Bug 155650 [Preferences] Accessibility: Tab can't access to the "Forward to..." Split button on Preferences window
Steps to reproduce bug: 1.Launch Eclipse 3.2. 2.Goto Preferences window. 3.Select 'Java' (or anyother) on the left pane. 4.Then select 'Help' (or anyother) on the left pane. 5.Click the right-top split button 'Back to Java'. 6.Use Tab Key to access to navigate the control. DEFECT: Notice that you cannot navigate to the navigation-split button.
bundles/org.eclipse.jface/src/org/eclipse/jface/action/ToolBarManager.java
return menuWidget;
		}
		return null;
	}
	/**
	 * Returns the context menu manager for this tool bar manager.
	 * 
	 * @return the context menu manager, or <code>null</code> if none
	 * @since 3.0
	 */
	public MenuManager getContextMenuManager() {
		return contextMenuManager;
	}
	/**
	 * Sets the context menu manager for this tool bar manager to the given menu
	 * manager. If the tool bar control exists, it also adds the menu control to
	 * the tool bar.
	 * 
	 * @param contextMenuManager
	 *            the context menu manager, or <code>null</code> if none
	 * @since 3.0
	 */
	public void setContextMenuManager(MenuManager contextMenuManager) {
		this.contextMenuManager = contextMenuManager;
		if (toolBar != null) {
			toolBar.setMenu(getContextMenuControl());
		}
	}
}