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

sync/engine/get_updates_processor.h

-// 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 SYNC_ENGINE_GET_UPDATES_PROCESSOR_H_
-#define SYNC_ENGINE_GET_UPDATES_PROCESSOR_H_
-
-#include <map>
-#include <vector>
-
-#include "base/gtest_prod_util.h"
-#include "base/macros.h"
-#include "sync/base/sync_export.h"
-#include "sync/internal_api/public/base/model_type.h"
-#include "sync/internal_api/public/engine/model_safe_worker.h"
-#include "sync/protocol/sync.pb.h"
-#include "sync/sessions/model_type_registry.h"
-
-namespace sync_pb {
-class GetUpdatesMessage;
-class GetUpdatesResponse;
-}  // namespace sync_pb
-
-namespace syncer {
-
-namespace sessions {
-class StatusController;
-class SyncSession;
-class SyncSessionContext;
-class DebugInfoGetter;
-}  // namespace sessions
-
-namespace syncable {
-class Directory;
-}  // namespace syncable
-
-class GetUpdatesDelegate;
-
-// This class manages the set of per-type syncer objects.
-//
-// It owns these types and hides the details of iterating over all of them.
-// Most methods allow the caller to specify a subset of types on which the
-// operation is to be applied.  It is a logic error if the supplied set of types
-// contains a type which was not previously registered with the manager.
-class SYNC_EXPORT GetUpdatesProcessor {
- public:
-  explicit GetUpdatesProcessor(UpdateHandlerMap* update_handler_map,
-                               const GetUpdatesDelegate& delegate);
-  ~GetUpdatesProcessor();
-
-  // Downloads and processes a batch of updates for the specified types.
-  //
-  // Returns SYNCER_OK if the download succeeds, SERVER_MORE_TO_DOWNLOAD if the
-  // download succeeded but there are still some updates left to fetch on the
-  // server, or an appropriate error value in case of failure.
-  SyncerError DownloadUpdates(
-      ModelTypeSet* request_types,
-      sessions::SyncSession* session,
-      bool create_mobile_bookmarks_folder);
-
-  // Applies any downloaded and processed updates.
-  void ApplyUpdates(
-      ModelTypeSet gu_types,
-      sessions::StatusController* status_controller);
-
- private:
-  // Populates a GetUpdates request message with per-type information.
-  void PrepareGetUpdates(
-      ModelTypeSet gu_types,
-      sync_pb::ClientToServerMessage* message);
-
-  // Sends the specified message to the server and stores the response in a
-  // member of the |session|'s StatusController.
-  SyncerError ExecuteDownloadUpdates(ModelTypeSet* request_types,
-                                     sessions::SyncSession* session,
-                                     sync_pb::ClientToServerMessage* msg);
-
-  // Helper function for processing responses from the server.  Defined here for
-  // testing.
-  SyncerError ProcessResponse(const sync_pb::GetUpdatesResponse& gu_response,
-                              ModelTypeSet proto_request_types,
-                              sessions::StatusController* status);
-
-  // Processes a GetUpdates responses for each type.
-  syncer::SyncerError ProcessGetUpdatesResponse(
-      ModelTypeSet gu_types,
-      const sync_pb::GetUpdatesResponse& gu_response,
-      sessions::StatusController* status_controller);
-
-  static void CopyClientDebugInfo(
-      sessions::DebugInfoGetter* debug_info_getter,
-      sync_pb::DebugInfo* debug_info);
-
-  FRIEND_TEST_ALL_PREFIXES(GetUpdatesProcessorTest, BookmarkNudge);
-  FRIEND_TEST_ALL_PREFIXES(GetUpdatesProcessorTest, NotifyMany);
-  FRIEND_TEST_ALL_PREFIXES(GetUpdatesProcessorTest, InitialSyncRequest);
-  FRIEND_TEST_ALL_PREFIXES(GetUpdatesProcessorTest, ConfigureTest);
-  FRIEND_TEST_ALL_PREFIXES(GetUpdatesProcessorTest, PollTest);
-  FRIEND_TEST_ALL_PREFIXES(GetUpdatesProcessorTest, RetryTest);
-  FRIEND_TEST_ALL_PREFIXES(GetUpdatesProcessorTest, NudgeWithRetryTest);
-  FRIEND_TEST_ALL_PREFIXES(GetUpdatesProcessorTest, InvalidResponse);
-  FRIEND_TEST_ALL_PREFIXES(GetUpdatesProcessorTest, MoreToDownloadResponse);
-  FRIEND_TEST_ALL_PREFIXES(GetUpdatesProcessorTest, NormalResponseTest);
-  FRIEND_TEST_ALL_PREFIXES(DownloadUpdatesDebugInfoTest,
-                           VerifyCopyClientDebugInfo_Empty);
-  FRIEND_TEST_ALL_PREFIXES(DownloadUpdatesDebugInfoTest, VerifyCopyOverwrites);
-
-  // A map of 'update handlers', one for each enabled type.
-  // This must be kept in sync with the routing info.  Our temporary solution to
-  // that problem is to initialize this map in set_routing_info().
-  UpdateHandlerMap* update_handler_map_;
-
-  const GetUpdatesDelegate& delegate_;
-
-  DISALLOW_COPY_AND_ASSIGN(GetUpdatesProcessor);
-};
-
-}  // namespace syncer
-
-#endif  // SYNC_ENGINE_GET_UPDATES_PROCESSOR_H_