Adding components to dependencies on iOS.

components/signin/core/browser/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.
 
 source_set("browser") {
   sources = [
     "about_signin_internals.cc",
     "about_signin_internals.h",
     "account_fetcher_service.cc",
     "account_fetcher_service.h",
@@ skipping 51 matching lines @@
 
   configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
 
   deps = [
     "//base",
     "//crypto",
     "//google_apis",
     "//net",
     "//sql",
     "//third_party/icu",
+    "//components/signin/core/common",
     "//components/content_settings/core/browser",
     "//components/content_settings/core/common",
     "//components/google/core/browser",
     "//components/invalidation/public",
     "//components/keyed_service/core",
     "//components/os_crypt",
     "//components/webdata/common",
   ]
 
   if (is_chromeos) {
@@ skipping 38 matching lines @@
     "refresh_token_annotation_request_unittest.cc",
     "signin_error_controller_unittest.cc",
     "webdata/token_service_table_unittest.cc",
   ]
 
   deps = [
     ":test_support",
     "//testing/gmock",
   ]
 }