Second patch in making destructors of refcounted objects private.

net/http/http_auth_handler.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_H_
 #define NET_HTTP_HTTP_AUTH_HANDLER_H_
 
 #include <string>
 
 #include "base/ref_counted.h"
 #include "net/http/http_auth.h"
 
 namespace net {
 
 class HttpRequestInfo;
 class ProxyInfo;
 
 // HttpAuthHandler is the interface for the authentication schemes
 // (basic, digest, ...)
 // The registry mapping auth-schemes to implementations is hardcoded in
 // HttpAuth::CreateAuthHandler().
 class HttpAuthHandler : public base::RefCounted<HttpAuthHandler> {
  public:
-  virtual ~HttpAuthHandler() { }
-
   // Initialize the handler by parsing a challenge string.
   bool InitFromChallenge(std::string::const_iterator begin,
                          std::string::const_iterator end,
                          HttpAuth::Target target,
                          const GURL& origin);
 
   // Lowercase name of the auth scheme
   const std::string& scheme() const {
     return scheme_;
   }
@@ skipping 43 matching lines @@
                                           const std::wstring& password,
                                           const HttpRequestInfo* request,
                                           const ProxyInfo* proxy) = 0;
 
  protected:
   enum Property {
     ENCRYPTS_IDENTITY = 1 << 0,
     IS_CONNECTION_BASED = 1 << 1,
   };
 
+  friend class base::RefCounted<HttpAuthHandler>;
+
+  virtual ~HttpAuthHandler() { }
+
   // Initialize the handler by parsing a challenge string.
   // Implementations are expcted to initialize the following members:
   // scheme_, realm_, score_, properties_
   virtual bool Init(std::string::const_iterator challenge_begin,
                     std::string::const_iterator challenge_end) = 0;
 
   // The lowercase auth-scheme {"basic", "digest", "ntlm", ...}
   std::string scheme_;
 
   // The realm.  Used by "basic" and "digest".
@@ skipping 10 matching lines @@
   // origin server.
   HttpAuth::Target target_;
 
   // A bitmask of the properties of the authentication scheme.
   int properties_;
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_AUTH_HANDLER_H_