Use UIThreadSearchTermsData to get the Google base URL.

chrome/chrome_browser.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.
 
 {
   'variables': {
     # All .cc, .h, .m, and .mm files under browser except for:
     # * tests and mocks.
     # * code below browser/chromeos
     # * code below browser/extensions
@@ skipping 1458 matching lines @@
        'browser/password_manager/native_backend_libsecret.cc',
        'browser/password_manager/native_backend_libsecret.h',
     ], 
     'chrome_browser_google_sources': [
       'browser/google/chrome_google_url_tracker_client.cc',
       'browser/google/chrome_google_url_tracker_client.h',
       'browser/google/google_brand.cc',
       'browser/google/google_brand.h',
       'browser/google/google_brand_chromeos.cc',
       'browser/google/google_brand_chromeos.h',
-      'browser/google/google_profile_helper.cc',
-      'browser/google/google_profile_helper.h',
       'browser/google/google_search_counter.cc',
       'browser/google/google_search_counter.h',
       'browser/google/google_search_counter_android.cc',
       'browser/google/google_search_counter_android.h',
       'browser/google/google_update_settings_posix.cc',
       'browser/google/google_update_win.cc',
       'browser/google/google_update_win.h',
       'browser/google/google_url_tracker_factory.cc',
       'browser/google/google_url_tracker_factory.h',
     ],
@@ skipping 2203 matching lines @@
           'variables': {
             'proto_in_dir': 'browser/sync_file_system/drive_backend',
             'proto_out_dir': 'chrome/browser/sync_file_system/drive_backend',
           },
           'includes': [ '../build/protoc.gypi' ]
         },
       ],
     },],
   ],
 }