Move net/base/test_data_directory.[cc,h] to net/test

net/base/test_data_directory.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_BASE_TEST_DATA_DIRECTORY_H_
-#define NET_BASE_TEST_DATA_DIRECTORY_H_
-
-#include "base/files/file_path.h"
-
-namespace net {
-
-// Returns the FilePath object representing the absolute path in the source
-// tree that contains certificates for testing.
-base::FilePath GetTestCertsDirectory();
-
-// Returns the base::FilePath object representing the path to client
-// certificate files to be used in the |client_authorities| list
-// of a net::SSLConfig object. For all other uses, use
-// GetTestCertsDirectory() instead.
-base::FilePath GetTestClientCertsDirectory();
-
-// Returns the base::FilePath object representing the relative path containing
-// resource files for testing WebSocket. Typically the FilePath will be used as
-// document root argument for net::SpawnedTestServer with TYPE_WS or TYPE_WSS.
-base::FilePath GetWebSocketTestDataDirectory();
-
-}  // namespace net
-
-#endif  // NET_BASE_TEST_DATA_DIRECTORY_H_