sync: preliminary support for deferred SyncBackendHost initialization

chrome/browser/sync/about_sync_util.cc

Index: chrome/browser/sync/about_sync_util.cc
diff --git a/chrome/browser/sync/about_sync_util.cc b/chrome/browser/sync/about_sync_util.cc
index 585a29696e35daf53cc2d15e6edf3d75c7bc106b..f2aca43b2b3ca233b23dc02c742d41c3efd64e71 100644
--- a/chrome/browser/sync/about_sync_util.cc
+++ b/chrome/browser/sync/about_sync_util.cc
@@ -187,8 +187,8 @@ scoped_ptr<DictionaryValue> ConstructAboutInformation(
   StringSyncStat last_synced(section_local, "Last Synced");
   BoolSyncStat is_setup_complete(section_local,
                                  "Sync First-Time Setup Complete");
-  BoolSyncStat is_backend_initialized(section_local,
-                                      "Sync Backend Initialized");
+  StringSyncStat backend_initialization(section_local,
+                                        "Sync Backend Initialization");
   BoolSyncStat is_syncing(section_local, "Syncing");
 
   ListValue* section_network = AddSection(stats_list, "Network");
@@ -297,7 +297,8 @@ scoped_ptr<DictionaryValue> ConstructAboutInformation(
 
   last_synced.SetValue(service->GetLastSyncedTimeString());
   is_setup_complete.SetValue(service->HasSyncSetupCompleted());
-  is_backend_initialized.SetValue(sync_initialized);
+  backend_initialization.SetValue(
+      service->GetBackendInitializationStateString());
   if (is_status_valid) {
     is_syncing.SetValue(full_status.syncing);
     retry_time.SetValue(GetTimeStr(full_status.retry_time,