Allow dynamic updating of authentication policies

net/http/http_auth.cc

 // 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.
 
 #include "net/http/http_auth.h"
 
 #include <algorithm>
 
 #include "base/basictypes.h"
 #include "base/strings/string_tokenizer.h"
@@ skipping 113 matching lines @@
       return "server";
     default:
       NOTREACHED();
       return std::string();
   }
 }
 
 // static
 const char* HttpAuth::SchemeToString(Scheme scheme) {
   static const char* const kSchemeNames[] = {
-    "basic",
-    "digest",
-    "ntlm",
-    "negotiate",
-    "spdyproxy",
-    "mock",
+      kBasicAuthScheme,     kDigestAuthScheme,    kNtlmAuthScheme,
+      kNegotiateAuthScheme, kSpdyProxyAuthScheme, kMockAuthScheme,
   };
   static_assert(arraysize(kSchemeNames) == AUTH_SCHEME_MAX,
                 "http auth scheme names incorrect size");
   if (scheme < AUTH_SCHEME_BASIC || scheme >= AUTH_SCHEME_MAX) {
     NOTREACHED();
     return "invalid_scheme";
   }
   return kSchemeNames[scheme];
 }
 
 }  // namespace net