Inject CanAddURLToHistory into TopSitesImpl

chrome/chrome_installer.gypi

 # 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.
 
 {
   'variables': {
     'lastchange_path': '../build/util/LASTCHANGE',
     'libpeer_target_type%': 'static_library',
     'branding_dir': 'app/theme/<(branding_path_component)',
     'branding_dir_100': 'app/theme/default_100_percent/<(branding_path_component)',
@@ skipping 167 matching lines @@
               'message': 'Generating installer_util_strings',
             },
           ],
           'direct_dependent_settings': {
             'include_dirs': [
               '<(SHARED_INTERMEDIATE_DIR)/installer_util_strings',
             ],
           },
         },
         {
+          # GN version: //chrome/installer/launcher_support
           'target_name': 'launcher_support',
           'type': 'static_library',
           'include_dirs': [
             '..',
           ],
           'direct_dependent_settings': {
             'include_dirs': [
               '..',
             ],
           },
@@ skipping 862 matching lines @@
             '..',
           ],
           'sources': [
             'installer/gcapi_mac/gcapi_example_client.mm',
           ],
         },
       ],  # targets
     }],  # OS=="mac"
   ],
 }