Update Compile Step to Build Swarm Targets if Needed

masters/master.tryserver.chromium/master.cfg

 # -*- python -*-
 # ex: set syntax=python:
 # Copyright (c) 2012 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.
 
 # READ THIS:
 # See http://dev.chromium.org/developers/testing/chromium-build-infrastructure
 
 from buildbot.scheduler import Triggerable
@@ skipping 156 matching lines @@
   # Ref: src/build/android/buildbot/buildbot_functions.sh
   # TODO(ilevy): The script should be changed to use the canonical value.
   factory_properties['extra_gyp_defines'] = (
       factory_properties['gclient_env']['GYP_DEFINES'])
 
   options = build_tool + ['--clobber-post-fail'] + (options or [])
 
   enable_swarm_tests = builder_name in ('linux', 'linux_rel', 'mac', 'mac_rel',
                                         'win', 'win_rel')
 
+  # Ensure that all targets are build when compiling with swarm enabled.
+  if enable_swarm_tests:
+    options.append('all')
+
   if annotation_script:
     # Note new slave type AnnotatedTrybot; we don't want a compile step added
     # in gclient_factory.py.
     # TODO(jrg): is a new slave type the right direction?
     builder_factory = factory.ChromiumAnnotationFactory(
         slave_type='AnnotatedTrybot', target=target, tests=tests,
         options=options,
         compile_timeout=timeout, project=project,
         factory_properties=factory_properties,
         annotation_script=annotation_script)
@@ skipping 1630 matching lines @@
 ####### 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'
 
 # Buildbot master url:
 c['buildbotURL'] = 'http://build.chromium.org/p/tryserver.chromium/'
 
 # vi: set ts=4 sts=2 sw=2 et: