Add loop for triggering try bots in --auto-update flag

third_party/WebKit/Tools/Scripts/webkitpy/w3c/deps_updater.py

 # Copyright 2014 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.
 
 """Pull latest revisions of a W3C test repo and make a local commit."""
 
 import argparse
 import json
 import time
 
@@ skipping 58 matching lines @@
             try_bots = self.host.builders.all_try_builder_names()
             data_file_path = self.finder.path_from_webkit_base('Tools', 'Scripts', 'webkitpy', 'w3c', 'directory_owners.json')
             with open(data_file_path) as data_file:
                 directory_dict = self.parse_directory_owners(json.load(data_file))
             self.print_('## Gathering directory owners email to CC')
             _, out = self.run(['git', 'diff', 'master', '--name-only'])
             email_list = self.generate_email_list(out, directory_dict)
             self.print_('## Uploading change list.')
             self.check_run(self.generate_upload_command(email_list))
             self.print_('## Triggering try jobs.')
-            self.run(['git', 'cl', 'try'] + ['-b ' + try_bot for try_bot in try_bots])
+            for try_bot in try_bots:
+                self.run(['git', 'cl', 'try', '-b', try_bot])
             self.print_('## Waiting for Try Job Results')
             if self.has_failing_results():
                 self.write_test_expectations()
             else:
                 self.print_('No Failures, committing patch.')
             self.run(['git', 'cl', 'land', '-f'])
         return 0
 
     def parse_args(self, argv):
         parser = argparse.ArgumentParser()
@@ skipping 262 matching lines @@
             if results.get('Failures'):
                 return True
             return False
 
     def generate_upload_command(self, email_list):
         command = ['git', 'cl', 'upload', '-f', '-m', 'W3C auto test importer']
         command += ['--cc=' + email for email in email_list]
         if self.auth_refresh_token_json:
             command += ['--auth-refresh-token-json', self.auth_refresh_token_json]
         return command