sync: Track validity of about:sync fields

chrome/chrome_tests.gypi

Index: chrome/chrome_tests.gypi
diff --git a/chrome/chrome_tests.gypi b/chrome/chrome_tests.gypi
index 9f9eee20f650c0526e373470165648e17677ea2b..ddbfa36cbb50df3b43921d469afe9aa5551bcab5 100644
--- a/chrome/chrome_tests.gypi
+++ b/chrome/chrome_tests.gypi
@@ -1548,6 +1548,7 @@
         'browser/spellchecker/spelling_service_client_unittest.cc',
         'browser/status_icons/status_icon_unittest.cc',
         'browser/status_icons/status_tray_unittest.cc',
+        'browser/sync/about_sync_util_unittest.cc',
         'browser/sync/abstract_profile_sync_service_test.cc',
         'browser/sync/abstract_profile_sync_service_test.h',
         'browser/sync/backend_migrator_unittest.cc',
@@ -1615,10 +1616,10 @@
         'browser/sync/sync_prefs_unittest.cc',
         'browser/sync/sync_ui_util_mac_unittest.mm',
         'browser/sync/sync_ui_util_unittest.cc',
-        'browser/sync/test_profile_sync_service.cc',
-        'browser/sync/test_profile_sync_service.h',
         'browser/sync/test/test_http_bridge_factory.cc',
         'browser/sync/test/test_http_bridge_factory.h',
+        'browser/sync/test_profile_sync_service.cc',
+        'browser/sync/test_profile_sync_service.h',
         'browser/tab_contents/render_view_context_menu_unittest.cc',
         'browser/tab_contents/thumbnail_generator_unittest.cc',
         'browser/task_manager/task_manager_unittest.cc',