Add ForceSigninVerifier.

chrome/test/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/chrome_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//chrome/common/features.gni")
@@ skipping 4811 matching lines @@
     sources -= [
       "../browser/ui/bookmarks/bookmark_ui_utils_desktop_unittest.cc",
       "../browser/ui/sync/sync_promo_ui_unittest.cc",
       "../browser/ui/sync/tab_contents_synced_tab_delegate_unittest.cc",
     ]
   }
   if (!is_android && !is_chromeos) {
     sources += [
       "../browser/media/webrtc/native_desktop_media_list_unittest.cc",
       "../browser/metrics/desktop_session_duration/desktop_session_duration_tracker_unittest.cc",
+      "../browser/signin/force_signin_verifier_unittest.cc",
       "../browser/signin/signin_global_error_unittest.cc",
       "../browser/signin/signin_util_unittest.cc",
       "../browser/ui/webui/signin/signin_create_profile_handler_unittest.cc",
       "../browser/ui/webui/signin/sync_confirmation_handler_unittest.cc",
       "../browser/upgrade_detector_impl_unittest.cc",
     ]
   }
   if (toolkit_views) {
     deps += [
       "//components/web_modal:test_support",
@@ skipping 388 matching lines @@
 }
 
 if (is_win) {
   loadable_module("conflicts_dll") {
     testonly = true
     sources = [
       "conflicts/conflicts_dll.cc",
     ]
   }
 }