Remove experimental code to pick the "warmest" socket

chrome/chrome_tests_unit.gypi

 # Copyright 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.
 {
   'targets': [
     {
       # This target contains mocks and test utilities that don't belong in
       # production libraries but are used by more than one test executable.
       'target_name': 'test_support_common',
       'type': 'static_library',
@@ skipping 503 matching lines @@
         'browser/browsing_data/browsing_data_remover_unittest.cc',
         'browser/browsing_data/browsing_data_server_bound_cert_helper_unittest.cc',
         'browser/browsing_data/cookies_tree_model_unittest.cc',
         'browser/captive_portal/captive_portal_detector_unittest.cc',
         'browser/captive_portal/captive_portal_service_unittest.cc',
         'browser/captive_portal/captive_portal_tab_helper_unittest.cc',
         'browser/captive_portal/captive_portal_tab_reloader_unittest.cc',
         'browser/captive_portal/testing_utils.cc',
         'browser/captive_portal/testing_utils.h',
         'browser/chrome_browser_application_mac_unittest.mm',
-        'browser/chrome_browser_main_unittest.cc',
         'browser/chrome_page_zoom_unittest.cc',
         'browser/chromeos/accessibility/magnification_manager_unittest.cc',
         'browser/chromeos/contacts/contact_database_unittest.cc',
         'browser/chromeos/contacts/contact_manager_stub.cc',
         'browser/chromeos/contacts/contact_manager_stub.h',
         'browser/chromeos/contacts/contact_manager_unittest.cc',
         'browser/chromeos/contacts/contact_map_unittest.cc',
         'browser/chromeos/contacts/fake_contact_database.cc',
         'browser/chromeos/contacts/fake_contact_database.h',
         'browser/chromeos/contacts/fake_contact_store.cc',
@@ skipping 1887 matching lines @@
               # more details.
               'DebugInformationFormat': '3',
               'ProgramDataBaseFileName': '<(PRODUCT_DIR)/unit_tests.exe.pdb',
             },
           },
         },
       ],
     }],
   ],  # 'conditions'
 }