Cleanup: Use AUTH_SCHEME enum instead of a string.

net/http/http_auth_handler_basic.cc

 // Copyright (c) 2010 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/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "net/base/net_errors.h"
 #include "net/http/http_auth.h"
 
 namespace net {
 
 // Note that if a realm was not specified, we will default it to "";
 // so specifying 'Basic realm=""' is equivalent to 'Basic'.
 //
 // This is more generous than RFC 2617, which is pretty clear in the
 // production of challenge that realm is required.
 //
 // We allow it to be compatibility with certain embedded webservers that don't
 // include a realm (see http://crbug.com/20984.)
 bool HttpAuthHandlerBasic::Init(HttpAuth::ChallengeTokenizer* challenge) {
-  auth_scheme_ = AUTH_SCHEME_BASIC;
-  scheme_ = "basic";
+  auth_scheme_ = HttpAuth::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 55 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