Disconnect one click sign in code. The code itself will be removed in followup

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/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/module_args/v8.gni")
 import("//testing/test.gni")
 
@@ skipping 759 matching lines @@
                              ".",
                              "//chrome")
       sources -= [
         "../../apps/load_and_launch_browsertest.cc",
         "../browser/printing/cloud_print/test/cloud_print_policy_browsertest.cc",
         "../browser/printing/cloud_print/test/cloud_print_proxy_process_browsertest.cc",
 
         # chromeos does not support profile list avatar menu
         "../browser/profiles/profile_list_desktop_browsertest.cc",
         "../browser/service_process/service_process_control_browsertest.cc",
-        "../browser/signin/signin_browsertest.cc",
 
         # chromeos does not use cross-platform panels
         "../browser/ui/panels/panel_extension_browsertest.cc",
 
         # chromeos does not use the desktop user manager
         "../browser/ui/webui/signin/user_manager_ui_browsertest.cc",
       ]
       deps += [
         "//dbus",
         "//dbus:test_support",
@@ skipping 879 matching lines @@
     }
     if (use_ozone) {
       # crbug.com/354036
       sources -= [ "browser/chromeos/events/event_rewriter_unittest.cc" ]
     }
     if (!enable_plugin_installation) {
       sources -= [ "../browser/plugins/plugin_installer_unittest.cc" ]
     }
   }
 }