[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..8badbbfd62b6fd716662bd6b299392c4de1ffdd4 100644
--- a/chrome/browser/sync/glue/extension_setting_data_type_controller.cc
+++ b/chrome/browser/sync/glue/extension_setting_data_type_controller.cc
@@ -22,25 +22,18 @@ ExtensionSettingDataTypeController::ExtensionSettingDataTypeController(
     const base::Closure& dump_stack,
     syncer::SyncClient* sync_client,
     Profile* profile)
-    : NonUIDataTypeController(type, dump_stack, sync_client),
+    : NonUIDataTypeController(
+          type,
+          dump_stack,
+          sync_client,
+          syncer::GROUP_FILE,
+          BrowserThread::GetTaskRunnerForThread(BrowserThread::FILE)),
       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);