[telemetry] Refactoring script.

tools/telemetry/count

-#! /usr/bin/env python
-# Copyright 2015 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.
-
-import imp
-import inspect
-import os
-
-from telemetry.util import path
-
-
-def IncludeDir(dir_name):
-  return (dir_name[0] != '.' and dir_name[0] != '_' and
-      not dir_name.startswith('internal') and not dir_name == 'third_party')
-
-
-def IncludeFile(file_name):
-  root, ext = os.path.splitext(file_name)
-  return (file_name[0] != '.' and
-      not root.endswith('_unittest') and ext == '.py')
-
-
-def ListFiles(directory):
-  matching_files = []
-  for root, dirs, files in os.walk(directory):
-    dirs[:] = [dir_name for dir_name in dirs if IncludeDir(dir_name)]
-    matching_files += [
-        os.path.relpath(os.path.join(root, file_name), directory)
-        for file_name in files if IncludeFile(file_name)]
-  return sorted(matching_files)
-
-
-def main():
-  modules = ListFiles(path.GetTelemetryDir())
-  print len(modules)
-
-
-if __name__ == '__main__':
-  main()