[Sync] Remove UIDataTypeController

components/sync_sessions/session_data_type_controller.cc

Index: components/sync_sessions/session_data_type_controller.cc
diff --git a/components/sync_sessions/session_data_type_controller.cc b/components/sync_sessions/session_data_type_controller.cc
index ec144668b0729f7548055039945305e8405998c9..6199758e75cabba67e0059fa85ce7167dc0c79da 100644
--- a/components/sync_sessions/session_data_type_controller.cc
+++ b/components/sync_sessions/session_data_type_controller.cc
@@ -6,6 +6,7 @@
 
 #include <set>
 
+#include "base/threading/thread_task_runner_handle.h"
 #include "components/prefs/pref_service.h"
 #include "components/sync/driver/sync_client.h"
 #include "components/sync_sessions/sync_sessions_client.h"
@@ -19,7 +20,11 @@ SessionDataTypeController::SessionDataTypeController(
     syncer::SyncClient* sync_client,
     syncer::LocalDeviceInfoProvider* local_device,
     const char* history_disabled_pref_name)
-    : UIDataTypeController(syncer::SESSIONS, dump_stack, sync_client),
+    : NonUIDataTypeController(syncer::SESSIONS,
+                              dump_stack,
+                              sync_client,
+                              syncer::GROUP_UI,
+                              base::ThreadTaskRunnerHandle::Get()),
       sync_client_(sync_client),
       local_device_(local_device),
       history_disabled_pref_name_(history_disabled_pref_name),
@@ -81,7 +86,7 @@ bool SessionDataTypeController::IsWaiting() {
 }
 
 void SessionDataTypeController::MaybeCompleteLoading() {
-  if (state_ == MODEL_STARTING && !IsWaiting()) {
+  if (state() == MODEL_STARTING && !IsWaiting()) {
     OnModelLoaded();
   }
 }