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

sync/engine/non_blocking_type_commit_contribution.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_NON_BLOCKING_TYPE_COMMIT_CONTRIBUTION_H_
-#define SYNC_ENGINE_NON_BLOCKING_TYPE_COMMIT_CONTRIBUTION_H_
-
-#include <stddef.h>
-#include <stdint.h>
-
-#include <vector>
-
-#include "base/macros.h"
-#include "sync/engine/commit_contribution.h"
-#include "sync/protocol/sync.pb.h"
-
-namespace syncer_v2 {
-
-class ModelTypeWorker;
-
-// A non-blocking sync type's contribution to an outgoing commit message.
-//
-// Helps build a commit message and process its response.  It collaborates
-// closely with the ModelTypeWorker.
-class NonBlockingTypeCommitContribution : public syncer::CommitContribution {
- public:
-  NonBlockingTypeCommitContribution(
-      const sync_pb::DataTypeContext& context,
-      const google::protobuf::RepeatedPtrField<sync_pb::SyncEntity>& entities,
-      ModelTypeWorker* worker);
-  ~NonBlockingTypeCommitContribution() override;
-
-  // Implementation of CommitContribution
-  void AddToCommitMessage(sync_pb::ClientToServerMessage* msg) override;
-  syncer::SyncerError ProcessCommitResponse(
-      const sync_pb::ClientToServerResponse& response,
-      syncer::sessions::StatusController* status) override;
-  void CleanUp() override;
-  size_t GetNumEntries() const override;
-
- private:
-  // A non-owned pointer back to the object that created this contribution.
-  ModelTypeWorker* const worker_;
-
-  // The type-global context information.
-  const sync_pb::DataTypeContext context_;
-
-  // The set of entities to be committed, serialized as SyncEntities.
-  const google::protobuf::RepeatedPtrField<sync_pb::SyncEntity> entities_;
-
-  // The index in the commit message where this contribution's entities are
-  // added.  Used to correlate per-item requests with per-item responses.
-  size_t entries_start_index_;
-
-  // A flag used to ensure this object's contract is respected.  Helps to check
-  // that CleanUp() is called before the object is destructed.
-  bool cleaned_up_;
-
-  DISALLOW_COPY_AND_ASSIGN(NonBlockingTypeCommitContribution);
-};
-
-}  // namespace syncer_v2
-
-#endif  // SYNC_ENGINE_NON_BLOCKING_TYPE_COMMIT_CONTRIBUTION_H_