Use a direct include of the message_loop header in net/, part 1.

net/cookies/cookie_store_unittest.h

 // Copyright (c) 2012 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.
 
 #ifndef NET_COOKIES_COOKIE_STORE_UNITTEST_H_
 #define NET_COOKIES_COOKIE_STORE_UNITTEST_H_
 
 #include "base/bind.h"
-#include "base/message_loop.h"
+#include "base/message_loop/message_loop.h"
 #include "base/strings/string_tokenizer.h"
 #include "base/threading/thread.h"
 #include "net/cookies/cookie_monster.h"
 #include "net/cookies/cookie_store.h"
 #include "net/cookies/cookie_store_test_callbacks.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "url/gurl.h"
 
 // This file declares unittest templates that can be used to test common
 // behavior of any CookieStore implementation.
@@ skipping 1131 matching lines @@
 REGISTER_TYPED_TEST_CASE_P(MultiThreadedCookieStoreTest,
                            ThreadCheckGetCookies,
                            ThreadCheckGetCookiesWithOptions,
                            ThreadCheckSetCookieWithOptions,
                            ThreadCheckDeleteCookie,
                            ThreadCheckDeleteSessionCookies);
 
 }  // namespace net
 
 #endif  // NET_COOKIES_COOKIE_STORE_UNITTEST_H_