ChromeOS: Per-user time zone: refactor tests first.

chrome/browser/chromeos/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/features.gni")
 import("//build/config/ui.gni")
 import("//extensions/features/features.gni")
 import("//media/media_options.gni")
 import("//printing/features/features.gni")
 import("//third_party/protobuf/proto_library.gni")
@@ skipping 1519 matching lines @@
     "login/screens/mock_base_screen_delegate.cc",
     "login/screens/mock_base_screen_delegate.h",
     "login/screens/mock_error_screen.cc",
     "login/screens/mock_error_screen.h",
     "login/screens/mock_model_view_channel.cc",
     "login/screens/mock_model_view_channel.h",
     "login/screens/mock_network_screen.cc",
     "login/screens/mock_network_screen.h",
     "login/screens/mock_update_screen.cc",
     "login/screens/mock_update_screen.h",
+    "scoped_set_running_on_chromeos_for_testing.cc",
+    "scoped_set_running_on_chromeos_for_testing.h",
   ]
 
   deps = [
     ":chromeos",
     "//chromeos",
     "//components/policy/proto",
     "//crypto:platform",
     "//skia",
     "//testing/gmock",
   ]
@@ skipping 282 matching lines @@
 
   public_deps = [
     ":chromeos",
   ]
   deps = [
     ":arc_test_support",
     ":attestation_proto",
     ":device_policy_proto",
     ":test_support",
     "//ash/resources",
+    "//base",
     "//components/cryptauth:test_support",
     "//components/drive",
     "//components/drive:test_support_chromeos",
     "//components/invalidation/public",
     "//components/policy:generated",
     "//components/resources",
     "//components/sync",
     "//components/variations:test_support",
     "//crypto:platform",
     "//dbus",
@@ skipping 16 matching lines @@
     "policy/proto/chrome_device_policy.proto",
     "policy/proto/install_attributes.proto",
   ]
 }
 
 proto_library("attestation_proto") {
   sources = [
     "attestation/attestation_key_payload.proto",
   ]
 }