[Sync] Remove UIDataTypeController

chrome/browser/sync/glue/extension_setting_data_type_controller.cc

Index: chrome/browser/sync/glue/extension_setting_data_type_controller.cc
diff --git a/chrome/browser/sync/glue/extension_setting_data_type_controller.cc b/chrome/browser/sync/glue/extension_setting_data_type_controller.cc
index 8b0b6678724d3cea2e2767e7a5c4973240eb0b09..3853b5d77a4c51de42ec762a7e0aa8bf96d7f8b9 100644
--- a/chrome/browser/sync/glue/extension_setting_data_type_controller.cc
+++ b/chrome/browser/sync/glue/extension_setting_data_type_controller.cc
@@ -21,26 +21,19 @@ ExtensionSettingDataTypeController::ExtensionSettingDataTypeController(
     syncer::ModelType type,
     const base::Closure& dump_stack,
     syncer::SyncClient* sync_client,
-    Profile* profile)
-    : NonUIDataTypeController(type, dump_stack, sync_client),
+    Profile* profile,
+    const scoped_refptr<base::SequencedTaskRunner>& file_thread)
+    : NonUIDataTypeController(type,
+                              dump_stack,
+                              sync_client,
+                              syncer::GROUP_FILE,
+                              file_thread),
       profile_(profile) {
   DCHECK(type == syncer::EXTENSION_SETTINGS || type == syncer::APP_SETTINGS);
 }
 
-syncer::ModelSafeGroup
-ExtensionSettingDataTypeController::model_safe_group() const {
-  return syncer::GROUP_FILE;
-}
-
 ExtensionSettingDataTypeController::~ExtensionSettingDataTypeController() {}
 
-bool ExtensionSettingDataTypeController::PostTaskOnBackendThread(
-    const tracked_objects::Location& from_here,
-    const base::Closure& task) {
-  DCHECK(CalledOnValidThread());
-  return BrowserThread::PostTask(BrowserThread::FILE, from_here, task);
-}
-
 bool ExtensionSettingDataTypeController::StartModels() {
   DCHECK(CalledOnValidThread());
   extensions::ExtensionSystem::Get(profile_)->InitForRegularProfile(true);