Small fixes to update_node.py.

tools/release/update_node.py

 #!/usr/bin/env python
 # Copyright 2017 the V8 project authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import argparse
 import os
 import shutil
 import subprocess
 import sys
 
 TARGET_SUBDIR = os.path.join("deps", "v8")
 
 SUB_REPOSITORIES = [ ["testing", "gtest"],
                      ["third_party", "jinja2"],
                      ["third_party", "markupsafe"] ]
 
 DELETE_FROM_GITIGNORE = [ "/base",
-                          "/testing/gtest" ]
+                          "/testing/gtest",
+                          "/third_party/jinja2",
+                          "/third_party/markupsafe" ]
 
 # Node.js requires only a single header file from gtest to build V8.
 # Both jinja2 and markupsafe are required to generate part of the inspector.
 ADD_TO_GITIGNORE = [ "/testing/gtest/*",
                      "!/testing/gtest/include",
                      "/testing/gtest/include/*",
                      "!/testing/gtest/include/gtest",
                      "/testing/gtest/include/gtest/*",
                      "!/testing/gtest/include/gtest/gtest_prod.h",
                      "!/third_party/jinja2",
@@ skipping 74 matching lines @@
     RunGclient(options.v8_path)
   # Update main V8 repository.
   UpdateTarget([""], options)
   # Patch .gitignore before updating sub-repositories.
   UpdateGitIgnore(options)
   for repo in SUB_REPOSITORIES:
     UpdateTarget(repo, options)
 
 if __name__ == "__main__":
   Main(sys.argv[1:])