Revert 289113 "Revert 288557 "[Sync] Use OnSingleDataTypeUnrecov..."

trunk/src/components/sync_driver/data_type_controller.cc

Index: trunk/src/components/sync_driver/data_type_controller.cc
===================================================================
--- trunk/src/components/sync_driver/data_type_controller.cc	(revision 289354)
+++ trunk/src/components/sync_driver/data_type_controller.cc	(working copy)
@@ -12,11 +12,9 @@
 
 DataTypeController::DataTypeController(
     scoped_refptr<base::MessageLoopProxy> ui_thread,
-    const base::Closure& error_callback,
-    const DisableTypeCallback& disable_callback)
+    const base::Closure& error_callback)
     : base::RefCountedDeleteOnMessageLoop<DataTypeController>(ui_thread),
       error_callback_(error_callback),
-      disable_callback_(disable_callback),
       user_share_(NULL) {
 }
 
@@ -51,11 +49,6 @@
   return user_share_;
 }
 
-DataTypeController::DisableTypeCallback
-DataTypeController::disable_callback() {
-  return disable_callback_;
-}
-
 bool DataTypeController::ReadyForStart() const {
   return true;
 }