Second patch in making destructors of refcounted objects private.

net/http/http_auth_handler.h

Index: net/http/http_auth_handler.h
===================================================================
--- net/http/http_auth_handler.h	(revision 31079)
+++ net/http/http_auth_handler.h	(working copy)
@@ -21,8 +21,6 @@
 // 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,
@@ -86,6 +84,10 @@
     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_