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

sync/test/engine/mock_nudge_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_NUDGE_HANDLER_H_
-#define SYNC_TEST_ENGINE_MOCK_NUDGE_HANDLER_H_
-
-#include "base/compiler_specific.h"
-#include "base/macros.h"
-#include "sync/engine/nudge_handler.h"
-#include "sync/internal_api/public/base/model_type.h"
-
-namespace syncer {
-
-class MockNudgeHandler : public NudgeHandler {
- public:
-  MockNudgeHandler();
-  ~MockNudgeHandler() override;
-
-  void NudgeForInitialDownload(syncer::ModelType type) override;
-  void NudgeForCommit(syncer::ModelType type) override;
-  void NudgeForRefresh(syncer::ModelType type) override;
-
-  int GetNumInitialDownloadNudges() const;
-  int GetNumCommitNudges() const;
-  int GetNumRefreshNudges() const;
-
-  void ClearCounters();
-
- private:
-  int num_initial_nudges_;
-  int num_commit_nudges_;
-  int num_refresh_nudges_;
-
-  DISALLOW_COPY_AND_ASSIGN(MockNudgeHandler);
-};
-
-}  // namespace syncer
-
-#endif  // SYNC_TEST_ENGINE_MOCK_NUDGE_HANDLER_H_