Use MSVS2015 for the fyi PGO builds

scripts/slave/recipes/chromium_pgo.py

 # Copyright 2014 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 recipe_engine.types import freeze
 
 DEPS = [
   'archive',
   'chromium',
   'pgo',
   'recipe_engine/platform',
   'recipe_engine/properties',
   'recipe_engine/step',
 ]
 
 
 PGO_BUILDERS = freeze({
   'chromium.fyi': {
     'Chromium Win PGO Builder': {
       'recipe_config': 'chromium',
       'chromium_config_instrument': 'chromium_pgo_instrument',
       'chromium_config_optimize': 'chromium_pgo_optimize',
+      'chromium_apply_config': ['msvs2015'],
       'gclient_config': 'chromium',
       'clobber': True,
       # TODO(sebmarchand): This is a hack to get 100% coverage, remove me
       # and fix this.
       'patch_root': 'src',
       'chromium_config_kwargs': {
         'BUILD_CONFIG': 'Release',
         'TARGET_BITS': 32,
       },
       'testing': {
@@ skipping 47 matching lines @@
     return ''.join(c if c.isalnum() else '_' for c in text)
 
   for mastername, builders in PGO_BUILDERS.iteritems():
     for buildername in builders:
       yield (
         api.test('full_%s_%s' % (_sanitize_nonalpha(mastername),
                                  _sanitize_nonalpha(buildername))) +
         api.properties.generic(mastername=mastername, buildername=buildername) +
         api.platform('win', 64)
       )