Bug 129169 Allow toggle method breakpoint in call hierarchy view
R32M5 since the results from using the call hierarchy view are methods, it would make sense that I would be able to toggle breakpoints on the methods.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/callhierarchy/CallHierarchyViewPart.java
*/
    public void gotoHistoryEntry(IMethod entry) {
        if (fMethodHistory.contains(entry)) {
            setMethod(entry);
        }
    }
    /* (non-Javadoc)
     * Method declared on IViewPart.
     */
    public void init(IViewSite site, IMemento memento)
        throws PartInitException {
        super.init(site, memento);
        fMemento = memento;
    }
    /**
     *
     */
    public void refresh() {
        setCalleeRoot(null);
        setCallerRoot(null);
        updateView();
    }
    public void saveState(IMemento memento) {
        if (fPagebook == null) {
            
            if (fMemento != null) { 
                memento.putMemento(fMemento);
            }
            return;
        }