Revert of Implement a site engagement score based on time-on-site.

chrome/chrome_tests.gypi

 # Copyright 2013 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.
 {
   'variables': {
     'chrome_browser_extensions_test_support_sources': [
       # A list of sources which is shared between different browser tests.
       'browser/apps/app_browsertest_util.cc',
       'browser/apps/app_browsertest_util.h',
       'browser/extensions/browsertest_util.cc',
@@ skipping 971 matching lines @@
       'browser/apps/app_browsertest_util.cc',
       'browser/apps/app_browsertest_util.h',
       'browser/apps/app_pointer_lock_interactive_uitest.cc',
       'browser/apps/app_shim/app_shim_interactive_uitest_mac.mm',
       'browser/apps/app_shim/app_shim_quit_interactive_uitest_mac.mm',
       'browser/apps/app_window_interactive_uitest.cc',
       'browser/apps/guest_view/web_view_interactive_browsertest.cc',
       'browser/autofill/autofill_interactive_uitest.cc',
       'browser/autofill/autofill_uitest_util.cc',
       'browser/browser_keyevents_browsertest.cc',
-      'browser/engagement/site_engagement_service_browsertest.cc',
       'browser/extensions/api/extension_action/browser_action_interactive_test.cc',
       'browser/extensions/api/omnibox/omnibox_api_interactive_test.cc',
       'browser/extensions/browsertest_util.cc',
       'browser/extensions/extension_apitest.cc',
       'browser/extensions/extension_browsertest.cc',
       'browser/extensions/extension_commands_global_registry_apitest.cc',
       'browser/extensions/extension_crash_recovery_browsertest.cc',
       'browser/extensions/extension_fullscreen_apitest.cc',
       'browser/extensions/extension_function_test_utils.cc',
       'browser/extensions/extension_keybinding_apitest.cc',
@@ skipping 2360 matching lines @@
             'utility',
           ],
           'sources': [
             'tools/service_discovery_sniffer/service_discovery_sniffer.cc',
             'tools/service_discovery_sniffer/service_discovery_sniffer.h',
           ],
         }]
     }],
   ],  # 'conditions'
 }