browser_test: Add a browser_tests_runner target for running tests.

chrome/browser/resources/chromeos/chromevox/chromevox_tests.gypi

 # 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.
 
 {
   'includes': [
     '../../../../js_unittest_vars.gypi',
   ],
   'variables': {
     'chromevox_test_deps_js_file': '<(SHARED_INTERMEDIATE_DIR)/chrome/browser/resources/chromeos/chromevox/test_deps.js',
     'chromevox_test_messages_js_file': '<(PRODUCT_DIR)/test_data/chrome/browser/resources/chromeos/chromevox/host/testing/test_messages.js',
     'chromevox_tests_sources': [
       '../../../../browser/extensions/browsertest_util.cc',
       '../../../../browser/extensions/browsertest_util.h',
       '../../../../browser/ui/webui/web_ui_test_handler.cc',
       '../../../../browser/ui/webui/web_ui_test_handler.h',
-      '../../../../test/base/browser_tests_main.cc',
       '../../../../test/base/extension_js_browser_test.cc',
       '../../../../test/base/extension_js_browser_test.h',
       '../../../../test/base/extension_load_waiter_one_shot.cc',
       '../../../../test/base/extension_load_waiter_one_shot.h',
       '../../../../test/base/javascript_browser_test.cc',
       '../../../../test/base/javascript_browser_test.h',
       '../../../../test/base/test_chrome_web_ui_controller_factory.cc',
       '../../../../test/base/test_chrome_web_ui_controller_factory.h',
       '../../../../test/base/web_ui_browser_test.cc',
       '../../../../test/base/web_ui_browser_test.h',
@@ skipping 255 matching lines @@
             '<@(js_files)',
           ],
         },
       ],
       'dependencies': [
         'chromevox_test_messages_js',
       ],
     },  # target chromevox_test_deps_js
   ],
 }