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

trunk/src/tools/metrics/histograms/print_style.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.
-
-"""Holds the constants for pretty printing histograms.xml."""
-
-import os
-import sys
-
-# Import the metrics/common module for pretty print xml.
-sys.path.append(os.path.join(os.path.dirname(__file__), '..', 'common'))
-import pretty_print_xml
-
-# Desired order for tag attributes; attributes listed here will appear first,
-# and in the same order as in these lists.
-# { tag_name: [attribute_name, ...] }
-ATTRIBUTE_ORDER = {
-  'enum': ['name', 'type'],
-  'histogram': ['name', 'enum', 'units'],
-  'int': ['value', 'label'],
-  'fieldtrial': ['name', 'separator', 'ordering'],
-  'group': ['name', 'label'],
-  'affected-histogram': ['name'],
-  'with-group': ['name'],
-}
-
-# Tag names for top-level nodes whose children we don't want to indent.
-TAGS_THAT_DONT_INDENT = [
-  'histogram-configuration',
-  'histograms',
-  'fieldtrials',
-  'enums'
-]
-
-# Extra vertical spacing rules for special tag names.
-# {tag_name: (newlines_after_open, newlines_before_close, newlines_after_close)}
-TAGS_THAT_HAVE_EXTRA_NEWLINE = {
-  'histogram-configuration': (2, 1, 1),
-  'histograms': (2, 1, 1),
-  'fieldtrials': (2, 1, 1),
-  'enums': (2, 1, 1),
-  'histogram': (1, 1, 1),
-  'enum': (1, 1, 1),
-  'fieldtrial': (1, 1, 1),
-}
-
-# Tags that we allow to be squished into a single line for brevity.
-TAGS_THAT_ALLOW_SINGLE_LINE = [
-  'summary',
-  'int',
-]
-
-