[Sync] Move //components/sync_driver to //components/sync/driver.

components/sync_driver/non_ui_data_type_controller.h

Index: components/sync_driver/non_ui_data_type_controller.h
diff --git a/components/sync_driver/non_ui_data_type_controller.h b/components/sync_driver/non_ui_data_type_controller.h
deleted file mode 100644
index d3c850b96c388d60215abdcd30618fd7d7e8de0e..0000000000000000000000000000000000000000
--- a/components/sync_driver/non_ui_data_type_controller.h
+++ /dev/null
@@ -1,168 +0,0 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef COMPONENTS_SYNC_DRIVER_NON_UI_DATA_TYPE_CONTROLLER_H_
-#define COMPONENTS_SYNC_DRIVER_NON_UI_DATA_TYPE_CONTROLLER_H_
-
-#include <string>
-
-#include "base/compiler_specific.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/weak_ptr.h"
-#include "components/sync_driver/directory_data_type_controller.h"
-#include "components/sync_driver/shared_change_processor.h"
-
-namespace syncer {
-class SyncableService;
-struct UserShare;
-}
-
-namespace sync_driver {
-
-class SyncClient;
-
-class NonUIDataTypeController : public DirectoryDataTypeController {
- public:
-  NonUIDataTypeController(
-      const scoped_refptr<base::SingleThreadTaskRunner>& ui_thread,
-      const base::Closure& error_callback,
-      SyncClient* sync_client);
-
-  // DataTypeController interface.
-  void LoadModels(const ModelLoadCallback& model_load_callback) override;
-  void StartAssociating(const StartCallback& start_callback) override;
-  void Stop() override;
-  syncer::ModelType type() const override = 0;
-  syncer::ModelSafeGroup model_safe_group() const override = 0;
-  ChangeProcessor* GetChangeProcessor() const override;
-  std::string name() const override;
-  State state() const override;
-  void OnSingleDataTypeUnrecoverableError(
-      const syncer::SyncError& error) override;
-
- protected:
-  // For testing only.
-  NonUIDataTypeController();
-  // DataTypeController is RefCounted.
-  ~NonUIDataTypeController() override;
-
-  // Start any dependent services that need to be running before we can
-  // associate models. The default implementation is a no-op.
-  // Return value:
-  //   True - if models are ready and association can proceed.
-  //   False - if models are not ready. StartAssociationAsync should be called
-  //           when the models are ready.
-  // Note: this is performed on the UI thread.
-  virtual bool StartModels();
-
-  // Perform any DataType controller specific state cleanup before stopping
-  // the datatype controller. The default implementation is a no-op.
-  // Note: this is performed on the UI thread.
-  virtual void StopModels();
-
-  // Posts the given task to the backend thread, i.e. the thread the
-  // datatype lives on.  Return value: True if task posted successfully,
-  // false otherwise.
-  virtual bool PostTaskOnBackendThread(
-      const tracked_objects::Location& from_here,
-      const base::Closure& task) = 0;
-
-  // Start up complete, update the state and invoke the callback.
-  // Note: this is performed on the datatype's thread.
-  virtual void StartDone(
-      DataTypeController::ConfigureResult start_result,
-      const syncer::SyncMergeResult& local_merge_result,
-      const syncer::SyncMergeResult& syncer_merge_result);
-
-  // UI thread implementation of StartDone.
-  virtual void StartDoneImpl(
-      DataTypeController::ConfigureResult start_result,
-      DataTypeController::State new_state,
-      const syncer::SyncMergeResult& local_merge_result,
-      const syncer::SyncMergeResult& syncer_merge_result);
-
-  // Kick off the association process.
-  virtual bool StartAssociationAsync();
-
-  // Record association time.
-  virtual void RecordAssociationTime(base::TimeDelta time);
-
-  // Record causes of start failure.
-  virtual void RecordStartFailure(ConfigureResult result);
-
-  // To allow unit tests to control thread interaction during non-ui startup
-  // and shutdown, use a factory method to create the SharedChangeProcessor.
-  virtual SharedChangeProcessor* CreateSharedChangeProcessor();
-
-  // If the DTC is waiting for models to load, once the models are
-  // loaded the datatype service will call this function on DTC to let
-  // us know that it is safe to start associating.
-  void OnModelLoaded();
-
- private:
-  // Posted on the backend thread by StartAssociationAsync().
-  void StartAssociationWithSharedChangeProcessor(
-      const scoped_refptr<SharedChangeProcessor>& shared_change_processor);
-
-  // Calls Disconnect() on |shared_change_processor_|, then sets it to
-  // NULL.  Must be called only by StartDoneImpl() or Stop() (on the
-  // UI thread) and only after a call to Start() (i.e.,
-  // |shared_change_processor_| must be non-NULL).
-  void ClearSharedChangeProcessor();
-
-  // Posts StopLocalService() to the datatype's thread.
-  void StopLocalServiceAsync();
-
-  // Calls local_service_->StopSyncing() and releases our references to it.
-  void StopLocalService();
-
-  // Abort model loading and trigger the model load callback.
-  void AbortModelLoad();
-
-  // Disable this type with the sync service. Should only be invoked in case of
-  // an unrecoverable error.
-  // Note: this is performed on the UI thread.
-  void DisableImpl(const syncer::SyncError& error);
-
-  SyncClient* const sync_client_;
-
-  // UserShare is stored in StartAssociating while on UI thread and
-  // passed to SharedChangeProcessor::Connect on the model thread.
-  syncer::UserShare* user_share_;
-
-  // State of this datatype controller.
-  State state_;
-
-  // Callbacks for use when starting the datatype.
-  StartCallback start_callback_;
-  ModelLoadCallback model_load_callback_;
-
-  // The shared change processor is the thread-safe interface to the
-  // datatype.  We hold a reference to it from the UI thread so that
-  // we can call Disconnect() on it from Stop()/StartDoneImpl().  Most
-  // of the work is done on the backend thread, and in
-  // StartAssociationWithSharedChangeProcessor() for this class in
-  // particular.
-  //
-  // Lifetime: The SharedChangeProcessor object is created on the UI
-  // thread and passed on to the backend thread.  This reference is
-  // released on the UI thread in Stop()/StartDoneImpl(), but the
-  // backend thread may still have references to it (which is okay,
-  // since we call Disconnect() before releasing the UI thread
-  // reference).
-  scoped_refptr<SharedChangeProcessor> shared_change_processor_;
-
-  // A weak pointer to the actual local syncable service, which performs all the
-  // real work. We do not own the object, and it is only safe to access on the
-  // DataType's thread.
-  // Lifetime: it gets set in StartAssociationWithSharedChangeProcessor(...)
-  // and released in StopLocalService().
-  base::WeakPtr<syncer::SyncableService> local_service_;
-
-  scoped_refptr<base::SingleThreadTaskRunner> ui_thread_;
-};
-
-}  // namespace sync_driver
-
-#endif  // COMPONENTS_SYNC_DRIVER_NON_UI_DATA_TYPE_CONTROLLER_H_