[Perf] Fix profile_extender after netsim removal

tools/perf/profile_creators/profile_extender.py

 # Copyright 2013 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 copy
 
 from telemetry.core import platform
 from telemetry.util import wpr_modes
 from telemetry.internal.browser import browser_finder
 from telemetry.internal.browser import browser_finder_exceptions
@@ skipping 124 matching lines @@
     self.FetchWebPageReplayArchives()
 
     if finder_options.use_live_sites:
       wpr_mode = wpr_modes.WPR_OFF
     else:
       wpr_mode = wpr_modes.WPR_REPLAY
 
     network_controller = possible_browser.platform.network_controller
     if not network_controller.is_open:
       self._should_close_network_controller = True
-      network_controller.Open(wpr_mode, finder_options.browser_options.netsim,
+      network_controller.Open(wpr_mode,
                               finder_options.browser_options.extra_wpr_args)
     network_controller.StartReplay(
         wpr_archive_path, make_javascript_deterministic=True)
 
   def _GetPossibleBrowser(self, finder_options):
     """Return a possible_browser with the given options."""
     possible_browser = browser_finder.FindBrowser(finder_options)
     if not possible_browser:
       raise browser_finder_exceptions.BrowserFinderException(
           'No browser found.\n\nAvailable browsers:\n%s\n' %
           '\n'.join(browser_finder.GetAllAvailableBrowserTypes(finder_options)))
     finder_options.browser_options.browser_type = (
         possible_browser.browser_type)
 
     return possible_browser