Second patch in making destructors of refcounted objects private.

net/base/upload_data.h

 // Copyright (c) 2006-2008 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 NET_BASE_UPLOAD_DATA_H_
 #define NET_BASE_UPLOAD_DATA_H_
 
 #include <vector>
 
 #include "base/file_path.h"
@@ skipping 84 matching lines @@
     elements_.swap(*elements);
   }
 
   // Identifies a particular upload instance, which is used by the cache to
   // formulate a cache key.  This value should be unique across browser
   // sessions.  A value of 0 is used to indicate an unspecified identifier.
   void set_identifier(int64 id) { identifier_ = id; }
   int64 identifier() const { return identifier_; }
 
  private:
+  friend class base::RefCounted<UploadData>;
+
+  ~UploadData() {}
+
   std::vector<Element> elements_;
   int64 identifier_;
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_UPLOAD_DATA_H_