Populate versions on individual nodes in sync model and native bookmark model.

sync/syncable/entry_kernel.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_SYNCABLE_ENTRY_KERNEL_H_
 #define SYNC_SYNCABLE_ENTRY_KERNEL_H_
 
 #include "base/time.h"
 #include "base/values.h"
 #include "sync/internal_api/public/base/model_type.h"
@@ skipping 32 matching lines @@
 enum BaseVersion {
   // After initial upload, the version is controlled by the server, and is
   // increased whenever the data or metadata changes on the server.
   BASE_VERSION = META_HANDLE + 1,
 };
 
 enum Int64Field {
   SERVER_VERSION = BASE_VERSION + 1,
   LOCAL_EXTERNAL_ID,  // ID of an item in the external local storage that this
                       // entry is associated with. (such as bookmarks.js)
+  TRANSACTION_VERSION,
   INT64_FIELDS_END
 };
 
 enum {
   INT64_FIELDS_COUNT = INT64_FIELDS_END - INT64_FIELDS_BEGIN,
   TIME_FIELDS_BEGIN = INT64_FIELDS_END,
 };
 
 enum TimeField {
   MTIME = TIME_FIELDS_BEGIN,
@@ skipping 265 matching lines @@
     const EntryKernelMutation& mutation);
 
 // Caller owns the return value.
 base::ListValue* EntryKernelMutationMapToValue(
     const EntryKernelMutationMap& mutations);
 
 }  // namespace syncable
 }  // namespace syncer
 
 #endif // SYNC_SYNCABLE_ENTRY_KERNEL_H_