Turn on clang format as an upload step for all the repo.

components/cronet/PRESUBMIT.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.
 
 """Top-level presubmit script for src/components/cronet.
 
 See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
 for more details about the presubmit API built into depot_tools.
 """
 
@@ skipping 61 matching lines @@
 
 
 def _RunUnittests(input_api, output_api):
   return input_api.canned_checks.RunUnitTestsInDirectory(
       input_api, output_api, '.', [ r'^.+_unittest\.py$'])
 
 
 def CheckChangeOnUpload(input_api, output_api):
   results = []
   results.extend(_PyLintChecks(input_api, output_api))
-  results.extend(
-      input_api.canned_checks.CheckPatchFormatted(input_api, output_api))
   results.extend(_PackageChecks(input_api, output_api))
   results.extend(_RunUnittests(input_api, output_api))
   return results
 
 
 def CheckChangeOnCommit(input_api, output_api):
   return _RunUnittests(input_api, output_api)
 
 
 def _GetTryMasters(project, change):
@@ skipping 30 matching lines @@
   new_description = description
   new_description += '\nCQ_INCLUDE_TRYBOTS=%s' % ';'.join(
       '%s:%s' % (master, ','.join(bots))
       for master, bots in masters.iteritems())
   results.append(output_api.PresubmitNotifyResult(
       'Automatically added Cronet trybot to run tests on CQ.'))
 
   rietveld_obj.update_description(issue, new_description)
 
   return results