Add win8 aura bot to chromium.win, make tryserver match

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 1312 matching lines @@
     options=['aura_builder'],
     tests=[
       'ash_unittests',
       'aura',
       'compositor',
       'views',
     ],
     goma=True,
     factory_properties={
       'gclient_env': {
-        'GYP_DEFINES': 'use_ash=1',
+        'GYP_DEFINES': 'use_aura=1',
       },
     })
 
 # browser_tests run for a hour. Please don't add them to the bot.
 b_linux_asan = {
   'name': 'linux_asan',
   'factory': m_chromium_linux.ChromiumASANFactory(
       slave_type='Trybot',
       options=[
         '--build-tool=ninja',
@@ skipping 595 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: