Componentize internal class FlagsState in flags_ui component.

components/BUILD.gn

 # 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.
 
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 import("//tools/grit/repack.gni")
 
 if (is_android) {
@@ skipping 16 matching lines @@
     "//components/browser_sync/common",
     "//components/bubble",
     "//components/captive_portal",
     "//components/chrome_apps",
     "//components/component_updater",
     "//components/compression",
     "//components/crx_file",
     "//components/data_reduction_proxy/core/browser",
     "//components/data_reduction_proxy/core/common",
     "//components/device_event_log",
+    "//components/flags_ui",
     "//components/google/core/browser",
     "//components/password_manager/core/browser",
     "//components/password_manager/core/common",
     "//components/password_manager/sync/browser",
     "//components/search",
     "//components/search_engines",
     "//components/sessions",
     "//components/sync_bookmarks",
     "//components/undo",
     "//components/strings",
@@ skipping 273 matching lines @@
   deps = [
     "//base",
     "//base/test:test_support",
     "//components/autofill/core/browser:unit_tests",
     "//components/autofill/core/common:unit_tests",
     "//components/bookmarks/browser:unit_tests",
     "//components/bookmarks/managed:unit_tests",
     "//components/compression:unit_tests",
     "//components/content_settings/core/common",
     "//components/data_usage/core:unit_tests",
+    "//components/flags_ui:unit_tests",
     "//components/google/core/browser:unit_tests",
     "//components/net_log:unit_tests",
     "//components/password_manager/core/browser:unit_tests",
     "//components/password_manager/core/common:unit_tests",
     "//components/password_manager/sync/browser:unit_tests",
     "//components/search:unit_tests",
     "//components/sessions:unit_tests",
     "//components/syncable_prefs:unit_tests",
     "//components/undo:unit_tests",
     "//net",
@@ skipping 348 matching lines @@
   ]
   if (!is_ios) {
     deps += [
       "//base",
       "//base/test:test_support_perf",
       "//content/test:test_support",
       "//components/visitedlink/browser",
     ]
   }
 }