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

components/sync_driver/backend_data_type_configurer.h

Index: components/sync_driver/backend_data_type_configurer.h
diff --git a/components/sync_driver/backend_data_type_configurer.h b/components/sync_driver/backend_data_type_configurer.h
deleted file mode 100644
index 2fb935c158eb48efb6fd10986720663e5dd95feb..0000000000000000000000000000000000000000
--- a/components/sync_driver/backend_data_type_configurer.h
+++ /dev/null
@@ -1,100 +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_BACKEND_DATA_TYPE_CONFIGURER_H_
-#define COMPONENTS_SYNC_DRIVER_BACKEND_DATA_TYPE_CONFIGURER_H_
-
-#include <map>
-#include <memory>
-
-#include "base/callback.h"
-#include "components/sync/base/model_type.h"
-#include "components/sync/core/configure_reason.h"
-#include "components/sync/engine/model_safe_worker.h"
-
-namespace syncer_v2 {
-struct ActivationContext;
-}
-
-namespace sync_driver {
-
-class ChangeProcessor;
-
-// The DataTypeConfigurer interface abstracts out the action of
-// configuring a set of new data types and cleaning up after a set of
-// removed data types.
-class BackendDataTypeConfigurer {
- public:
-  enum DataTypeConfigState {
-    CONFIGURE_ACTIVE,     // Actively being configured. Data of such types
-                          // will be downloaded if not present locally.
-    CONFIGURE_INACTIVE,   // Already configured or to be configured in future.
-                          // Data of such types is left as it is, no
-                          // downloading or purging.
-    CONFIGURE_CLEAN,      // Actively being configured but requiring unapply
-                          // and GetUpdates first (e.g. for persistence errors).
-    DISABLED,             // Not syncing. Disabled by user.
-    FATAL,                // Not syncing due to unrecoverable error.
-    CRYPTO,               // Not syncing due to a cryptographer error.
-    UNREADY,              // Not syncing due to transient error.
-  };
-  typedef std::map<syncer::ModelType, DataTypeConfigState>
-      DataTypeConfigStateMap;
-
-  // Configures sync for data types in config_state_map according to the states.
-  // |ready_task| is called on the same thread as ConfigureDataTypes
-  // is called when configuration is done with the set of data types
-  // that succeeded/failed configuration (i.e., configuration succeeded iff
-  // the failed set is empty).
-  // Returns: the set of types that are already configured and are ready to
-  // start.
-  //
-  // TODO(akalin): Use a Delegate class with
-  // OnConfigureSuccess/OnConfigureFailure/OnConfigureRetry instead of
-  // a pair of callbacks.  The awkward part is handling when
-  // SyncBackendHost calls ConfigureDataTypes on itself to configure
-  // Nigori.
-  virtual syncer::ModelTypeSet ConfigureDataTypes(
-      syncer::ConfigureReason reason,
-      const DataTypeConfigStateMap& config_state_map,
-      const base::Callback<void(syncer::ModelTypeSet, syncer::ModelTypeSet)>&
-          ready_task,
-      const base::Callback<void()>& retry_callback) = 0;
-
-  // Return model types in |state_map| that match |state|.
-  static syncer::ModelTypeSet GetDataTypesInState(
-      DataTypeConfigState state, const DataTypeConfigStateMap& state_map);
-
-  // Activates change processing for the given directory data type.  This must
-  // be called synchronously with the data type's model association so
-  // no changes are dropped between model association and change
-  // processor activation.
-  virtual void ActivateDirectoryDataType(syncer::ModelType type,
-                                         syncer::ModelSafeGroup group,
-                                         ChangeProcessor* change_processor) = 0;
-
-  // Deactivates change processing for the given data type.
-  virtual void DeactivateDirectoryDataType(syncer::ModelType type) = 0;
-
-  // Activates change processing for the given non-blocking data type.
-  // This must be called before initial sync for data type.
-  virtual void ActivateNonBlockingDataType(
-      syncer::ModelType type,
-      std::unique_ptr<syncer_v2::ActivationContext> activation_context) = 0;
-
-  // Deactivates change processing for the given non-blocking data type.
-  virtual void DeactivateNonBlockingDataType(syncer::ModelType type) = 0;
-
-  // Set state of |types| in |state_map| to |state|.
-  static void SetDataTypesState(DataTypeConfigState state,
-                                syncer::ModelTypeSet types,
-                                DataTypeConfigStateMap* state_map);
-
- protected:
-  virtual ~BackendDataTypeConfigurer() {}
-};
-
-}  // namespace sync_driver
-
-#endif  // COMPONENTS_SYNC_DRIVER_BACKEND_DATA_TYPE_CONFIGURER_H_