Move the cookie store implementation into its own directory.

net/cookies/cookie_util.h

 // 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.
 
-#ifndef NET_BASE_COOKIE_UTIL_H_
-#define NET_BASE_COOKIE_UTIL_H_
+#ifndef NET_COOKIES_COOKIE_UTIL_H_
+#define NET_COOKIES_COOKIE_UTIL_H_
 #pragma once
 
 #include <string>
 
 #include "net/base/net_export.h"
 
 class GURL;
 
 namespace net {
 namespace cookie_util {
@@ skipping 13 matching lines @@
                                           const std::string& domain_string,
                                           std::string* result);
 
 // Returns true if a domain string represents a host-only cookie,
 // i.e. it doesn't begin with a leading '.' character.
 NET_EXPORT bool DomainIsHostOnly(const std::string& domain_string);
 
 }  // namspace cookie_util
 }  // namespace net
 
-#endif  // NET_BASE_COOKIE_UTIL_H_
+#endif  // NET_COOKIES_COOKIE_UTIL_H_