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

net/http/http_auth_handler_basic.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_basic.h"
 
 #include <string>
 
 #include "base/base64.h"
 #include "base/i18n/icu_string_conversions.h"
@@ skipping 34 matching lines @@
     if (!base::ConvertToUtf8AndNormalize(
             parameters.value(), base::kCodepageLatin1, realm))
       return false;
   }
   return parameters.valid();
 }
 
 }  // namespace
 
 bool HttpAuthHandlerBasic::Init(HttpAuth::ChallengeTokenizer* challenge) {
-  auth_scheme_ = HttpAuth::AUTH_SCHEME_BASIC;
+  auth_scheme_ = "basic";
   score_ = 1;
   properties_ = 0;
   return ParseChallenge(challenge);
 }
 
 bool HttpAuthHandlerBasic::ParseChallenge(
     HttpAuth::ChallengeTokenizer* challenge) {
   // Verify the challenge's auth-scheme.
   if (!LowerCaseEqualsASCII(challenge->scheme(), "basic"))
     return false;
@@ skipping 53 matching lines @@
   // TODO(cbentzel): Move towards model of parsing in the factory
   //                 method and only constructing when valid.
   scoped_ptr<HttpAuthHandler> tmp_handler(new HttpAuthHandlerBasic());
   if (!tmp_handler->InitFromChallenge(challenge, target, origin, net_log))
     return ERR_INVALID_RESPONSE;
   handler->swap(tmp_handler);
   return OK;
 }
 
 }  // namespace net