Remove unused items in tools/

tools/perf/perf_utils.py

-#!/usr/bin/env python
-#
-# Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
-#
-# Use of this source code is governed by a BSD-style license
-# that can be found in the LICENSE file in the root of the source
-# tree. An additional intellectual property rights grant can be found
-# in the file PATENTS.  All contributing project authors may
-# be found in the AUTHORS file in the root of the source tree.
-
-# Copied from /src/chrome/test/pyautolib/pyauto_utils.py in Chromium.
-
-import sys
-
-def PrintPerfResult(graph_name, series_name, data_point, units,
-                    show_on_waterfall=False):
-  """Prints a line to stdout that is specially formatted for the perf bots.
-
-  Args:
-    graph_name: String name for the graph on which to plot the data.
-    series_name: String name for the series (line on the graph) associated with
-                 the data.  This is also the string displayed on the waterfall
-                 if |show_on_waterfall| is True.
-    data_point: Numeric data value to plot on the graph for the current build.
-                This can be a single value or an array of values.  If an array,
-                the graph will plot the average of the values, along with error
-                bars.
-    units: The string unit of measurement for the given |data_point|.
-    show_on_waterfall: Whether or not to display this result directly on the
-                       buildbot waterfall itself (in the buildbot step running
-                       this test on the waterfall page, not the stdio page).
-  """
-  waterfall_indicator = ['', '*'][show_on_waterfall]
-  print '%sRESULT %s: %s= %s %s' % (
-      waterfall_indicator, graph_name, series_name,
-      str(data_point).replace(' ', ''), units)
-  sys.stdout.flush()