convert most webrtc builders to remote_run

masters/master.client.webrtc.fyi/master_mac_cfg.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.
 
 from buildbot.schedulers.basic import SingleBranchScheduler
 
-from master.factory import annotator_factory
+from master.factory import remote_run_factory
 
-m_annotator = annotator_factory.AnnotatorFactory()
+import master_site_config
+ActiveMaster = master_site_config.WebRTCFYI
+
+
+def m_remote_run(recipe, **kwargs):
+  return remote_run_factory.RemoteRunFactory(
+      active_master=ActiveMaster,
+      repository='https://chromium.googlesource.com/chromium/tools/build.git',
+      recipe=recipe,
+      factory_properties={'path_config': 'kitchen'},
+      **kwargs)
+
 
 def Update(c):
   c['schedulers'].extend([
       SingleBranchScheduler(name='webrtc_mac_scheduler',
                             branch='master',
                             treeStableTimer=0,
                             builderNames=[
                                 'Mac64 Release (swarming)',
                             ]),
   ])
 
   specs = [
     {'name': 'Mac64 Release (swarming)', 'slavebuilddir': 'mac_swarming'},
   ]
 
   c['builders'].extend([
       {
         'name': spec['name'],
-        'factory': m_annotator.BaseFactory(spec.get('recipe',
-                                                    'webrtc/standalone')),
+        'factory': m_remote_run('webrtc/standalone'),
         'notify_on_missing': True,
         'category': 'mac',
         'slavebuilddir': spec['slavebuilddir'],
       } for spec in specs
   ])