Cleanup: Use AUTH_SCHEME enum instead of a string.

net/http/http_auth_handler_mock.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_mock.h"
 
 #include "base/message_loop.h"
 #include "base/string_util.h"
 #include "net/base/net_errors.h"
 #include "net/http/http_request_info.h"
@@ skipping 54 matching lines @@
   }
   return rv;
 }
 
 void HttpAuthHandlerMock::SetGenerateExpectation(bool async, int rv) {
   generate_async_ = async;
   generate_rv_ = rv;
 }
 
 bool HttpAuthHandlerMock::Init(HttpAuth::ChallengeTokenizer* challenge) {
-  auth_scheme_ = AUTH_SCHEME_BASIC;
-  scheme_ = "mock";
+  auth_scheme_ = HttpAuth::AUTH_SCHEME_MOCK;
   score_ = 1;
   properties_ = connection_based_ ? IS_CONNECTION_BASED : 0;
   return true;
 }
 
 HttpAuth::AuthorizationResult HttpAuthHandlerMock::HandleAnotherChallenge(
     HttpAuth::ChallengeTokenizer* challenge) {
   if (!is_connection_based())
     return HttpAuth::AUTHORIZATION_RESULT_REJECT;
   if (!LowerCaseEqualsASCII(challenge->scheme(), "mock"))
@@ skipping 70 matching lines @@
     return ERR_UNEXPECTED;
   scoped_ptr<HttpAuthHandler> tmp_handler(handlers_[target].release());
   if (do_init_from_challenge_ &&
       !tmp_handler->InitFromChallenge(challenge, target, origin, net_log))
     return ERR_INVALID_RESPONSE;
   handler->swap(tmp_handler);
   return OK;
 }
 
 }  // namespace net