WIP: The Bookmark Position Megapatch

sync/internal_api/sync_manager_impl.h

Index: sync/internal_api/sync_manager_impl.h
diff --git a/sync/internal_api/sync_manager_impl.h b/sync/internal_api/sync_manager_impl.h
index d36ca2e130b75b687a43151de14ac21a3d1764c3..b51e609995e3c3e01a5009aea265dc5e85ec9517 100644
--- a/sync/internal_api/sync_manager_impl.h
+++ b/sync/internal_api/sync_manager_impl.h
@@ -215,15 +215,6 @@ class SyncManagerImpl :
   typedef base::Callback<JsArgList(const JsArgList&)> JsMessageHandler;
   typedef std::map<std::string, JsMessageHandler> JsMessageHandlerMap;
 
-  // Determine if the parents or predecessors differ between the old and new
-  // versions of an entry stored in |a| and |b|.  Note that a node's index may
-  // change without its NEXT_ID changing if the node at NEXT_ID also moved (but
-  // the relative order is unchanged).  To handle such cases, we rely on the
-  // caller to treat a position update on any sibling as updating the positions
-  // of all siblings.
-  bool VisiblePositionsDiffer(
-      const syncable::EntryKernelMutation& mutation) const;
-
   // Determine if any of the fields made visible to clients of the Sync API
   // differ between the versions of an entry stored in |a| and |b|. A return
   // value of false means that it should be OK to ignore this change.