Revert of Fix swarming of browser_tests and sync_integration_tests on debug windows.

chrome/browser_tests.isolate

 # 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.
 {
   'includes': [
     'chrome.isolate',
   ],
   'conditions': [
     ['OS=="linux"', {
       'variables': {
@@ skipping 167 matching lines @@
           '../chromeos/test/data/',
           '../ui/file_manager/file_manager/',
           '../ui/webui/resources/js/',
           '<(PRODUCT_DIR)/chromevox_test_data/',
           '<(PRODUCT_DIR)/locales/',
           '<(PRODUCT_DIR)/resources/chromeos/',
         ],
       },
     }],
   ],
-  'includes': [
-    '../base/base.isolate',
-  ],
 }