sync: Merge {Verify,Process}UpdatesCommand

sync/engine/verify_updates_command.h

-// Copyright (c) 2012 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_VERIFY_UPDATES_COMMAND_H_
-#define SYNC_ENGINE_VERIFY_UPDATES_COMMAND_H_
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "sync/engine/model_changing_syncer_command.h"
-#include "sync/engine/syncer_types.h"
-#include "sync/internal_api/public/engine/model_safe_worker.h"
-
-namespace syncer {
-
-namespace syncable {
-class WriteTransaction;
-}
-
-// Verifies the response from a GetUpdates request. All invalid updates will be
-// noted in the SyncSession after this command is executed.
-class VerifyUpdatesCommand : public ModelChangingSyncerCommand {
- public:
-  VerifyUpdatesCommand();
-  virtual ~VerifyUpdatesCommand();
-
- protected:
-  // ModelChangingSyncerCommand implementation.
-  virtual std::set<ModelSafeGroup> GetGroupsToChange(
-      const sessions::SyncSession& session) const OVERRIDE;
-  virtual SyncerError ModelChangingExecuteImpl(
-      sessions::SyncSession* session) OVERRIDE;
-
- private:
-  struct VerifyUpdateResult {
-    VerifyResult value;
-    ModelSafeGroup placement;
-  };
-  VerifyUpdateResult VerifyUpdate(syncable::WriteTransaction* trans,
-                                  const sync_pb::SyncEntity& entry,
-                                  ModelTypeSet requested_types,
-                                  const ModelSafeRoutingInfo& routes);
-  DISALLOW_COPY_AND_ASSIGN(VerifyUpdatesCommand);
-};
-
-}  // namespace syncer
-
-#endif  // SYNC_ENGINE_VERIFY_UPDATES_COMMAND_H_