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

chrome/browser/sync/glue/bookmark_change_processor.h

Index: chrome/browser/sync/glue/bookmark_change_processor.h
diff --git a/chrome/browser/sync/glue/bookmark_change_processor.h b/chrome/browser/sync/glue/bookmark_change_processor.h
index ffa3aedc3845efdf32d49097c527ded31f0f4d42..1b08076a2c0fd01654ec6c5791b552884c1fe5a9 100644
--- a/chrome/browser/sync/glue/bookmark_change_processor.h
+++ b/chrome/browser/sync/glue/bookmark_change_processor.h
@@ -166,6 +166,12 @@ class BookmarkChangeProcessor : public BookmarkModelObserver,
   // Remove all the sync nodes associated with |node| and its children.
   void RemoveSyncNodeHierarchy(const BookmarkNode* node);
 
+  // Update transaction version of |model| and |nodes| to |new_version| if
+  // sync model gets a new version.
+  void UpdateTransactionVersion(int64 new_version,
+                                BookmarkModel* model,
+                                const std::vector<const BookmarkNode*>& nodes);
+
   // The bookmark model we are processing changes from.  Non-NULL when
   // |running_| is true.
   BookmarkModel* bookmark_model_;