Remove initial_sync_ended bits

sync/syncable/directory_backing_store.h

Index: sync/syncable/directory_backing_store.h
diff --git a/sync/syncable/directory_backing_store.h b/sync/syncable/directory_backing_store.h
index a3e17d87c10cc0633b820615f74e285503d97ecd..380fe950de506c86eb5da8c0ec3a122358e39286 100644
--- a/sync/syncable/directory_backing_store.h
+++ b/sync/syncable/directory_backing_store.h
@@ -83,6 +83,7 @@ class DirectoryBackingStore : public base::NonThreadSafe {
   bool CreateMetasTable(bool is_temporary);
   bool CreateModelsTable();
   bool CreateV71ModelsTable();
+  bool CreateV75ModelsTable();
 
   // We don't need to load any synced and applied deleted entries, we can
   // in fact just purge them forever on startup.
@@ -158,6 +159,7 @@ class DirectoryBackingStore : public base::NonThreadSafe {
   bool MigrateVersion80To81();
   bool MigrateVersion81To82();
   bool MigrateVersion82To83();
+  bool MigrateVersion83To84();
 
   scoped_ptr<sql::Connection> db_;
   sql::Statement save_entry_statement_;