Create a fresh sync datatype for Synced Notifications

chrome/browser/sync/profile_sync_service.cc

Index: chrome/browser/sync/profile_sync_service.cc
diff --git a/chrome/browser/sync/profile_sync_service.cc b/chrome/browser/sync/profile_sync_service.cc
index 8444f3a4719a247527de446eb7ba224f95c0ab8e..e40339e7cb5b0a291b371eb09c4fa67a3d833e7c 100644
--- a/chrome/browser/sync/profile_sync_service.cc
+++ b/chrome/browser/sync/profile_sync_service.cc
@@ -1288,6 +1288,7 @@ void ProfileSyncService::UpdateSelectedTypesHistogram(
     syncer::PASSWORDS,
     syncer::PREFERENCES,
     syncer::SESSIONS,
+    syncer::SYNCED_NOTIFICATIONS,
     syncer::THEMES,
     syncer::TYPED_URLS
   };
@@ -1301,11 +1302,12 @@ void ProfileSyncService::UpdateSelectedTypesHistogram(
     browser_sync::user_selectable_type::PASSWORDS,
     browser_sync::user_selectable_type::PREFERENCES,
     browser_sync::user_selectable_type::SESSIONS,
+    browser_sync::user_selectable_type::SYNCED_NOTIFICATIONS,
     browser_sync::user_selectable_type::THEMES,
     browser_sync::user_selectable_type::TYPED_URLS
   };
 
-  COMPILE_ASSERT(20 == syncer::MODEL_TYPE_COUNT, UpdateCustomConfigHistogram);
+  COMPILE_ASSERT(21 == syncer::MODEL_TYPE_COUNT, UpdateCustomConfigHistogram);
   COMPILE_ASSERT(arraysize(model_types) ==
                  browser_sync::user_selectable_type::SELECTABLE_DATATYPE_COUNT,
                  UpdateCustomConfigHistogram);