SafeBrowsing: Move enabled_ to base class DB Manager

components/safe_browsing_db/v4_local_database_manager.cc

Index: components/safe_browsing_db/v4_local_database_manager.cc
diff --git a/components/safe_browsing_db/v4_local_database_manager.cc b/components/safe_browsing_db/v4_local_database_manager.cc
index ffef84ef0258cb080a409c3a88921a642e87d6c6..42e8f6319c4da539f359dec68b78f6dad621de24 100644
--- a/components/safe_browsing_db/v4_local_database_manager.cc
+++ b/components/safe_browsing_db/v4_local_database_manager.cc
@@ -138,7 +138,6 @@ scoped_refptr<V4LocalDatabaseManager> V4LocalDatabaseManager::Create(
 
 V4LocalDatabaseManager::V4LocalDatabaseManager(const base::FilePath& base_path)
     : base_path_(base_path),
-      enabled_(false),
       list_infos_(GetListInfos()),
       weak_factory_(this) {
   DCHECK(!base_path_.empty());
@@ -368,15 +367,11 @@ void V4LocalDatabaseManager::StartOnIOThread(
 
   SetupUpdateProtocolManager(request_context_getter, config);
   SetupDatabase();
-
-  enabled_ = true;
 }
 
 void V4LocalDatabaseManager::StopOnIOThread(bool shutdown) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
-  enabled_ = false;
-
   pending_checks_.clear();
 
   RespondSafeToQueuedChecks();