Componentize more signin code

chrome/chrome_tests_unit.gypi

Index: chrome/chrome_tests_unit.gypi
diff --git a/chrome/chrome_tests_unit.gypi b/chrome/chrome_tests_unit.gypi
index 6c9a96f1747e0b3aac290c21cad9ec89952dcfce..93f26fde2ffc10dc8645b6e8853a5eb9c277d2c4 100644
--- a/chrome/chrome_tests_unit.gypi
+++ b/chrome/chrome_tests_unit.gypi
@@ -203,12 +203,12 @@
       'browser/process_singleton_win_unittest.cc',
       'browser/profiles/file_path_verifier_win_unittest.cc',
       'browser/profiles/gaia_info_update_service_unittest.cc',
+      'browser/profiles/profile_attributes_storage_unittest.cc',
       'browser/profiles/profile_avatar_icon_util_unittest.cc',
       'browser/profiles/profile_downloader_unittest.cc',
       'browser/profiles/profile_info_cache_unittest.cc',
       'browser/profiles/profile_info_cache_unittest.h',
       'browser/profiles/profile_manager_unittest.cc',
-      'browser/profiles/profile_attributes_storage_unittest.cc',
       'browser/profiles/profile_shortcut_manager_unittest_win.cc',
       'browser/push_messaging/push_messaging_app_identifier_unittest.cc',
       'browser/push_messaging/push_messaging_permission_context_unittest.cc',
@@ -1150,6 +1150,8 @@
       'browser/chromeos/drive/download_handler_unittest.cc',
       'browser/chromeos/drive/drive_file_stream_reader_unittest.cc',
       'browser/chromeos/drive/drive_integration_service_unittest.cc',
+      'browser/chromeos/drive/drive_test_util.cc',
+      'browser/chromeos/drive/drive_test_util.h',
       'browser/chromeos/drive/dummy_file_system.cc',
       'browser/chromeos/drive/dummy_file_system.h',
       'browser/chromeos/drive/fake_file_system.cc',
@@ -1192,8 +1194,6 @@
       'browser/chromeos/drive/sync/entry_update_performer_unittest.cc',
       'browser/chromeos/drive/sync/remove_performer_unittest.cc',
       'browser/chromeos/drive/sync_client_unittest.cc',
-      'browser/chromeos/drive/drive_test_util.cc',
-      'browser/chromeos/drive/drive_test_util.h',
       'browser/chromeos/drive/write_on_cache_file_unittest.cc',
       'browser/chromeos/events/event_rewriter_unittest.cc',
       'browser/chromeos/events/keyboard_driven_event_rewriter_unittest.cc',
@@ -1545,8 +1545,8 @@
       'browser/ui/content_settings/content_setting_bubble_model_unittest.cc',
       'browser/ui/content_settings/content_setting_image_model_unittest.cc',
       'browser/ui/elide_url_unittest.cc',  # URL elider not used on Android.
-      'browser/ui/extensions/extension_action_view_controller_unittest.cc',
       'browser/ui/exclusive_access/fullscreen_controller_state_unittest.cc',
+      'browser/ui/extensions/extension_action_view_controller_unittest.cc',
       'browser/ui/omnibox/omnibox_controller_unittest.cc',
       'browser/ui/omnibox/omnibox_edit_unittest.cc',
       'browser/ui/omnibox/omnibox_popup_model_unittest.cc',
@@ -1762,8 +1762,6 @@
         'browser/signin/fake_account_fetcher_service.h',
         'browser/signin/fake_gaia_cookie_manager_service.cc',
         'browser/signin/fake_gaia_cookie_manager_service.h',
-        'browser/signin/fake_profile_oauth2_token_service.cc',
-        'browser/signin/fake_profile_oauth2_token_service.h',
         'browser/signin/fake_profile_oauth2_token_service_builder.cc',
         'browser/signin/fake_profile_oauth2_token_service_builder.h',
         'browser/signin/fake_signin_manager.cc',