Enable variations component unit tests on iOS.

components/components_tests.gyp

 # 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': {
     # This turns on e.g. the filename-based detection of which
     # platforms to include source files on (e.g. files ending in
     # _mac.h or _mac.cc are only compiled on MacOSX).
     'chromium_code': 1,
@@ skipping 97 matching lines @@
             'translate/core/browser/translate_prefs_unittest.cc',
             'translate/core/browser/translate_script_unittest.cc',
             'translate/core/common/translate_metrics_unittest.cc',
             'translate/core/common/translate_util_unittest.cc',
             'translate/language_detection/language_detection_util_unittest.cc',
             'url_matcher/regex_set_matcher_unittest.cc',
             'url_matcher/string_pattern_unittest.cc',
             'url_matcher/substring_set_matcher_unittest.cc',
             'url_matcher/url_matcher_factory_unittest.cc',
             'url_matcher/url_matcher_unittest.cc',
-            # TODO(asvitkine): These should be tested on iOS too.
             'variations/entropy_provider_unittest.cc',
             'variations/metrics_util_unittest.cc',
             'variations/variations_associated_data_unittest.cc',
             'variations/variations_seed_processor_unittest.cc',
             'variations/variations_seed_simulator_unittest.cc',
             'visitedlink/test/visitedlink_unittest.cc',
             'encryptor/keychain_password_mac_unittest.mm',
             'encryptor/ie7_password_unittest_win.cc',
             'encryptor/os_crypt_unittest.cc',
             'web_modal/web_contents_modal_dialog_manager_unittest.cc',
@@ skipping 111 matching lines @@
                 # Dependencies of web_modal
                 'components.gyp:web_modal',
                 'components.gyp:web_modal_test_support',
               ],
             }, { # 'OS == "ios"'
               'includes': ['../chrome/chrome_ios_bundle_resources.gypi'],
               'sources/': [
                 ['exclude', '\\.cc$'],
                 ['exclude', '\\.mm$'],
                 ['include', '^test/run_all_unittests\\.cc$'],
-                # TODO(asvitkine): Bring up variations/ unittests on iOS.
                 ['include', '^auto_login_parser/'],
                 ['include', '^autofill/'],
                 ['include', '^dom_distiller/'],
                 ['include', '^json_schema/'],
                 ['include', '^language_usage_metrics/'],
                 ['include', '^password_manager/'],
                 ['include', '^precache/core/'],
                 ['include', '^signin/'],
                 ['include', '^sync_driver/'],
                 ['include', '^translate/'],
+                ['include', '^variations/'],
               ],
               'actions': [
                 {
                   'action_name': 'copy_test_data',
                   'variables': {
                     'test_data_files': [
                       'test/data',
                     ],
                     'test_data_prefix': 'components',
                   },
@@ skipping 289 matching lines @@
               'dependencies': [
                 '../base/allocator/allocator.gyp:allocator',
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }