tryserver.chromium.linux: convert chromium_trybot builders to remote_run

scripts/slave/recipe_modules/chromium_tests/chromium_fyi.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 . import steps
 
 RESULTS_URL = 'https://chromeperf.appspot.com'
 
 
 KITCHEN_TEST_SPEC = {
@@ skipping 510 matching lines @@
           'src/third_party/WebKit/LayoutTests/FlagExpectations/site-per-process',
           '--options',
           'http/tests',
         ]),
       ],
       'test_generators': [
         steps.generate_gtest,
         steps.generate_script,
         steps.generate_isolated_script,
       ],
+      'checkout_dir': 'linux',
       'testing': {
         'platform': 'linux',
       },
     },
     'Site Isolation Win': {
       'chromium_config': 'chromium',
       'chromium_apply_config': ['mb'],
       'gclient_config': 'chromium',
       'chromium_config_kwargs': {
         'BUILD_CONFIG': 'Release',
@@ skipping 1693 matching lines @@
         steps.generate_gtest,
         steps.generate_script,
         steps.generate_isolated_script,
       ],
       'testing': { 'platform': 'win', },
       'use_isolate': True,
       'enable_swarming': True,
     },
   },
 }