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

sync/engine/directory_commit_contributor.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_DIRECTORY_COMMIT_CONTRIBUTOR_H_
-#define SYNC_ENGINE_DIRECTORY_COMMIT_CONTRIBUTOR_H_
-
-#include <stddef.h>
-
-#include <map>
-#include <memory>
-
-#include "base/macros.h"
-#include "sync/engine/commit_contributor.h"
-#include "sync/engine/directory_commit_contribution.h"
-#include "sync/internal_api/public/base/model_type.h"
-
-namespace syncer {
-
-namespace syncable {
-class Directory;
-}
-
-class DirectoryTypeDebugInfoEmitter;
-
-// This class represents the syncable::Directory as a source of items to commit
-// to the sync server.
-//
-// Each instance of this class represents a particular type within the
-// syncable::Directory.  When asked, it will iterate through the directory, grab
-// any items of its type that are ready for commit, and return them in the form
-// of a DirectoryCommitContribution.
-class DirectoryCommitContributor : public CommitContributor {
- public:
-  DirectoryCommitContributor(syncable::Directory* dir,
-                             ModelType type,
-                             DirectoryTypeDebugInfoEmitter* debug_info_emitter);
-  ~DirectoryCommitContributor() override;
-
-  std::unique_ptr<CommitContribution> GetContribution(
-      size_t max_entries) override;
-
- private:
-  syncable::Directory* dir_;
-  ModelType type_;
-
-  DirectoryTypeDebugInfoEmitter* debug_info_emitter_;
-
-  DISALLOW_COPY_AND_ASSIGN(DirectoryCommitContributor);
-};
-
-}  // namespace syncer
-
-#endif  // SYNC_ENGINE_DIRECTORY_COMMIT_CONTRIBUTOR_H_