Move depot_tools presubmit trybot from chromium.linux to infra.

masters/master.tryserver.chromium.linux/master.cfg

 # -*- python -*-
 # ex: set syntax=python:
 # Copyright (c) 2012 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.
 
 # READ THIS:
 # See http://dev.chromium.org/developers/testing/chromium-build-infrastructure
 
 import os
@@ skipping 314 matching lines @@
   return {
     'name': '%s_presubmit' % name,
     'slavebuilddir': (slavebuilddir or ('presubmit_%s' % name)),
     'factory': m_annotator.BaseFactory(
         'run_presubmit', properties,
         max_time=master_utils.CQ_MAX_TIME),
   }
 
 b_chromium_presubmit = presubmit('chromium', slavebuilddir='linux',
                                  extra_props={'runhooks': True})
-b_depot_tools_presubmit = presubmit('depot_tools')
 
 # These variable builders are used by Findit to identify culprit commits for
 # compile or test failures on the main waterfall. They run on optional slaves
 # and NOT CQ slaves.
 variable_builders = [
   {
     'name': 'linux_chromium_variable',
     'factory': m_annotator.BaseFactory('findit/chromium/compile'),
     'slavebuilddir': 'linux',
   },
@@ skipping 11 matching lines @@
     'name': 'linux_chromium_chromeos_asan_variable',
     'factory': m_annotator.BaseFactory('findit/chromium/compile'),
     'slavebuilddir': 'linux_chromeos_asan',
   },
 ]
 
 c['builders'] = [
   b_chromium_presubmit,
   b_codesearch_chromeos_builder,
   b_codesearch_linux_builder,
-  b_depot_tools_presubmit,
   b_linux_chromium_asan_rel_ng,
   b_linux_chromium_browser_side_navigation_rel,
   b_linux_full_bisect_builder,
   b_linux_nacl_sdk,
   b_linux_nacl_sdk_build,
   b_linux_site_isolation,
   b_linux_valgrind,
 ] + chromium_builders + ozone_builders + variable_builders
 
 
@@ skipping 118 matching lines @@
 #  base.make_stop_form = hack_stop(base.make_stop_form)
 
 
 ####### PROJECT IDENTITY
 
 # The 'projectURL' string will be used to provide a link
 # from buildbot HTML pages to your project's home page.
 c['projectURL'] = 'http://dev.chromium.org/developers/testing/try-server-usage'
 
 # vi: set ts=4 sts=2 sw=2 et: