Allow dynamic updating of authentication policies

net/base/net_pref_names.h

Index: net/base/net_pref_names.h
diff --git a/net/base/net_pref_names.h b/net/base/net_pref_names.h
new file mode 100644
index 0000000000000000000000000000000000000000..fe5d4c7587829928e780801fd469b7a8de0b5e86
--- /dev/null
+++ b/net/base/net_pref_names.h
@@ -0,0 +1,27 @@
+// Copyright 2015 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_BASE_NET_PREF_NAMES_H_
+#define NET_BASE_NET_PREF_NAMES_H_
+
+#include "build/build_config.h"
+#include "net/base/net_export.h"
+
+namespace net {
+
+namespace prefs {
+
+extern NET_EXPORT const char kAuthSchemes[];
+extern NET_EXPORT const char kDisableAuthNegotiateCnameLookup[];
+extern NET_EXPORT const char kEnableAuthNegotiatePort[];
+extern NET_EXPORT const char kAuthServerWhitelist[];
+extern NET_EXPORT const char kAuthNegotiateDelegateWhitelist[];
+extern NET_EXPORT const char kGSSAPILibraryName[];
+#if defined(OS_ANDROID)
+extern NET_EXPORT const char kAuthAndroidNegotiateAccountType[];
+#endif
+}  // namespace prefs
+
+}  // namespace net
+#endif  // NET_BASE_NET_PREF_NAMES_H_