Bug 60714 Call Hierarchy: display search scope in view title
Call Hierarchy should display the current search scope in the view title, like the Search View does. E.g.: Members calling 'updateView()' - in Workspace Calls from 'updateView()' - in Working Set: my projects
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/callhierarchy/CallHierarchyViewPart.java
private CallHierarchyFiltersActionGroup fFiltersActionGroup;
    private HistoryDropDownAction fHistoryDropDownAction;
    private RefreshAction fRefreshAction;
    private OpenLocationAction fOpenLocationAction;
    private FocusOnSelectionAction fFocusOnSelectionAction;
    private CopyCallHierarchyAction fCopyAction;
    private CancelSearchAction fCancelSearchAction;
    private CompositeActionGroup fActionGroups;
    private CallHierarchyViewer fCallHierarchyViewer;
    private boolean fShowCallDetails;
	protected Composite fParent;
    public CallHierarchyViewPart() {
        super();
        fDialogSettings = JavaPlugin.getDefault().getDialogSettings();
        fMethodHistory = new ArrayList();
    }
    public void setFocus() {
        fPagebook.setFocus();
    }
    /**
     * Sets the history entries
     */
    public void setHistoryEntries(IMethod[] elems) {
        fMethodHistory.clear();
        for (int i = 0; i < elems.length; i++) {
            fMethodHistory.add(elems[i]);
        }
        updateHistoryEntries();
    }
    /**