Add support for delegated Kerberos tickets during Negotiate authentication.

net/http/url_security_manager.cc

 // Copyright (c) 2010 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.
 
 #include "net/http/url_security_manager.h"
 
 #include "net/http/http_auth_filter.h"
 
 namespace net {
 
 URLSecurityManagerWhitelist::URLSecurityManagerWhitelist(
-    HttpAuthFilter* whitelist) : whitelist_(whitelist) {
+    const HttpAuthFilter* whitelist_default,
+    const HttpAuthFilter* whitelist_delegate)
+    : whitelist_default_(whitelist_default),
+      whitelist_delegate_(whitelist_delegate) {
 }
 
 bool URLSecurityManagerWhitelist::CanUseDefaultCredentials(
-    const GURL& auth_origin) {
-  if (whitelist_.get())
-    return whitelist_->IsValid(auth_origin, HttpAuth::AUTH_SERVER);
+    const GURL& auth_origin) const  {
+  if (whitelist_default_.get())
+    return whitelist_default_->IsValid(auth_origin, HttpAuth::AUTH_SERVER);
+  return false;
+}
+
+bool URLSecurityManagerWhitelist::CanDelegate(const GURL& auth_origin) const {
+  if (whitelist_delegate_.get())
+    return whitelist_delegate_->IsValid(auth_origin, HttpAuth::AUTH_SERVER);
   return false;
 }
 
 }  //  namespace net