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

components/sync_driver/data_type_manager_impl.h

Index: components/sync_driver/data_type_manager_impl.h
diff --git a/components/sync_driver/data_type_manager_impl.h b/components/sync_driver/data_type_manager_impl.h
deleted file mode 100644
index 781d4f391a23cb0400276335a053fe42944737da..0000000000000000000000000000000000000000
--- a/components/sync_driver/data_type_manager_impl.h
+++ /dev/null
@@ -1,243 +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_DATA_TYPE_MANAGER_IMPL_H__
-#define COMPONENTS_SYNC_DRIVER_DATA_TYPE_MANAGER_IMPL_H__
-
-#include "components/sync_driver/data_type_manager.h"
-
-#include <map>
-#include <queue>
-#include <vector>
-
-#include "base/callback_forward.h"
-#include "base/compiler_specific.h"
-#include "base/macros.h"
-#include "base/memory/weak_ptr.h"
-#include "base/time/time.h"
-#include "components/sync_driver/backend_data_type_configurer.h"
-#include "components/sync_driver/model_association_manager.h"
-
-namespace syncer {
-struct DataTypeConfigurationStats;
-class DataTypeDebugInfoListener;
-template <typename T> class WeakHandle;
-}
-
-namespace sync_driver {
-
-class DataTypeController;
-class DataTypeEncryptionHandler;
-class DataTypeManagerObserver;
-
-// List of data types grouped by priority and ordered from high priority to
-// low priority.
-typedef std::queue<syncer::ModelTypeSet> TypeSetPriorityList;
-
-class DataTypeManagerImpl : public DataTypeManager,
-                            public ModelAssociationManagerDelegate {
- public:
-  DataTypeManagerImpl(
-      const syncer::WeakHandle<syncer::DataTypeDebugInfoListener>&
-          debug_info_listener,
-      const DataTypeController::TypeMap* controllers,
-      const DataTypeEncryptionHandler* encryption_handler,
-      BackendDataTypeConfigurer* configurer,
-      DataTypeManagerObserver* observer);
-  ~DataTypeManagerImpl() override;
-
-  // DataTypeManager interface.
-  void Configure(syncer::ModelTypeSet desired_types,
-                 syncer::ConfigureReason reason) override;
-  void ReenableType(syncer::ModelType type) override;
-  void ResetDataTypeErrors() override;
-
-  // Needed only for backend migration.
-  void PurgeForMigration(syncer::ModelTypeSet undesired_types,
-                         syncer::ConfigureReason reason) override;
-
-  void Stop() override;
-  State state() const override;
-
-  // |ModelAssociationManagerDelegate| implementation.
-  void OnAllDataTypesReadyForConfigure() override;
-  void OnSingleDataTypeAssociationDone(
-      syncer::ModelType type,
-      const syncer::DataTypeAssociationStats& association_stats) override;
-  void OnModelAssociationDone(
-      const DataTypeManager::ConfigureResult& result) override;
-  void OnSingleDataTypeWillStop(syncer::ModelType type,
-                                const syncer::SyncError& error) override;
-
-  // Used by unit tests. TODO(sync) : This would go away if we made
-  // this class be able to do Dependency injection. crbug.com/129212.
-  ModelAssociationManager* GetModelAssociationManagerForTesting() {
-    return &model_association_manager_;
-  }
-
- private:
-  // Helper enum for identifying which types within a priority group to
-  // associate.
-  enum AssociationGroup {
-    // Those types that were already downloaded and didn't have an error at
-    // configuration time. Corresponds with AssociationTypesInfo's
-    // |ready_types|. These types can start associating as soon as the
-    // ModelAssociationManager is not busy.
-    READY_AT_CONFIG,
-    // All other types, including first time sync types and those that have
-    // encountered an error. These types must wait until the syncer has done
-    // any db changes and/or downloads before associating.
-    UNREADY_AT_CONFIG,
-  };
-
-  friend class TestDataTypeManager;
-
-  // Abort configuration and stop all data types due to configuration errors.
-  void Abort(ConfigureStatus status);
-
-  // Returns the priority types (control + priority user types).
-  // Virtual for overriding during tests.
-  virtual syncer::ModelTypeSet GetPriorityTypes() const;
-
-  // Divide |types| into sets by their priorities and return the sets from
-  // high priority to low priority.
-  TypeSetPriorityList PrioritizeTypes(const syncer::ModelTypeSet& types);
-
-  // Post a task to reconfigure when no downloading or association are running.
-  void ProcessReconfigure();
-
-  void Restart(syncer::ConfigureReason reason);
-  void DownloadReady(syncer::ModelTypeSet types_to_download,
-                     syncer::ModelTypeSet first_sync_types,
-                     syncer::ModelTypeSet failed_configuration_types);
-
-  // Notification from the SBH that download failed due to a transient
-  // error and it will be retried.
-  void OnDownloadRetry();
-  void NotifyStart();
-  void NotifyDone(const ConfigureResult& result);
-
-  // Add to |configure_time_delta_| the time since we last called
-  // Restart().
-  void AddToConfigureTime();
-
-  void ConfigureImpl(syncer::ModelTypeSet desired_types,
-                     syncer::ConfigureReason reason);
-
-  // Calls data type controllers of requested types to register with backend.
-  void RegisterTypesWithBackend();
-
-  BackendDataTypeConfigurer::DataTypeConfigStateMap
-  BuildDataTypeConfigStateMap(
-      const syncer::ModelTypeSet& types_being_configured) const;
-
-  // Start download of next set of types in |download_types_queue_| (if
-  // any exist, does nothing otherwise).
-  // Will kick off association of any new ready types.
-  void StartNextDownload(syncer::ModelTypeSet high_priority_types_before);
-
-  // Start association of next batch of data types after association of
-  // previous batch finishes. |group| controls which set of types within
-  // an AssociationTypesInfo to associate. Does nothing if model associator
-  // is busy performing association.
-  void StartNextAssociation(AssociationGroup group);
-
-  void StopImpl();
-
-  BackendDataTypeConfigurer* configurer_;
-  // Map of all data type controllers that are available for sync.
-  // This list is determined at startup by various command line flags.
-  const DataTypeController::TypeMap* controllers_;
-  State state_;
-  syncer::ModelTypeSet last_requested_types_;
-
-  // Whether an attempt to reconfigure was made while we were busy configuring.
-  // The |last_requested_types_| will reflect the newest set of requested types.
-  bool needs_reconfigure_;
-
-  // The reason for the last reconfigure attempt. Note: this will be set to a
-  // valid value only when |needs_reconfigure_| is set.
-  syncer::ConfigureReason last_configure_reason_;
-
-  // The last time Restart() was called.
-  base::Time last_restart_time_;
-
-  // The accumulated time spent between calls to Restart() and going
-  // to the DONE state.
-  base::TimeDelta configure_time_delta_;
-
-  // Sync's datatype debug info listener, which we pass model association
-  // statistics to.
-  const syncer::WeakHandle<syncer::DataTypeDebugInfoListener>
-      debug_info_listener_;
-
-  // The manager that handles the model association of the individual types.
-  ModelAssociationManager model_association_manager_;
-
-  // DataTypeManager must have only one observer -- the ProfileSyncService that
-  // created it and manages its lifetime.
-  DataTypeManagerObserver* const observer_;
-
-  // For querying failed data types (having unrecoverable error) when
-  // configuring backend.
-  DataTypeStatusTable data_type_status_table_;
-
-  // Types waiting to be downloaded.
-  TypeSetPriorityList download_types_queue_;
-
-  // Types waiting for association and related time tracking info.
-  struct AssociationTypesInfo {
-    AssociationTypesInfo();
-    AssociationTypesInfo(const AssociationTypesInfo& other);
-    ~AssociationTypesInfo();
-
-    // Types to associate.
-    syncer::ModelTypeSet types;
-    // Types that have just been downloaded and are being associated for the
-    // first time. This includes types that had previously encountered an error
-    // and had to be purged/unapplied from the sync db.
-    // This is a subset of |types|.
-    syncer::ModelTypeSet first_sync_types;
-    // Types that were already ready for association at configuration time.
-    syncer::ModelTypeSet ready_types;
-    // Time at which |types| began downloading.
-    base::Time download_start_time;
-    // Time at which |types| finished downloading.
-    base::Time download_ready_time;
-    // Time at which the association for |read_types| began.
-    base::Time ready_association_request_time;
-    // Time at which the association for |types| began (not relevant to
-    // |ready_types|.
-    base::Time full_association_request_time;
-    // The set of types that are higher priority (and were therefore blocking)
-    // the association of |types|.
-    syncer::ModelTypeSet high_priority_types_before;
-    // The subset of |types| that were successfully configured.
-    syncer::ModelTypeSet configured_types;
-  };
-  std::queue<AssociationTypesInfo> association_types_queue_;
-
-  // The encryption handler lets the DataTypeManager know the state of sync
-  // datatype encryption.
-  const DataTypeEncryptionHandler* encryption_handler_;
-
-  // Association and time stats of data type configuration.
-  std::vector<syncer::DataTypeConfigurationStats> configuration_stats_;
-
-  // True iff we are in the process of catching up datatypes.
-  bool catch_up_in_progress_;
-
-  // Configuration process is started when ModelAssociationManager notifies
-  // DataTypeManager that all types are ready for configure.
-  // This flag ensures that this process is started only once.
-  bool download_started_;
-
-  base::WeakPtrFactory<DataTypeManagerImpl> weak_ptr_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(DataTypeManagerImpl);
-};
-
-}  // namespace sync_driver
-
-#endif  // COMPONENTS_SYNC_DRIVER_DATA_TYPE_MANAGER_IMPL_H__