Bug 137898 [Contributions] Icon tool tips should also show key bindings in Debug view
The tool tips for icons in the tool bar should also display the key bindings of the actions. E.g. the tooltip [Step Into] should be [Step Into (F5)] cf. Preferences -> Keys(Experimental) : there is the icon and the binding
bundles/org.eclipse.jface/src/org/eclipse/jface/action/ExternalActionManager.java
* @param activeChecker
		 *            The callback mechanism for checking whether a command is
		 *            active; must not be <code>null</code>.
		 * 
		 * @since 3.1
		 */
		public CommandCallback(final BindingManager bindingManager,
				final CommandManager commandManager,
				final IActiveChecker activeChecker) {
			if (bindingManager == null) {
				throw new NullPointerException(
						"The callback needs a binding manager"); 
			}
			if (commandManager == null) {
				throw new NullPointerException(
						"The callback needs a command manager"); 
			}
			if (activeChecker == null) {
				throw new NullPointerException(
						"The callback needs an active callback"); 
			}
			this.activeChecker = activeChecker;
			this.bindingManager = bindingManager;
			this.commandManager = commandManager;
		}
		/**
		 * @see org.eclipse.jface.action.ExternalActionManager.ICallback#addPropertyChangeListener(String,
		 *      IPropertyChangeListener)
		 */
		public final void addPropertyChangeListener(final String commandId,