Componentize OriginsSeenService & provide iOS factory.

ios/chrome/ios_chrome.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [
     {
@@ skipping 62 matching lines @@
         '../../components/components.gyp:keyed_service_core',
         '../../components/components.gyp:keyed_service_ios',
         '../../components/components.gyp:language_usage_metrics',
         '../../components/components.gyp:leveldb_proto',
         '../../components/components.gyp:metrics',
         '../../components/components.gyp:metrics_net',
         '../../components/components.gyp:metrics_profiler',
         '../../components/components.gyp:metrics_profiler_ios',
         '../../components/components.gyp:metrics_services_manager',
         '../../components/components.gyp:metrics_ui',
+        '../../components/components.gyp:navigation_metrics',
         '../../components/components.gyp:net_log',
         '../../components/components.gyp:network_time',
         '../../components/components.gyp:ntp_snippets',
         '../../components/components.gyp:omnibox_browser',
         '../../components/components.gyp:open_from_clipboard',
         '../../components/components.gyp:password_manager_core_browser',
         '../../components/components.gyp:password_manager_sync_browser',
         '../../components/components.gyp:pref_registry',
         '../../components/components.gyp:profile_metrics',
         '../../components/components.gyp:proxy_config',
@@ skipping 267 matching lines @@
         'browser/memory/memory_metrics.cc',
         'browser/memory/memory_metrics.h',
         'browser/metrics/field_trial_synchronizer.cc',
         'browser/metrics/field_trial_synchronizer.h',
         'browser/metrics/ios_chrome_metrics_service_accessor.cc',
         'browser/metrics/ios_chrome_metrics_service_accessor.h',
         'browser/metrics/ios_chrome_metrics_service_client.cc',
         'browser/metrics/ios_chrome_metrics_service_client.h',
         'browser/metrics/ios_chrome_metrics_services_manager_client.h',
         'browser/metrics/ios_chrome_metrics_services_manager_client.mm',
+        'browser/metrics/ios_chrome_origins_seen_service_factory.cc',
+        'browser/metrics/ios_chrome_origins_seen_service_factory.h',
         'browser/metrics/ios_chrome_stability_metrics_provider.cc',
         'browser/metrics/ios_chrome_stability_metrics_provider.h',
         'browser/metrics/mobile_session_shutdown_metrics_provider.h',
         'browser/metrics/mobile_session_shutdown_metrics_provider.mm',
         'browser/metrics/previous_session_info.h',
         'browser/metrics/previous_session_info.mm',
         'browser/net/chrome_cookie_store_ios_client.h',
         'browser/net/chrome_cookie_store_ios_client.mm',
         'browser/net/connection_type_observer_bridge.h',
         'browser/net/connection_type_observer_bridge.mm',
@@ skipping 482 matching lines @@
             '../../components/components.gyp:omnibox_browser',
             '../../components/components.gyp:rlz',
             '../../components/components.gyp:search_engines',
             '../../rlz/rlz.gyp:rlz_lib',
           ],
         },
       ],
     }],
   ],
 }