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

chrome/browser/sync/glue/extension_sync.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_SYNC_H_
-#define CHROME_BROWSER_SYNC_GLUE_EXTENSION_SYNC_H_
-#pragma once
-
-// This file contains functions necessary for syncing
-// extensions-related data types.
-
-#include <map>
-#include <string>
-
-class Extension;
-class ExtensionServiceInterface;
-struct ExtensionSyncData;
-
-namespace sync_api {
-struct UserShare;
-}  // namespace sync_api
-
-namespace sync_pb {
-class ExtensionSpecifics;
-}  // namespace sync_pb
-
-namespace browser_sync {
-
-struct ExtensionSyncTraits;
-
-// A map from extension IDs to ExtensionSyncData objects.
-typedef std::map<std::string, ExtensionSyncData> ExtensionDataMap;
-
-// Fills in |has_children| with whether or not the root node with the
-// given tag has child nodes.  Returns true iff the lookup succeeded.
-//
-// TODO(akalin): Move this somewhere where it can be used by
-// other data types.
-bool RootNodeHasChildren(const char* tag,
-                         sync_api::UserShare* user_share,
-                         bool* has_children);
-
-// Fills |extension_data_map| with both client-side information about
-// installed extensions and the server-side information about
-// extensions to be synced.  Returns true iff this was successful; if
-// unsuccessful, the contents of |extension_data_map| are undefined.
-bool SlurpExtensionData(const ExtensionSyncTraits& traits,
-                        const ExtensionServiceInterface& extension_service,
-                        sync_api::UserShare* user_share,
-                        ExtensionDataMap* extension_data_map);
-
-// Updates the server and client as necessary from
-// |extension_data_map|.  Returns true iff this was successful.
-//
-// NOTE(akalin): Keep in mind that updating the client is an
-// asynchronous process; the only thing that's guaranteed if this
-// function is returned is that the updates were successfully started.
-bool FlushExtensionData(const ExtensionSyncTraits& traits,
-                        const ExtensionDataMap& extension_data_map,
-                        ExtensionServiceInterface* extension_service,
-                        sync_api::UserShare* user_share);
-
-// Updates the server data for the given extension.  Returns true iff
-// this was successful; if unsuccessful, an error string is put into
-// |error|.
-//
-// TODO(akalin): Remove dependence on Extension once we have the
-// ExtensionService push changes onto us.
-bool UpdateServerData(const ExtensionSyncTraits& traits,
-                      const Extension& extension,
-                      const ExtensionServiceInterface& extension_service,
-                      sync_api::UserShare* user_share,
-                      std::string* error);
-
-// Removes the server data for the given extension ID.
-void RemoveServerData(const ExtensionSyncTraits& traits,
-                      const std::string& id,
-                      sync_api::UserShare* user_share);
-
-}  // namespace browser_sync
-
-#endif  // CHROME_BROWSER_SYNC_GLUE_EXTENSION_SYNC_H_