Remove HttpAuth::Scheme enum in favor of a string.

net/http/http_auth_handler_ntlm.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_handler_ntlm.h"
 
 #if !defined(NTLM_SSPI)
 #include "base/base64.h"
 #endif
 #include "base/logging.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "net/base/net_errors.h"
 #include "net/base/net_util.h"
 
 namespace net {
 
 HttpAuth::AuthorizationResult HttpAuthHandlerNTLM::HandleAnotherChallenge(
     HttpAuth::ChallengeTokenizer* challenge) {
   return ParseChallenge(challenge, false);
 }
 
 bool HttpAuthHandlerNTLM::Init(HttpAuth::ChallengeTokenizer* tok) {
-  auth_scheme_ = HttpAuth::AUTH_SCHEME_NTLM;
+  auth_scheme_ = "ntlm";
   score_ = 3;
   properties_ = ENCRYPTS_IDENTITY | IS_CONNECTION_BASED;
 
   return ParseChallenge(tok, true) == HttpAuth::AUTHORIZATION_RESULT_ACCEPT;
 }
 
 int HttpAuthHandlerNTLM::GenerateAuthTokenImpl(
     const AuthCredentials* credentials, const HttpRequestInfo* request,
     const CompletionCallback& callback, std::string* auth_token) {
 #if defined(NTLM_SSPI)
@@ skipping 103 matching lines @@
 // static
 std::wstring HttpAuthHandlerNTLM::CreateSPN(const GURL& origin) {
   // The service principal name of the destination server.  See
   // http://msdn.microsoft.com/en-us/library/ms677949%28VS.85%29.aspx
   std::wstring target(L"HTTP/");
   target.append(ASCIIToWide(GetHostAndPort(origin)));
   return target;
 }
 
 }  // namespace net