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

tools/clang/scripts/test_tool.py

Index: tools/clang/scripts/test_tool.py
diff --git a/tools/clang/scripts/test_tool.py b/tools/clang/scripts/test_tool.py
index 09ff46033d56d0542126feb3ee4d8840ed01d990..0e7b843889879e3563dd298962312ca845fc8749 100755
--- a/tools/clang/scripts/test_tool.py
+++ b/tools/clang/scripts/test_tool.py
@@ -45,9 +45,9 @@ def main(argv):
                                   '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(