sync: move SharedChangeProcessor to components/

chrome/browser/sync/glue/shared_change_processor_ref.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 CHROME_BROWSER_SYNC_GLUE_SHARED_CHANGE_PROCESSOR_REF_H_
-#define CHROME_BROWSER_SYNC_GLUE_SHARED_CHANGE_PROCESSOR_REF_H_
-
-#include "base/compiler_specific.h"
-#include "base/memory/ref_counted.h"
-#include "chrome/browser/sync/glue/shared_change_processor.h"
-#include "sync/api/sync_change_processor.h"
-#include "sync/api/sync_error_factory.h"
-
-namespace browser_sync {
-
-// A syncer::SyncChangeProcessor stub for interacting with a refcounted
-// SharedChangeProcessor.
-class SharedChangeProcessorRef : public syncer::SyncChangeProcessor,
-                                 public syncer::SyncErrorFactory {
- public:
-  SharedChangeProcessorRef(
-      const scoped_refptr<browser_sync::SharedChangeProcessor>&
-          change_processor);
-  virtual ~SharedChangeProcessorRef();
-
-  // syncer::SyncChangeProcessor implementation.
-  virtual syncer::SyncError ProcessSyncChanges(
-      const tracked_objects::Location& from_here,
-      const syncer::SyncChangeList& change_list) OVERRIDE;
-  virtual syncer::SyncDataList GetAllSyncData(
-      syncer::ModelType type) const OVERRIDE;
-  virtual syncer::SyncError UpdateDataTypeContext(
-      syncer::ModelType type,
-      syncer::SyncChangeProcessor::ContextRefreshStatus refresh_status,
-      const std::string& context) OVERRIDE;
-
-  // syncer::SyncErrorFactory implementation.
-  virtual syncer::SyncError CreateAndUploadError(
-      const tracked_objects::Location& from_here,
-      const std::string& message) OVERRIDE;
-
-  // Default copy and assign welcome (and safe due to refcounted-ness).
-
- private:
-  scoped_refptr<browser_sync::SharedChangeProcessor> change_processor_;
-};
-
-}  // namespace browser_sync
-
-#endif  // CHROME_BROWSER_SYNC_GLUE_SHARED_CHANGE_PROCESSOR_REF_H_