Pass in custom options to Systrace agents

systrace/profile_chrome/flags.py

 # 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 optparse
 
-def AtraceOptions(parser):
-  atrace_opts = optparse.OptionGroup(parser, 'Systrace tracing options')
-  atrace_opts.add_option('-s', '--systrace', help='Capture a systrace with '
-                           'the chosen comma-delimited systrace categories. You'
-                           ' can also capture a combined Chrome + systrace by '
-                           'enabling both types of categories. Use "list" to '
-                           'see the available categories. Systrace is disabled'
-                           ' by default. Note that in this case, Systrace is '
-                           'synonymous with Atrace.',
-                           metavar='ATRACE_CATEGORIES',
-                           dest='atrace_categories', default='')
-  return atrace_opts
-
 
 def OutputOptions(parser):
   output_options = optparse.OptionGroup(parser, 'Output options')
   output_options.add_option('-o', '--output', help='Save trace output to file.')
   output_options.add_option('--json', help='Save trace as raw JSON instead of '
                             'HTML.', action='store_true')
   output_options.add_option('--view', help='Open resulting trace file in a '
                             'browser.', action='store_true')
   return output_options