[Sync] Remove UIDataTypeController

chrome/browser/ui/app_list/arc/arc_package_sync_data_type_controller.h

Index: chrome/browser/ui/app_list/arc/arc_package_sync_data_type_controller.h
diff --git a/chrome/browser/ui/app_list/arc/arc_package_sync_data_type_controller.h b/chrome/browser/ui/app_list/arc/arc_package_sync_data_type_controller.h
index b07d5e65493c3f09d7c807ca3e135f393476aef4..f5a04b4f14f27b051e5fcf555c098c07d4cebebd 100644
--- a/chrome/browser/ui/app_list/arc/arc_package_sync_data_type_controller.h
+++ b/chrome/browser/ui/app_list/arc/arc_package_sync_data_type_controller.h
@@ -9,7 +9,7 @@
 #include "chrome/browser/ui/app_list/arc/arc_app_list_prefs.h"
 #include "components/prefs/pref_change_registrar.h"
 #include "components/sync/driver/data_type_controller.h"
-#include "components/sync/driver/ui_data_type_controller.h"
+#include "components/sync/driver/non_ui_data_type_controller.h"
 
 class Profile;
 
@@ -17,9 +17,9 @@ namespace syncer {
 class SyncClient;
 }
 
-// A UIDataTypeController for arc package sync datatypes, which enables or
+// A DataTypeController for arc package sync datatypes, which enables or
 // disables these types based on whether ArcAppInstance is ready.
-class ArcPackageSyncDataTypeController : public syncer::UIDataTypeController,
+class ArcPackageSyncDataTypeController : public syncer::NonUIDataTypeController,
                                          public ArcAppListPrefs::Observer {
  public:
   // |dump_stack| is called when an unrecoverable error occurs.
@@ -29,7 +29,7 @@ class ArcPackageSyncDataTypeController : public syncer::UIDataTypeController,
                                    Profile* profile);
   ~ArcPackageSyncDataTypeController() override;
 
-  // UIDataTypeController override:
+  // NonUIDataTypeController implementation.
   bool ReadyForStart() const override;
   bool StartModels() override;
   void StopModels() override;
@@ -48,8 +48,6 @@ class ArcPackageSyncDataTypeController : public syncer::UIDataTypeController,
 
   Profile* const profile_;
 
-  syncer::SyncClient* sync_client_;
-
   PrefChangeRegistrar pref_registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(ArcPackageSyncDataTypeController);