Make blink_trybot recipe work on windows

scripts/slave/recipes/run_presubmit.py

 # Copyright (c) 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.
 
-DEPS = ['properties', 'gclient', 'git', 'rietveld', 'step', 'path']
+DEPS = [
+  'gclient',
+  'git',
+  'path',
+  'properties',
+  'rietveld',
+  'step',
+]
 
 def GenSteps(api):
   root = api.rietveld.calculate_issue_root()
 
   # FIXME: Remove the blink_bare repository type.
   # TODO(iannucci): Pass the build repo info directly via properties
   repo_name = api.properties['repo_name']
   if repo_name == 'blink_bare':
     root = ''
 
   api.gclient.set_config(repo_name)
   yield api.gclient.checkout()
 
   spec = api.gclient.c
   if spec.solutions[0].url.endswith('.git'):
-    seed_steps = ['git config user.email', 'git config user.name',
-                  'git clean']
-    yield api.git.command('config', 'user.email', 'commit-bot@chromium.org',
-                          seed_steps=seed_steps)
-    yield api.git.command('config', 'user.name', 'The Commit Bot')
-    yield api.git.command('clean', '-xfq')
+    yield (
+        api.git.command('config', 'user.email', 'commit-bot@chromium.org'),
+        api.git.command('config', 'user.name', 'The Commit Bot'),
+        api.git.command('clean', '-xfq')
+    )
 
   yield api.rietveld.apply_issue(root)
 
   yield api.step('presubmit', [
     api.path.depot_tools('presubmit_support.py'),
     '--root', api.path.checkout(root),
     '--commit',
     '--verbose', '--verbose',
     '--issue', api.properties['issue'],
     '--patchset', api.properties['patchset'],
@@ skipping 11 matching lines @@
       props = api.properties_tryserver(
         root='src/third_party/WebKit'
       )
     else:
       props = api.properties_tryserver()
 
     props['repo_name'] = repo_name
     yield repo_name, {
       'properties': props
     }