Add the tree view notification functions. These are needed by any custom TreeModel implementation that allows changes in the model. They are to tell any watcing views of changes in the model so the views can update themselves appropriately.
Add the tree view notification functions.
These are needed by any custom TreeModel implementation that allows changes in
the model. They are to tell any watcing views of changes in the model so the
views can update themselves appropriately.

vincenthz/webkit