Componentize VariationsSeedStore and its unittest

components/metrics.gypi

 # Copyright 2014 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.
 
 {
   'targets': [
     {
       # GN version: //components/metrics
       'target_name': 'metrics',
       'type': 'static_library',
       'include_dirs': [
         '..',
       ],
       'dependencies': [
         '../base/base.gyp:base',
         '../base/base.gyp:base_i18n',
         '../base/base.gyp:base_prefs',
+        '../crypto/crypto.gyp:crypto',
         '../third_party/zlib/zlib.gyp:zlib',
         'component_metrics_proto',
         'variations',
       ],
       'export_dependent_settings': [
         'component_metrics_proto',
       ],
       'sources': [
         'metrics/call_stack_profile_metrics_provider.cc',
         'metrics/call_stack_profile_metrics_provider.h',
@@ skipping 40 matching lines @@
         'metrics/metrics_service_client.cc',
         'metrics/metrics_service_client.h',
         'metrics/metrics_state_manager.cc',
         'metrics/metrics_state_manager.h',
         'metrics/metrics_switches.cc',
         'metrics/metrics_switches.h',
         'metrics/persisted_logs.cc',
         'metrics/persisted_logs.h',
         'metrics/url_constants.cc',
         'metrics/url_constants.h',
+        'metrics/variations_seed_store.cc',
+        'metrics/variations_seed_store.h',
       ],
       'conditions': [
         ['chromeos==1', {
           'dependencies': [
             'metrics_serialization',
           ],
         }],
         ['OS=="win"', {
           'sources!': [
             'metrics/machine_id_provider_stub.cc',
@@ skipping 134 matching lines @@
             'metrics/serialization/serialization_utils.h',
           ],
           'dependencies': [
             '../base/base.gyp:base',
           ],
         },
       ],
     }],
   ],
 }