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 4b604abb55e44aa42c0dd1d57378cd5d6a42d9a4..81707331586edaa9bbf3967d3efff5c4200b1e4b 100644
--- a/sync/syncable/directory_backing_store.h
+++ b/sync/syncable/directory_backing_store.h
@@ -84,6 +84,7 @@ 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.
@@ -160,6 +161,7 @@ class DirectoryBackingStore : public base::NonThreadSafe {
   bool MigrateVersion81To82();
   bool MigrateVersion82To83();
   bool MigrateVersion83To84();
+  bool MigrateVersion84To85();
 
   scoped_ptr<sql::Connection> db_;
   sql::Statement save_entry_statement_;