Implement SSL client authentication for Windows....

net/http/http_transaction_unittest.h

Index: net/http/http_transaction_unittest.h
===================================================================
--- net/http/http_transaction_unittest.h	(revision 18321)
+++ net/http/http_transaction_unittest.h	(working copy)
@@ -1,4 +1,4 @@
-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Copyright (c) 2006-2009 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.
 
@@ -234,6 +234,11 @@
     return net::ERR_FAILED;
   }
 
+  virtual int RestartWithCertificate(net::X509Certificate* client_cert,
+                                     net::CompletionCallback* callback) {
+    return net::ERR_FAILED;
+  }
+
   virtual int RestartWithAuth(const std::wstring& username,
                               const std::wstring& password,
                               net::CompletionCallback* callback) {