Apps/Extensions Sync refactoring -- delete most of the old glue, implement new sync API.

chrome/browser/sync/glue/extension_model_associator.h

-// Copyright (c) 2011 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_EXTENSION_MODEL_ASSOCIATOR_H_
-#define CHROME_BROWSER_SYNC_GLUE_EXTENSION_MODEL_ASSOCIATOR_H_
-#pragma once
-
-#include "base/basictypes.h"
-#include "chrome/browser/sync/api/sync_error.h"
-#include "chrome/browser/sync/glue/extension_sync_traits.h"
-#include "chrome/browser/sync/glue/model_associator.h"
-#include "chrome/browser/sync/syncable/model_type.h"
-
-class ExtensionServiceInterface;
-
-namespace sync_api {
-struct UserShare;
-}  // namespace sync_api
-
-namespace browser_sync {
-
-// Contains all logic for associating the Chrome extensions model and
-// the sync extensions model.
-class ExtensionModelAssociator : public AssociatorInterface {
- public:
-  // Does not take ownership of |extension_service| or |user_share|.
-  ExtensionModelAssociator(ExtensionServiceInterface* extension_service,
-                           sync_api::UserShare* user_share);
-  virtual ~ExtensionModelAssociator();
-
-  // Used by profile_sync_test_util.h.
-  static syncable::ModelType model_type() { return syncable::EXTENSIONS; }
-
-  // AssociatorInterface implementation.
-  virtual bool AssociateModels(SyncError* error);
-  virtual bool DisassociateModels(SyncError* error);
-  virtual bool SyncModelHasUserCreatedNodes(bool* has_nodes);
-  virtual void AbortAssociation();
-  virtual bool CryptoReadyIfNecessary();
- private:
-  const ExtensionSyncTraits traits_;
-  ExtensionServiceInterface* const extension_service_;
-  sync_api::UserShare* const user_share_;
-
-  DISALLOW_COPY_AND_ASSIGN(ExtensionModelAssociator);
-};
-
-}  // namespace browser_sync
-
-#endif  // CHROME_BROWSER_SYNC_GLUE_EXTENSION_MODEL_ASSOCIATOR_H_