Revert 255357 "Change the user action file format from .txt to ...."

trunk/src/tools/metrics/actions/PRESUBMIT.py

-# Copyright 2014 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.
-
-"""Presubmit script for actions.xml.
-
-See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
-for more details on the presubmit API built into gcl.
-"""
-
-
-def CheckChange(input_api, output_api):
-  """Checks that actions.xml is up to date and pretty-printed."""
-  for f in input_api.AffectedTextFiles():
-    p = f.AbsoluteLocalPath()
-    if (input_api.basename(p) == 'actions.xml'
-        and input_api.os_path.dirname(p) == input_api.PresubmitLocalPath()):
-      cwd = input_api.os_path.dirname(p)
-      exit_code = input_api.subprocess.call(
-          ['python', 'extract_actions.py', '--presubmit'], cwd=cwd)
-      if exit_code != 0:
-        return [output_api.PresubmitError(
-            'actions.xml is not up to date or is not formatted correctly; '
-            'run extract_actions.py to fix')]
-  return []
-
-
-def CheckChangeOnUpload(input_api, output_api):
-  return CheckChange(input_api, output_api)
-
-
-def CheckChangeOnCommit(input_api, output_api):
-  return CheckChange(input_api, output_api)