Use GN buildflags and features to configure account consistency

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 3700 matching lines @@
       "../utility/importer/firefox_importer_unittest_utils_mac.cc",
       "../utility/importer/safari_importer_unittest.mm",
 
       # In-browser discovery is not used by Android for now.
       "../browser/media/router/discovery/discovery_network_list_unittest.cc",
       "../browser/media/router/discovery/discovery_network_monitor_unittest.cc",
     ]
     sources -=
         [ "../browser/download/download_request_infobar_delegate_unittest.cc" ]
     deps += [
+      "//components/signin/core/common:signin_features",
       "//ipc",
       "//third_party/libaddressinput",
     ]
   }
 
   if (!is_android) {
     sources += [
       "../browser/devtools/devtools_file_watcher_unittest.cc",
       "../browser/devtools/devtools_ui_bindings_unittest.cc",
       "../browser/devtools/serialize_host_descriptions_unittest.cc",
@@ skipping 1438 matching lines @@
 }
 
 if (is_win) {
   loadable_module("conflicts_dll") {
     testonly = true
     sources = [
       "conflicts/conflicts_dll.cc",
     ]
   }
 }