Implement rewrite logic for assigning a temporary scoped_refptr to T*.

tools/clang/scripts/test_tool.py

 #!/usr/bin/env python
 # Copyright (c) 2013 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.
 
 """Test harness for chromium clang tools."""
 
 import difflib
 import glob
 import json
@@ skipping 27 matching lines @@
 
   tool_to_test = argv[0]
   tools_clang_scripts_directory = os.path.dirname(os.path.realpath(__file__))
   tools_clang_directory = os.path.dirname(tools_clang_scripts_directory)
   test_directory_for_tool = os.path.join(
       tools_clang_directory, tool_to_test, 'tests')
   compile_database = os.path.join(test_directory_for_tool,
                                   'compile_commands.json')
   source_files = glob.glob(os.path.join(test_directory_for_tool,
                                         '*-original.cc'))
-  actual_files = ['-'.join([source_file.rsplit('-', 2)[0], 'actual.cc'])
+  actual_files = ['-'.join([source_file.rsplit('-', 1)[0], 'actual.cc'])
                   for source_file in source_files]
-  expected_files = ['-'.join([source_file.rsplit('-', 2)[0], 'expected.cc'])
+  expected_files = ['-'.join([source_file.rsplit('-', 1)[0], 'expected.cc'])
                     for source_file in source_files]
   include_paths = []
   include_paths.append(
       os.path.realpath(os.path.join(tools_clang_directory, '../..')))
 
   try:
     # Set up the test environment.
     for source, actual in zip(source_files, actual_files):
       shutil.copyfile(source, actual)
     # Stage the test files in the git index. If they aren't staged, then
@@ skipping 50 matching lines @@
   finally:
     # No matter what, unstage the git changes we made earlier to avoid polluting
     # the index.
     args = ['git', 'reset', '--quiet', 'HEAD']
     args.extend(actual_files)
     subprocess.call(args)
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))