Move the cookie store implementation into its own directory.

net/cookies/cookie_store_test_callbacks.h

Index: net/cookies/cookie_store_test_callbacks.h
diff --git a/net/base/cookie_store_test_callbacks.h b/net/cookies/cookie_store_test_callbacks.h
similarity index 94%
copy from net/base/cookie_store_test_callbacks.h
copy to net/cookies/cookie_store_test_callbacks.h
index 0957839d34f77ef5c65d940173245718ad43c302..d201d3264369b469b4cb945af3f75c031c2c40f5 100644
--- a/net/base/cookie_store_test_callbacks.h
+++ b/net/cookies/cookie_store_test_callbacks.h
@@ -2,14 +2,14 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef NET_BASE_COOKIE_STORE_TEST_CALLBACKS_H_
-#define NET_BASE_COOKIE_STORE_TEST_CALLBACKS_H_
+#ifndef NET_COOKIES_COOKIE_STORE_TEST_CALLBACKS_H_
+#define NET_COOKIES_COOKIE_STORE_TEST_CALLBACKS_H_
 #pragma once
 
 #include <string>
 #include <vector>
 
-#include "net/base/cookie_store.h"
+#include "net/cookies/cookie_store.h"
 
 class MessageLoop;
 
@@ -134,4 +134,4 @@ class DeleteCookieCallback : public CookieCallback {
 
 }  // namespace net
 
-#endif  // NET_BASE_COOKIE_STORE_TEST_CALLBACKS_H_
+#endif  // NET_COOKIES_COOKIE_STORE_TEST_CALLBACKS_H_