Don't leak SSPILibraryDefault objects

net/http/http_auth_handler_ntlm_win.cc

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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.
 
 // See "SSPI Sample Application" at
 // http://msdn.microsoft.com/en-us/library/aa918273.aspx
 // and "NTLM Security Support Provider" at
 // http://msdn.microsoft.com/en-us/library/aa923611.aspx.
 
 #include "net/http/http_auth_handler_ntlm.h"
 
@@ skipping 44 matching lines @@
     HttpAuth::ChallengeTokenizer* challenge,
     HttpAuth::Target target,
     const GURL& origin,
     CreateReason reason,
     int digest_nonce_count,
     const BoundNetLog& net_log,
     scoped_ptr<HttpAuthHandler>* handler) {
   if (is_unsupported_ || reason == CREATE_PREEMPTIVE)
     return ERR_UNSUPPORTED_AUTH_SCHEME;
   if (max_token_length_ == 0) {
-    int rv = DetermineMaxTokenLength(sspi_library_, NTLMSP_NAME,
+    int rv = DetermineMaxTokenLength(sspi_library_.get(), NTLMSP_NAME,
                                      &max_token_length_);
     if (rv == ERR_UNSUPPORTED_AUTH_SCHEME)
       is_unsupported_ = true;
     if (rv != OK)
       return rv;
   }
   // TODO(cbentzel): Move towards model of parsing in the factory
   //                 method and only constructing when valid.
   scoped_ptr<HttpAuthHandler> tmp_handler(
-      new HttpAuthHandlerNTLM(sspi_library_, max_token_length_,
+      new HttpAuthHandlerNTLM(sspi_library_.get(), max_token_length_,
                               url_security_manager()));
   if (!tmp_handler->InitFromChallenge(challenge, target, origin, net_log))
     return ERR_INVALID_RESPONSE;
   handler->swap(tmp_handler);
   return OK;
 }
 
 }  // namespace net