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")
 
 # Collection of all components. You wouldn't link to this, but this is rather
@@ skipping 10 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/infobars/core",
+    "//components/leveldb_proto",
+    "//components/omnibox/browser",
+    "//components/pref_registry",
     "//components/search",
     "//components/search_engines",
     "//components/sessions",
+    "//components/strings",
     "//components/sync_bookmarks",
     "//components/undo",
-    "//components/strings",
-    "//components/leveldb_proto",
-    "//components/pref_registry",
-    "//components/omnibox/browser",
-    "//components/infobars/core",
     "//components/version_ui",
   ]
 
   if (!is_ios) {
     deps += [
       "//components/dom_distiller/core",
       "//components/enhanced_bookmarks",
       "//components/certificate_reporting",
       "//components/cdm/browser",
       "//components/about_handler",
@@ skipping 255 matching lines @@
 
   deps = [
     "//base",
     "//base/test:test_support",
     "//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/data_use_measurement/content:unit_tests",
+    "//components/flags_ui:unit_tests",
     "//components/google/core/browser:unit_tests",
+    "//components/leveldb_proto:unit_tests",
     "//components/net_log:unit_tests",
+    "//components/omnibox/browser:unit_tests",
     "//components/search:unit_tests",
+    "//components/search_engines:unit_tests",
     "//components/sessions:unit_tests",
+    "//components/suggestions:unit_tests",
     "//components/syncable_prefs:unit_tests",
     "//components/undo:unit_tests",
+    "//components/undo:unit_tests",
     "//net",
     "//ui/base",
     "//ui/resources:ui_test_pak",
-    "//components/search_engines:unit_tests",
-    "//components/undo:unit_tests",
-    "//components/leveldb_proto:unit_tests",
-    "//components/suggestions:unit_tests",
-    "//components/omnibox/browser:unit_tests",
   ]
 
   if (!is_ios) {
     deps += [
       "//components/certificate_transparency:unit_tests",
       "//components/enhanced_bookmarks:unit_tests",
       "//components/error_page/renderer:unit_tests",
       "//components/guest_view/browser:unit_tests",
       "//components/navigation_interception:unit_tests",
       "//components/network_hints/renderer:unit_tests",
@@ skipping 286 matching lines @@
   ]
   if (!is_ios) {
     deps += [
       "//base",
       "//base/test:test_support_perf",
       "//content/test:test_support",
       "//components/visitedlink/browser",
     ]
   }
 }