Add more components to "gn check"

components/ownership/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/crypto.gni")
 import("//build/config/features.gni")
 
 if (is_chromeos) {
   component("ownership") {
     sources = [
@@ skipping 31 matching lines @@
   source_set("unit_tests") {
     testonly = true
     sources = [
       "owner_key_util_impl_unittest.cc",
     ]
 
     configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
 
     deps = [
       ":ownership",
+      "//base",
       "//testing/gtest",
     ]
   }
 }