Use a direct include of the message_loop header in net/, part 2.

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/message_loop/message_loop.h"
 #include "base/strings/string_util.h"
 #include "net/base/net_errors.h"
 #include "net/http/http_request_info.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace net {
 
 HttpAuthHandlerMock::HttpAuthHandlerMock()
   : resolve_(RESOLVE_INIT),
     weak_factory_(this),
@@ skipping 158 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