Support for multiple sync ModelSafeWorkers....

chrome/browser/sync/engine/syncer_util.h

 // Copyright (c) 2006-2008 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.
 //
 // Utility functions manipulating syncable::Entries, intended for use by the
 // syncer.
 
 #ifndef CHROME_BROWSER_SYNC_ENGINE_SYNCER_UTIL_H_
 #define CHROME_BROWSER_SYNC_ENGINE_SYNCER_UTIL_H_
 
@@ skipping 128 matching lines @@
 
   static void MarkDeletedChildrenSynced(
       const syncable::ScopedDirLookup &dir,
       std::set<syncable::Id>* deleted_folders);
 
   // Examine the up-to-date predecessors of this item according to the server
   // position, and then again according to the local position.  Return true
   // if they match.  For an up-to-date item, this should be the case.
   static bool ServerAndLocalOrdersMatch(syncable::Entry* entry);
 
-  static browser_sync::SyncDataType GetSyncDataType(const SyncEntity& entry);
+  static syncable::ModelType GetModelType(const SyncEntity& entry);
 
  private:
-  // Private ctor/dtor since this class shouldn't be instantiated.
-  SyncerUtil() {}
-  virtual ~SyncerUtil() {}
-  DISALLOW_COPY_AND_ASSIGN(SyncerUtil);
+  DISALLOW_IMPLICIT_CONSTRUCTORS(SyncerUtil);
 };
 
 #ifndef OS_WIN
 
 // time.h on Linux and Mac both return seconds since the epoch, this should
 // be converted to milliseconds.
 inline int64 ServerTimeToClientTime(int64 server_time) {
   return server_time / GG_LONGLONG(1000);
 }
 
@@ skipping 22 matching lines @@
 
 inline bool ClientAndServerTimeMatch(int64 client_time, int64 server_time) {
   // Compare at the coarser timescale (server)
   return ClientTimeToServerTime(client_time) == server_time;
 }
 #endif
 
 }  // namespace browser_sync
 
 #endif  // CHROME_BROWSER_SYNC_ENGINE_SYNCER_UTIL_H_