enthought/pyface — pull request #90 by pankajp (2013-07-26 11:47:25+00:00)
Title: ToolBar: Listen to Action name changes for toolbar actions.

Checkable actions especially change their name in response to
checked state change, toolbar buttons now honor the change in
the action's name and change the button text accordingly.

Code is replica of existing code for menu item in same file.