Remove unneeded headers in http_auth.cc

net/http/http_auth.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.h"
 
 #include <algorithm>
 
 #include "base/basictypes.h"
 #include "base/string_util.h"
 #include "net/base/net_errors.h"
-#include "net/http/http_auth_handler_basic.h"
-#include "net/http/http_auth_handler_digest.h"
-#include "net/http/http_auth_handler_negotiate.h"
-#include "net/http/http_auth_handler_ntlm.h"
+#include "net/http/http_auth_handler.h"
+#include "net/http/http_auth_handler_factory.h"
 #include "net/http/http_request_headers.h"
 #include "net/http/http_response_headers.h"
 #include "net/http/http_util.h"
 
 namespace net {
 
 HttpAuth::Identity::Identity() : source(IDENT_SRC_NONE), invalid(true) {}
 
 // static
 void HttpAuth::ChooseBestChallenge(
@@ skipping 151 matching lines @@
   COMPILE_ASSERT(arraysize(kSchemeNames) == AUTH_SCHEME_MAX,
                  http_auth_scheme_names_incorrect_size);
   if (scheme < AUTH_SCHEME_BASIC || scheme >= AUTH_SCHEME_MAX) {
     NOTREACHED();
     return "invalid_scheme";
   }
   return kSchemeNames[scheme];
 }
 
 }  // namespace net