Second patch in making destructors of refcounted objects private.

net/http/http_auth_handler_basic.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_HTTP_HTTP_AUTH_HANDLER_BASIC_H_
 #define NET_HTTP_HTTP_AUTH_HANDLER_BASIC_H_
 
 #include "net/http/http_auth_handler.h"
 
 namespace net {
 
 // Code for handling http basic authentication.
 class HttpAuthHandlerBasic : public HttpAuthHandler {
  public:
   virtual std::string GenerateCredentials(const std::wstring& username,
                                           const std::wstring& password,
                                           const HttpRequestInfo*,
                                           const ProxyInfo*);
  protected:
   virtual bool Init(std::string::const_iterator challenge_begin,
                     std::string::const_iterator challenge_end);
 
+ private:
+  ~HttpAuthHandlerBasic() {}
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_AUTH_HANDLER_BASIC_H_