Restored an option to enable enhanced bookmarks experiment from Finch

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 a0931ec9a8f05a8bdb37c2fb07f68b8086e12345..0e9afee062f3315a619f6e8767849291ae6b56fe 100644
--- a/chrome/browser/sync/profile_sync_service.cc
+++ b/chrome/browser/sync/profile_sync_service.cc
@@ -1065,8 +1065,8 @@ void ProfileSyncService::OnExperimentsChanged(
           sync_driver::prefs::kEnhancedBookmarksExperimentEnabled));
   // If bookmark experiment state was changed update about flags experiment.
   if (bookmarks_experiment_state_before != bookmarks_experiment_state) {
-    UpdateBookmarksExperiment(g_browser_process->local_state(),
-                              bookmarks_experiment_state);
+    ForceFinchBookmarkExperimentIfNeeded(g_browser_process->local_state(),
+                                         bookmarks_experiment_state);
   }
 
   // If this is a first time sync for a client, this will be called before