Add //chrome/browser/ui to "gn check".

chrome/browser/chromeos/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("//media/media_options.gni")
 import("//third_party/protobuf/proto_library.gni")
 
 assert(is_chromeos)
 
 source_set("chromeos") {
   assert(enable_extensions, "ChromeOS Chrome has to be built with extensions")
 
   configs += [ "//build/config/compiler:wexit_time_destructors" ]
 
   public_deps = [
+    ":device_policy_proto",
     "//ash/common/strings",
     "//ash/resources",
     "//chrome:extra_resources",
     "//chrome:resources",
     "//chrome:strings",
     "//chrome/app/resources:platform_locale_settings",
     "//chrome/app/theme:theme_resources",
+    "//chromeos:power_manager_proto",
     "//components/wallpaper",
     "//content/app/resources",
     "//ui/chromeos/resources",
     "//ui/chromeos/strings",
     "//ui/resources",
     "//ui/strings",
   ]
 
   deps = [
     # TODO(tbarzic): Cleanup this list.
     ":attestation_proto",
-    ":device_policy_proto",
     "//ash",
     "//ash:ash_with_content",
     "//ash/autoclick/mus/public/interfaces",
     "//ash/public/interfaces",
     "//ash/public/interfaces",
     "//build/linux:fontconfig",
     "//chrome/browser/devtools",
     "//chrome/browser/extensions",
     "//chrome/browser/safe_browsing:chunk_proto",
     "//chrome/common",
     "//chrome/common/extensions/api",
     "//chrome/common/extensions/api:api_registration",
     "//chrome/common/net",
     "//chrome/common/safe_browsing:proto",
     "//chrome/installer/util:with_no_strings",
     "//chromeos",
     "//chromeos:attestation_proto",
     "//chromeos:cryptohome_proto",
     "//chromeos:cryptohome_signkey_proto",
-    "//chromeos:power_manager_proto",
     "//components/arc",
     "//components/certificate_reporting:cert_logger_proto",
     "//components/certificate_reporting:encrypted_cert_logger_proto",
     "//components/drive",
     "//components/drive:drive_chromeos",
     "//components/feedback",
     "//components/flags_ui",
     "//components/login",
     "//components/onc",
     "//components/ownership",
@@ skipping 1536 matching lines @@
     "policy/proto/chrome_device_policy.proto",
     "policy/proto/install_attributes.proto",
   ]
 }
 
 proto_library("attestation_proto") {
   sources = [
     "attestation/attestation_key_payload.proto",
   ]
 }