Create variations target that depends on base.

components/components_tests.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.
 
 {
   'conditions': [
     ['OS != "ios"', {
       'targets': [
         {
           'target_name': 'components_unittests',
           'type': '<(gtest_target_type)',
           'sources': [
             'auto_login_parser/auto_login_parser_unittest.cc',
             'browser_context_keyed_service/browser_context_dependency_manager_unittest.cc',
             'browser_context_keyed_service/dependency_graph_unittest.cc',
             'json_schema/json_schema_validator_unittest.cc',
             'json_schema/json_schema_validator_unittest_base.cc',
             'json_schema/json_schema_validator_unittest_base.h',
             'navigation_interception/intercept_navigation_resource_throttle_unittest.cc',
             'sessions/serialized_navigation_entry_unittest.cc',
             'test/run_all_unittests.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',
             'visitedlink/test/visitedlink_unittest.cc',
             'webdata/encryptor/encryptor_password_mac_unittest.cc',
             'webdata/encryptor/encryptor_unittest.cc',
             'web_modal/web_contents_modal_dialog_manager_unittest.cc',
           ],
           'include_dirs': [
             '..',
           ],
           'dependencies': [
             '../base/base.gyp:test_support_base',
@@ skipping 18 matching lines @@
             'navigation_interception',
 
             # Dependencies of policy
             'policy_component',
 
             # Dependencies of sessions
             '../third_party/protobuf/protobuf.gyp:protobuf_lite',
             'sessions',
             'sessions_test_support',
 
+            # Dependencies of variations
+            'variations',
+
             # Dependencies of visitedlink
             'visitedlink_browser',
             'visitedlink_renderer',
             '../content/content_resources.gyp:content_resources',
 
             'web_modal',
           ],
           'conditions': [
             ['OS == "android"', {
               'sources!': [
@@ skipping 77 matching lines @@
                 'input_shlib_path': '<(SHARED_LIB_DIR)/<(SHARED_LIB_PREFIX)components_unittests<(SHARED_LIB_SUFFIX)',
               },
               'includes': [ '../build/apk_test.gypi' ],
             },
           ],
         }],
       ],
     }],
   ],
 }