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

net/http/http_auth_handler_mock.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_mock.h"
 
 #include "base/bind.h"
 #include "base/message_loop.h"
 #include "base/string_util.h"
 #include "net/base/net_errors.h"
@@ skipping 82 matching lines @@
 
 bool HttpAuthHandlerMock::AllowsDefaultCredentials() {
   return allows_default_credentials_;
 }
 
 bool HttpAuthHandlerMock::AllowsExplicitCredentials() {
   return allows_explicit_credentials_;
 }
 
 bool HttpAuthHandlerMock::Init(HttpAuth::ChallengeTokenizer* challenge) {
-  auth_scheme_ = HttpAuth::AUTH_SCHEME_MOCK;
+  auth_scheme_ = "mock";
   score_ = 1;
   properties_ = connection_based_ ? IS_CONNECTION_BASED : 0;
   return true;
 }
 
 int HttpAuthHandlerMock::GenerateAuthTokenImpl(
     const AuthCredentials* credentials,
     const HttpRequestInfo* request,
     const CompletionCallback& callback,
     std::string* auth_token) {
@@ skipping 63 matching lines @@
   std::vector<HttpAuthHandler*>& handlers = handlers_[target].get();
   handlers.erase(handlers.begin());
   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