Allow dynamic updating of authentication policies

net/http/http_auth_scheme.cc

+// 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.
+
+#include "net/base/net_export.h"
+#include "net/http/http_auth_scheme.h"
+
+namespace net {
+const char kBasicAuthScheme[] = "basic";
+const char kDigestAuthScheme[] = "digest";
+const char kNtlmAuthScheme[] = "ntlm";
+const char kNegotiateAuthScheme[] = "negotiate";
+const char kSpdyProxyAuthScheme[] = "spdyproxy";
+const char kMockAuthScheme[] = "mock";
+}  // namespace net