chromium.mac: convert ios/unified_builder_tester builders to remote_run

masters/master.chromium.mac/master_ios_cfg.py

Index: masters/master.chromium.mac/master_ios_cfg.py
diff --git a/masters/master.chromium.mac/master_ios_cfg.py b/masters/master.chromium.mac/master_ios_cfg.py
index 5f0c96cf86fcaa2b6e39bdfdc25009591e89d22f..303f6c2e8068916f26dcb39ec75c2fc0fea1cb20 100644
--- a/masters/master.chromium.mac/master_ios_cfg.py
+++ b/masters/master.chromium.mac/master_ios_cfg.py
@@ -4,9 +4,20 @@
 
 from buildbot.schedulers.basic import SingleBranchScheduler
 
-from master.factory import annotator_factory
+from master.factory import remote_run_factory
+
+import master_site_config
+ActiveMaster = master_site_config.ChromiumMac
+
+
+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)
 
-m_annotator = annotator_factory.AnnotatorFactory()
 
 def Update(config, active_master, c):
   c['schedulers'].extend([
@@ -26,9 +37,7 @@ def Update(config, active_master, c):
   c['builders'].extend([
       {
         'name': spec['name'],
-        'factory': m_annotator.BaseFactory(
-            'ios/unified_builder_tester',
-            factory_properties=spec.get('factory_properties')),
+        'factory': m_remote_run('ios/unified_builder_tester'),
         'notify_on_missing': True,
         'category': '3mac',
       } for spec in specs