[Sync] Use OnSingleDataTypeUnrecoverableError for all errors

components/sync_driver/ui_data_type_controller.cc

Index: components/sync_driver/ui_data_type_controller.cc
diff --git a/components/sync_driver/ui_data_type_controller.cc b/components/sync_driver/ui_data_type_controller.cc
index 3b7945c33012c5124cbb725a9875d75416c99c27..eca577920b85cbf995ca7861991ada92f58f8691 100644
--- a/components/sync_driver/ui_data_type_controller.cc
+++ b/components/sync_driver/ui_data_type_controller.cc
@@ -17,8 +17,7 @@ namespace sync_driver {
 
 UIDataTypeController::UIDataTypeController()
     : DataTypeController(base::MessageLoopProxy::current(),
-                         base::Closure(),
-                         DisableTypeCallback()),
+                         base::Closure()),
       sync_factory_(NULL),
       state_(NOT_RUNNING),
       type_(syncer::UNSPECIFIED) {
@@ -27,10 +26,9 @@ UIDataTypeController::UIDataTypeController()
 UIDataTypeController::UIDataTypeController(
     scoped_refptr<base::MessageLoopProxy> ui_thread,
     const base::Closure& error_callback,
-    const DisableTypeCallback& disable_callback,
     syncer::ModelType type,
     SyncApiComponentFactory* sync_factory)
-    : DataTypeController(ui_thread, error_callback, disable_callback),
+    : DataTypeController(ui_thread, error_callback),
       sync_factory_(sync_factory),
       state_(NOT_RUNNING),
       type_(type),
@@ -269,6 +267,9 @@ void UIDataTypeController::Stop() {
   DCHECK(ui_thread_->BelongsToCurrentThread());
   DCHECK(syncer::IsRealDataType(type_));
 
+  if (state_ == NOT_RUNNING)
+    return;
+
   State prev_state = state_;
   state_ = STOPPING;
 
@@ -318,8 +319,9 @@ DataTypeController::State UIDataTypeController::state() const {
   return state_;
 }
 
-void UIDataTypeController::OnSingleDatatypeUnrecoverableError(
-    const tracked_objects::Location& from_here, const std::string& message) {
+void UIDataTypeController::OnSingleDataTypeUnrecoverableError(
+    const syncer::SyncError& error) {
+  DCHECK_EQ(type(), error.model_type());
   UMA_HISTOGRAM_ENUMERATION("Sync.DataTypeRunFailures",
                             ModelTypeToHistogramInt(type()),
                             syncer::MODEL_TYPE_COUNT);
@@ -327,8 +329,6 @@ void UIDataTypeController::OnSingleDatatypeUnrecoverableError(
   if (!error_callback_.is_null())
     error_callback_.Run();
   if (!start_callback_.is_null()) {
-    syncer::SyncError error(
-        from_here, syncer::SyncError::DATATYPE_ERROR, message, type());
     syncer::SyncMergeResult local_merge_result(type());
     local_merge_result.set_error(error);
     start_callback_.Run(RUNTIME_ERROR,