Added new slaves and spec files for GPU FYI bots running Chromium recipe.

scripts/master/recipe_master_helper.py

 # Copyright 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.
 
 from buildbot.scheduler import Scheduler
 from buildbot.scheduler import Triggerable
 
 import collections
 
 # This file contains useful functions for masters whose slaves run recipes.
@@ skipping 32 matching lines @@
   polling_builders = []
   # Maps the parent builder to a set of the names of the builders it triggers.
   trigger_map = collections.defaultdict(list)
   # Maps the name of the parent builder to the (synthesized) name of its
   # trigger, wrapped in a list.
   trigger_name_map = {}
   next_group_id = 0
   for slave in slave_list.slaves:
     builder = slave['builder']
     parent_builder = slave.get('triggered_by')
-    if parent_builder is not None:
+    if parent_builder == 'none':
+      # Uses recipe-side triggers. Don't add to trigger maps.
+      pass
+    elif parent_builder is not None:
       if slave_list.GetSlave(builder=parent_builder) is None:
         raise Exception('Could not find parent builder %s for builder %s' %
                         (parent_builder, builder))
       trigger_map[parent_builder].append(builder)
       if parent_builder not in trigger_name_map:
         trigger_name_map[parent_builder] = 'trigger_group_%d' % next_group_id
         next_group_id += 1
     else:
       polling_builders.append(builder)
   s_gpu = Scheduler(name=scheduler_name,
@@ skipping 45 matching lines @@
           factory_properties,
           [trigger_name_map[name]] if name in trigger_name_map else None),
         'gatekeeper': slave.get('gatekeeper_categories', ''),
       }
       # Don't specify auto_reboot unless the slave does, to let
       # master_utils' default take effect.
       if 'auto_reboot' in slave:
         builder['auto_reboot'] = slave['auto_reboot']
       builders.append(builder)
   buildmaster_config['builders'] = builders