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

sync/test/engine/mock_update_handler.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_TEST_ENGINE_MOCK_UPDATE_HANDLER_H_
-#define SYNC_TEST_ENGINE_MOCK_UPDATE_HANDLER_H_
-
-#include "base/compiler_specific.h"
-#include "sync/engine/update_handler.h"
-#include "sync/internal_api/public/base/model_type.h"
-#include "sync/protocol/sync.pb.h"
-
-namespace syncer {
-
-class MockUpdateHandler : public UpdateHandler {
- public:
-  explicit MockUpdateHandler(ModelType type);
-  ~MockUpdateHandler() override;
-
-  // UpdateHandler implementation.
-  bool IsInitialSyncEnded() const override;
-  void GetDownloadProgress(
-      sync_pb::DataTypeProgressMarker* progress_marker) const override;
-  void GetDataTypeContext(sync_pb::DataTypeContext* context) const override;
-  SyncerError ProcessGetUpdatesResponse(
-      const sync_pb::DataTypeProgressMarker& progress_marker,
-      const sync_pb::DataTypeContext& mutated_context,
-      const SyncEntityList& applicable_updates,
-      sessions::StatusController* status) override;
-  void ApplyUpdates(sessions::StatusController* status) override;
-  void PassiveApplyUpdates(sessions::StatusController* status) override;
-
-  // Returns the number of times ApplyUpdates() was invoked.
-  int GetApplyUpdatesCount();
-
-  // Returns the number of times PassiveApplyUpdates() was invoked.
-  int GetPassiveApplyUpdatesCount();
-
- private:
-  sync_pb::DataTypeProgressMarker progress_marker_;
-
-  int apply_updates_count_;
-  int passive_apply_updates_count_;
-};
-
-}  // namespace syncer
-
-#endif  // SYNC_TEST_ENGINE_MOCK_UPDATE_HANDLER_H_