tryserver.chromium.linux: convert chromium_trybot builders to remote_run

scripts/slave/recipe_modules/chromium_tests/chromium_linux.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
 
 SPEC = {
   'settings': {
     'build_gs_bucket': 'chromium-linux-archive',
     # WARNING: src-side runtest.py is only tested with chromium CQ builders.
@@ skipping 17 matching lines @@
       },
       'bot_type': 'builder',
       'compile_targets': [
         'chromium_swarm_tests',
       ],
       'testing': {
         'platform': 'linux',
       },
       'use_isolate': True,
       'enable_swarming': True,
+      'checkout_dir': 'linux',
     },
     'Linux Tests': {
       'chromium_config': 'chromium',
       'chromium_apply_config': ['mb', 'ninja_confirm_noop'],
       'gclient_config': 'chromium',
       'chromium_config_kwargs': {
         'BUILD_CONFIG': 'Release',
         'TARGET_BITS': 64,
       },
       'bot_type': 'tester',
@@ skipping 19 matching lines @@
       'bot_type': 'builder',
       'compile_targets': [
         'google_apis_unittests',
         'sync_integration_tests',
       ],
       'testing': {
         'platform': 'linux',
       },
       'use_isolate': True,
       'enable_swarming': True,
+      'checkout_dir': 'linux',
       # Temporary hack because the binaries are too large to be isolated.
       'GYP_DEFINES': {
         'fastbuild': 2,
       },
     },
     'Linux Tests (dbg)(1)(32)': {
       'chromium_config': 'chromium',
       'chromium_apply_config': ['mb', 'ninja_confirm_noop'],
       'gclient_config': 'chromium',
       'chromium_config_kwargs': {
@@ skipping 20 matching lines @@
       'chromium_config_kwargs': {
         'BUILD_CONFIG': 'Debug',
         'TARGET_BITS': 64,
       },
       'bot_type': 'builder',
       'testing': {
         'platform': 'linux',
       },
       'enable_swarming': True,
       'use_isolate': True,
+      'checkout_dir': 'linux',
     },
     'Linux Tests (dbg)(1)': {
       'chromium_config': 'chromium',
       'chromium_apply_config': ['mb', 'ninja_confirm_noop'],
       'gclient_config': 'chromium',
       'chromium_config_kwargs': {
         'BUILD_CONFIG': 'Debug',
         'TARGET_BITS': 64,
       },
       'bot_type': 'tester',
@@ skipping 186 matching lines @@
         'TARGET_BITS': 32,
         'TARGET_PLATFORM': 'android',
       },
       'android_config': 'cast_builder',
       'testing': {
         'platform': 'linux',
       },
     },
   },
 }