods.
   virtual void OnDownloadCompleted(const FilePath& file_path) OVERRIDE;
   virtual void OnDownloadAborted() OVERRIDE;
 
+ protected:
+  virtual ~PromiseFileFinalizer();
+
  private:
   void Cleanup();
 
   scoped_refptr<DragDownloadFile> drag_file_downloader_;
 
   DISALLOW_COPY_AND_ASSIGN(PromiseFileFinalizer);
 };
 
 }  // namespace drag_download_util
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_DRAG_DOWNLOAD_UTIL_H_