WebRTC: Disable remote_run for webrtc/ios recipe

masters/master.tryserver.webrtc/master.cfg

 #!/usr/bin/env python
 #  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
 #
 #  Use of this source code is governed by a BSD-style license
 #  that can be found in the LICENSE file in the root of the source
 #  tree. An additional intellectual property rights grant can be found
 #  in the file PATENTS.  All contributing project authors may
 #  be found in the AUTHORS file in the root of the source tree.
 
 import os
@@ skipping 120 matching lines @@
       recipe=recipe,
       factory_properties={'path_config': 'kitchen'},
       **kwargs)
 
 
 c['builders'] = [
     {
       'name': spec['name'],
       # TODO(sergiyb): Remove the timeout below after all bots have synched past
       # Blink merge commit.
+      # remote_run is not working for the webrtc/ios recipe: crbug.com/637666.
       'factory': m_annotator.BaseFactory(spec['recipe'], timeout=3600)
-          if spec.get('recipe') == 'webrtc/libfuzzer'
-          else m_remote_run(spec.get('recipe', 'webrtc/standalone'),
-                            timeout=3600),
+           if 'recipe' in spec and spec['recipe'] in ('webrtc/ios',
+                                                      'webrtc/libfuzzer')
+           else m_remote_run(spec.get('recipe', 'webrtc/standalone'),
+                             timeout=3600),
       'slavebuilddir': spec['slavebuilddir'],
     } for spec in specs
 ]
 
 
 # Presubmit builder.
 c['builders'].append(
   {
     'name': 'presubmit',
     'factory': m_annotator.BaseFactory('run_presubmit',
@@ skipping 92 matching lines @@
 # Must be at least 2x the number of slaves.
 c['eventHorizon'] = 100
 # Must be at least 2x the number of on-going builds.
 c['buildCacheSize'] = 100
 
 ####### PROJECT IDENTITY
 
 # The 'projectURL' string will be used to provide a link
 # from buildbot HTML pages to your project's home page.
 c['projectURL'] = 'http://dev.chromium.org/developers/testing/try-server-usage'